Principles Of Human Anatomy 13th by Gerard J. Tortora -Test Bank

Principles Of Human Anatomy 13th by Gerard J. Tortora -Test Bank   Instant Download - Complete Test Bank With Answers     Sample Questions Are Posted Below   Package Title: Testbank Course Title: pha13 Chapter Number: 05     Question type: Multiple Choice     1) The integument consists of which of the following?   …

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Principles Of Human Anatomy 13th by Gerard J. Tortora -Test Bank

 

Instant Download – Complete Test Bank With Answers

 

 

Sample Questions Are Posted Below

 

Package Title: Testbank

Course Title: pha13

Chapter Number: 05

 

 

Question type: Multiple Choice

 

 

1) The integument consists of which of the following?

 

  1. a) skin and subcutaneous layer
  2. b) epidermis and dermis
  3. c) cutaneous membrane and underlying muscle
  4. d) papillary and reticular regions

 

Answer: a

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

2) The greatest amount of keratin is found where?

 

  1. a) stratum basale
  2. b) stratum spinosum
  3. c) stratum corneum
  4. d) reticular region of the dermis

 

Answer: c

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

3) Together, the skin, hair, nails, glands, and associated muscles and nerves are an example of a/an:

 

  1. a) tissue
  2. b) organ
  3. c) system
  4. d) organism

 

Answer: c

 

Difficulty: Easy

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

 

 

4) Calluses form in areas that

 

  1. a) have excessive blood flow
  2. b) have insufficient nerve supply
  3. c) are subject to friction
  4. d) undergo slowed rate of mitosis

 

Answer: c

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

5) Which of the following is found in the stratum basale?

 

  1. a) cuboidal or columnar shaped cells
  2. b) keratinocytes
  3. c) melanocytes
  4. d) all of these choices

 

Answer: d

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

6) Cells in the deepest layer of the epidermis divide to produce all other epidermal cells. From deepest to most superficial, the cells pass through the layers in what order?
1. stratum spinosum
2. stratum basale
3. stratum corneum
4. stratum lucidum (only in thick skin)
5. stratum granulosum

 

  1. a) 1, 2, 3, 4, 5
  2. b) 2, 3, 1, 5, 4
  3. c) 3, 2, 4, 1, 5
  4. d) 2, 1, 5, 4, 3

 

Answer: d

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

7) As keratinocytes move to the surface

 

  1. a) they become multinucleate
  2. b) they divide to produce new skin cells
  3. c) they eventually die and are sloughed off
  4. d) all of these choices

 

Answer: c

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

8) Tattoos are created by injecting ink with a needle into the _____.

 

  1. a) stratum basale
  2. b) dermis
  3. c) subcutaneous layer
  4. d) stratum corneum

 

Answer: b

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.2 Compare the composition of the papillary and reticular regions of the dermis.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

9) The ability of skin to stretch and recoil is due to the presence of _____ in the _____.

 

  1. a) elastic fibers, epidermis
  2. b) adipose tissue, dermis
  3. c) elastic fibers, dermis
  4. d) basement membrane, hypodermis

 

Answer: c

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.2 Compare the composition of the papillary and reticular regions of the dermis.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

10) Which of the following statements about skin color is false?

 

  1. a) Three pigments that are responsible for skin color are hemoglobin, carotene, and melanin.
  2. b) UV exposure leads to increased production of melanin.
  3. c) Melanin is produced in the organelles of epithelial cells and then migrates to the hypodermis.
  4. d) Carotene contributes a yellow-orange hue to the skin.

 

Answer: c

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.3 Explain the anatomical basis of differences in skin color.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

11) Functions of the skin include:

 

  1. a) excretion of some wastes
  2. b) acting as a blood reservoir
  3. c) acting in immunity
  4. d) all of these choices

 

Answer: d

 

Difficulty: Medium

Study Objective 1: SO 5.4 Describe how the skin contributes to the regulation of body temperature, storage of blood, protection, sensation, excretion and absorption, and synthesis of vitamin D.

Section Reference 1: Sec 5.4 Functions of the Skin

 

 

12) Which of the following is not considered an epidermal derivative?

 

  1. a) sebaceous glands
  2. b) lamellated corpuscles
  3. c) sudoriferous glands
  4. d) hair

 

Answer: b

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

13) The narrow strip of epidermis found on the surface of the proximal border of a nail is called _____.

 

  1. a) eponychium (cuticle)
  2. b) free edge
  3. c) lunula
  4. d) hyponychium

 

Answer: a

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

 

 

14) Which of the following is characteristic of the growth of a scalp hair?

 

  1. a) continuous steady growth until the hair is shed and replaced by a new hair
  2. b) alternating growth phases and resting phases throughout the life of the hair
  3. c) a resting phase followed by a growth phase, which lasts until the hair is shed and replaced by a new hair
  4. d) a growth phase followed by a resting phase, which lasts until the hair is shed and replaced by a new hair

 

Answer: d

 

Difficulty: Hard

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

 

 

15) Melanocytes synthesize melanin from which amino acid?

 

  1. a) tryptophan
  2. b) tyrosine
  3. c) tropomyosin
  4. d) thyroxine

 

Answer: b

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.3 Explain the anatomical basis of differences in skin color.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

16) Which of the following statements is true?

 

  1. a) Melanoma is the most common form of skin cancer.
  2. b) Squamous cell carcinoma is the most likely form of skin cancer to metastasize.
  3. c) Basal cell carcinoma rarely metastasizes.
  4. d) Skin color and family history are not risk factors for skin cancer.

 

Answer: c

 

Difficulty: Hard

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.3 Explain the anatomical basis of differences in skin color.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

17) Orientation of which dermal fibers is responsible for “lines of cleavage” (tension lines) seen in the skin?

 

  1. a) reticular
  2. b) collagen
  3. c) elastic
  4. d) none of these choices

 

Answer: b

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.2 Compare the composition of the papillary and reticular regions of the dermis.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

18) Which of the following contributes to the increased incidence of heat stroke in the elderly?

 

  1. a) decreased circulation
  2. b) decreased sudoriferous gland activity
  3. c) decreased number of melanocytes
  4. d) increased number of intraepidermal macrophages (Langerhans cells)

 

Answer: b

 

Difficulty: Medium

Study Objective 1: SO 5.7 Describe the effects of aging on the integumentary system.

Section Reference 1: Sec 5.7 Aging and the Integumentary System

 

 

19) What word does the letter “B” stand for in the American Cancer Society’s ABCD guidelines for detecting malignant melanoma?

 

  1. a) big (greater than 6mm)
  2. b) brown/black pigmentation
  3. c) border is irregular
  4. d) blister

 

Answer: c

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.3 Explain the anatomical basis of differences in skin color.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

20) Contraction of the _____ cause(s) “goose bumps.”

 

  1. a) hair follicle
  2. b) underlying skeletal muscle
  3. c) arrector pili muscle
  4. d) capillary loops in the papillary region of the dermis

 

Answer: c

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

 

 

21) Thick skin, containing all five layers of the epidermis, is found in areas of all of the following except _____.

 

  1. a) palms
  2. b) soles
  3. c) fingertips
  4. d) upper back

 

Answer: d

 

Difficulty: Medium

Study Objective 1: SO 5.3 Compare structural and functional differences in thin and thick skin.

Section Reference 1: Sec 5.3 Types of Skin

 

 

22) The _____ gives rise to the epidermis.

 

  1. a) mesenchyme
  2. b) ectoderm
  3. c) mesoderm
  4. d) endoderm

 

Answer: b

 

Difficulty: Medium

Study Objective 1: SO 5.6 Describe the development of the epidermis, its accessory structures, and the dermis.

Section Reference 1: Sec 5.6 Development of the Integumentary System

 

 

23) What is the correct order for the development of the dermis?

 

  1. a) mesoderm; mesenchyme; fibroblasts
  2. b) endoderm; mesenchyme; keratinocytes
  3. c) ectoderm; fibroblasts; melanocytes
  4. d) mesoderm; collagen; mesenchyme

 

Answer: a

 

Difficulty: Medium

Study Objective 1: SO 5.6 Describe the development of the epidermis, its accessory structures, and the dermis.

Section Reference 1: Sec 5.6 Development of the Integumentary System

 

 

24) Which of the following terms best describes a bluish skin color most likely resulting from an inadequate amount of oxygen circulating in the blood?

 

  1. a) erythema
  2. b) cyanosis
  3. c) albinism
  4. d) hirsutism

 

Answer: b

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.3 Explain the anatomical basis of differences in skin color.

Section Reference 1: Sec 5.1 Structure of the skin

 

 

25) Following a burn, charring and insensitivity to pain was found over the entire surface of the right lower limb, entire surface of right trunk and anterior surface of the right upper limb. Approximately what percent of the body surface had burns and how would you classify the burn?

 

  1. a) 18%; second degree
  2. b) 27%, third degree
  3. c) 32%, partial thickness
  4. d) 40%, third degree

 

Answer: d

 

Difficulty: Hard

Study Objective 1: SO 5.5 Describe the blood supply of the integumentary system.

Section Reference 1: Sec 5.5 Blood Supply of the Integumentary System

 

 

Question type: True/False

 

 

26) The papillae of hair fill with ectoderm in which blood vessels develop.

 

Answer: False

 

Difficulty: Medium

Study Objective 1: SO 5.6 Describe the development of the epidermis, its accessory structures, and the dermis.

Section Reference 1: Sec 5.6 Development of the Integumentary System

 

 

27) The two principal layers of skin are the epidermis and the subcutaneous layer.

 

Answer: False

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.2 Compare the composition of the papillary and reticular regions of the dermis.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

28) Differences in skin color are mainly due to the number of melanocytes in the epidermis.

 

Answer: False

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.3 Explain the anatomical basis of differences in skin color.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

29) The cutaneous plexus is located in the epidermis and supplies cells of the epidermis and upper dermis with blood.

 

Answer: False

 

Difficulty: Medium

Study Objective 1: SO 5.5 Describe the blood supply of the integumentary system.

Section Reference 1: Sec 5.5 Blood Supply of the Integumentary System

 

 

30) One of the factors responsible for skin color differences among races is the amount of melanin the keratinocytes produce and transfer to melanocytes.

 

Answer: False

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.3 Explain the anatomical basis of differences in skin color.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

31) Albinism is caused by a total lack of melanocytes.

 

Answer: False

 

Difficulty: Hard

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.3 Explain the anatomical basis of differences in skin color.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

32) Cells in the three most superficial layers of the epidermis receive a large supply of blood from blood vessels in the dermis.

 

Answer: False

 

Difficulty: Medium

Study Objective 1: SO 5.5 Describe the blood supply of the integumentary system.

Section Reference 1: Sec 5.5 Blood Supply of the Integumentary System

 

 

33) The skin is supplied with blood by two arterial plexuses called the papillary plexus and the cutaneous plexus.

 

Answer: True

 

Difficulty: Hard

Study Objective 1: SO 5.5 Describe the blood supply of the integumentary system.

Section Reference 1: Sec 5.5 Blood Supply of the Integumentary System

 

 

34) The deepest layer of the skin is called the hypodermis.

 

Answer: False

 

Difficulty: Hard

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.2 Compare the composition of the papillary and reticular regions of the dermis.

Section Reference 1: Sec 5.1 Structure of the skin

 

 

35) A callus is a thickening of the dermis caused by excessive friction.

 

Answer: False

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

 

 

36) Three major types of skin are recognized on the basis of certain structural and functional properties: thin skin, intermediate skin, and thick skin.

 

Answer: False

 

Difficulty: Medium

Study Objective 1: SO 5.3 Compare structural and functional differences in thin and thick skin.

Section Reference 1: Sec 5.3 Types of Skin

 

 

37) Acne is an inflammation of sebaceous glands.

 

Answer: True

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

 

 

38) Fingernails consist of hardened glandular secretions from the tissue of the nail root.

 

Answer: False

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

 

 

39) The lunula of a nail appears whiter than the rest of the nail due to the structure of the stratum basale.

 

Answer: True

 

Difficulty: Hard

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of The Skin

 

 

40) Thin skin has fewer epidermal ridges, sudoriferous glands, and sensory receptors than thick skin.

 

Answer: True

 

Difficulty: Medium

Study Objective 1: SO 5.3 Compare structural and functional differences in thin and thick skin.

Section Reference 1: Sec 5.3 Types of Skin

 

 

41) Vitamin D synthesis begins in the skin as a result of UV radiation altering a precursor molecule.

 

Answer: True

 

Difficulty: Medium

Study Objective 1: SO 5.4 Describe how the skin contributes to the regulation of body temperature, storage of blood, protection, sensation, excretion and absorption, and synthesis of vitamin D.

Section Reference 1: Sec 5.4 Functions of the Skin

 

 

42) Vernix caseosa is secreted by sebaceous glands to protect the fetus from amniotic fluid.

 

Answer: True

 

Difficulty: Medium

Study Objective 1: SO 5.6 Describe the development of the epidermis, its accessory structures, and the dermis.

Section Reference 1: Sec 5.6 Development of the Integumentary System

 

 

43) Development of blisters following exposure of skin to heat is indicative of a first-degree burn.

 

Answer: False

 

Difficulty: Medium

Study Objective 1: SO 5.5 Describe the blood supply of the integumentary system.

Section Reference 1: Sec 5.5 Blood Supply of the Integumentary System

 

 

44) Most of the age-related changes associated with the integumentary system occur in the epidermis.

 

Answer: False

 

Difficulty: Medium

Study Objective 1: SO 5.7 Describe the effects of aging on the integumentary system.

Section Reference 1: Sec 5.7 Aging and the Integumentary System

 

 

Question type: Essay

 

 

45) Describe the layers of the epidermis and discuss growth of the epidermis. Include a description of the different cell types. Accompany your answer with a labeled diagram.

 

Answer:

 

Difficulty: Hard

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: The answer should include the names of the layers and a description of the cells in each layer. See Table 5.1 and Figure 5.3.

 

 

46) Describe the tissues and structures of the two regions (layers) of the dermis.

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: Papillary region—upper 1/5; areolar tissue with elastic fibers, dermal papillae, blood vessels, corpuscles of touch. Reticular region—lower 4/5; network of dense irregular connective tissue, elastic and collagen fibers, adipose tissue, glands, hair follicles, blood vessels, temperature and other receptors.

 

 

47) Describe the changes that occur in skin with age.

 

Answer:

 

Difficulty: Hard

Study Objective 1: SO 5.7 Describe the effects of aging on the integumentary system.

Section Reference 1: Sec 5.7 Aging and the Integumentary System

Solution: Aging produces changes in characteristics of elastic and collagen fibers; decreased melanocytes, fibroblasts, and intraepidermal macrophages (Langerhans cells); diminished function of glands; loss of subcutaneous fat; thinning of dermis; decreased rate of replacement of epidermal cells.

 

 

48) Describe the damage of first, second, and third degree burns.

 

Answer:

 

Difficulty: Hard

Study Objective 1: SO 5.5 Describe the blood supply of the integumentary system.

Section Reference 1: Sec 5.5 Blood Supply of the Integumentary System

Solution: A first-degree burn involves only the superficial layers of the epidermis. Second-degree burns destroy the entire epidermis and may include part of the dermis. A third-degree burn is a full-thickness burn that destroys epidermis, dermis, and accessory structures of the skin.

 

 

49) Discuss the three common forms of skin cancer.

 

Answer:

 

Difficulty: Hard

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: Basal cell carcinoma, squamous cell carcinoma, malignant melanoma; see clinical connection to skin cancer

 

 

50) Explain how wrinkles result as a normal consequence of aging.

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.7 Describe the effects of aging on the integumentary system.

Section Reference 1: Sec 5.7 Aging and the Integumentary System

Solution: Collagen fibers in the dermis begin to decrease in number, stiffen, break apart, and disorganize into a shapeless, matted tangle. Elastic fibers lose some of their elasticity, thicken into clumps, and fray, an effect that is greatly accelerated in the skin of smokers. Fibroblasts, which produce both collagen and elastic fibers, decrease in number.

 

 

Question type: Text entry

 

 

51) The layer of the epidermis containing the most layers of cells is the stratum _____.

 

Answer: corneum

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: corneum

 

 

52) Surface patterns that develop on the skin of the hands and feet are due to the presence of dermal papillae and are called _____ ridges.

 

Answer: epidermal

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.2 Compare the composition of the papillary and reticular regions of the dermis.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: epidermal

 

 

53) Lipids released by _____ granules of keratinocytes are responsible for reducing the passage of water through the skin.

 

Answer: lamellar

 

Difficulty: Medium

Study Objective 1: SO 5.4 Describe how the skin contributes to the regulation of body temperature, storage of blood, protection, sensation, excretion and absorption, and synthesis of vitamin D.

Section Reference 1: Sec 5.4 Functions of the Skin

Solution: lamellar

 

 

54) Keratohyalin granules are characteristic of the stratum _____ layer of the epidermis.

 

Answer: granulosum

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: granulosum

 

 

55) “Goose bumps” on the skin are due to contraction of smooth muscles called _____, which are associated with hair follicles.

 

Answer: arrector pili

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

Solution: arrector pili

 

 

56) The _____ of the hair is the portion that projects from the surface of the skin.

 

Answer: shaft

 

Difficulty: Easy

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

Solution: shaft

 

 

57) The concentric layers of a hair from external to internal are _____, _____, and _____.

 

Answer: cuticle, cortex, medulla

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

Solution: cuticle, cortex, medulla

 

 

58) Thin skin lacks the stratum _____ layer of the epidermis.

 

Answer: lucidum

 

Difficulty: Easy

Study Objective 1: SO 5.3 Compare structural and functional differences in thin and thick skin.

Section Reference 1: Sec 5.3 Types of Skin

Solution: lucidum

 

 

59) Epithelial cells from the _____ give rise to the sebaceous glands during fetal development.

 

Answer: hair follicles

 

Difficulty: Medium

Study Objective 1: SO 5.6 Describe the development of the epidermis, its accessory structures, and the dermis.

Section Reference 1: Sec 5.6 Development of the Integumentary System

Solution: hair follicles

 

 

60) In the fifth or sixth month of fetal development, hair follicles produce delicate fetal hair called _____, which is usually shed prior to birth.

 

Answer: lanugo

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

Solution: lanugo

 

 

61) A mild sunburn is an example of a _____ burn and involves only the _____ layer of the skin.

 

Answer: first-degree, epidermal

 

Difficulty: Medium

Study Objective 1: SO 5.5 Describe the blood supply of the integumentary system.

Section Reference 1: Sec 5.5 Blood Supply of the Integumentary System

Solution: first-degree, epidermal

 

 

62) ______ is due to a buildup of the yellow pigment bilirubin in the skin. This condition gives a yellowish appearance to the skin and the whites of the eyes, and usually indicates liver disease.

 

Answer: Jaundice

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.3 Explain the anatomical basis of differences in skin color.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: Jaundice

 

 

63) In regards to thermoregulatory sweating, sweat that evaporates from the skin before it is perceived as moisture is termed _____ perspiration; whereas sweat that is excreted in larger amounts and is seen as moisture on the skin is called _____ perspiration.

 

Answer: insensible; sensible

 

Difficulty: Hard

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

Solution: insensible; sensible

 

 

Question type: Essay

 

 

64) Name the structure indicated by A.

 

Answer:

 

Difficulty: Easy

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

Solution: sebaceous gland

 

 

65) Give two different names for the layer indicated by C.

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.3 Explain the anatomical basis of differences in skin color.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: hypodermis and subcutaneous (subQ) layer

 

 

66) Identify the specific structure indicated by B.

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

Solution: arrector pili muscle

 

 

67) Name the specialized receptor indicated by D.

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: lamellated corpuscle (pacinian corpuscle)

 

 

68) Identify the specific layer in which cells begin dying.

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: F (stratum granulosum)

 

 

69) Identify the type of cell that has an immune function.

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: C (intraepidermal macrophage [Langerhans cell])

 

 

70) Identify the cell type that produces melanin.

 

Answer:

 

Difficulty: Easy

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: B (melanocyte)

 

 

71) Identify the layer sometimes referred to as stratum germinativum because of its role in forming new cells.

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.1 Describe the layers of the epidermis and the cells that compose them.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: D (stratum basale)

 

 

72) Identify the deepest layer of the skin.

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.1 Describe the general structure of skin.

Study Objective 2: SO 5.1.2 Compare the composition of the papillary and reticular regions of the dermis.

Section Reference 1: Sec 5.1 Structure of the Skin

Solution: G (dermis)

 

 

73) C is pointing to what structure?

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

Solution: external root sheath

 

 

74) A is pointing to what structure?

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

Solution: internal root sheath

 

 

75) B is pointing to what structure?

 

Answer:

 

Difficulty: Medium

Study Objective 1: SO 5.2 Compare the structure, distribution, and functions of hair, skin glands, and nails.

Section Reference 1: Sec 5.2 Accessory Structures of the Skin

Solution: cuticle of the hair

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