CHAPTER 30: INTEGUMENTARY ALTERATIONS

CHAPTER 30: INTEGUMENTARY ALTERATIONS

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

1. In addition to protecting people from the harmful effects of ultraviolet light, what else do melanocytes within the epidermis do?

a.	help with assimilation of vitamins	c.	play a role in skin lubrication
b.	are determinant of skin pigmentation	d.	assist in walling off foreign protein

 

 

ANS:  B

 

	Feedback
A	Incorrect. Melanocytes are not associated with the assimilation of vitamins.
B	Correct. In addition to protecting people from the harmful effects of ultraviolet light, melanocytes within the dermis are determinants of skin pigmentation.
C	Incorrect. Melanocytes do not play a role in skin lubrication.
D	Incorrect. Melanocytes do not have an immune function of walling off foreign protein.

 

 

PTS:   1                    REF:   p. 1138 – Bacterial Infections

OBJ:   Cognitive Level: Comprehension

 

2. A student tells the school nurse that she knows that ultraviolet light is always harmful to a person. The nurse shares with the student that ultraviolet light has some positive effects as well. Which of the following effects is the most positive effect of ultraviolet light?

a.	Absorption of ultraviolet light is necessary for the conversion of substances to vitamin D.
b.	Ultraviolet light can help tan a person’s body.
c.	Ultraviolet light has a major influence on mood and can counteract the effects of major depression.
d.	Ultraviolet light helps crops grow at a more even growth rate over time.

 

 

ANS:  A

 

	Feedback
A	Correct. The absorption of ultraviolet light is necessary for the conversion of substances to vitamin D.
B	Incorrect. Ultraviolet light can tan a person’s body; however, tanning is not considered a positive attribute of ultraviolet light for one’s health.
C	Incorrect. While light may counteract the effects of depression, this feature is not as important as that of converting substances to vitamin D.
D	Incorrect. The impact of ultraviolet light on the growth of crops is not the most positive effect.

 

 

PTS:   1                    REF:   p. 1080 – Bacterial Infections

OBJ:   Cognitive Level: Comprehension

 

3. Why is the newborn’s skin more susceptible to infection during the first week of life?

a.	It is much more porous than it will be at any other time in life.
b.	The newborn’s skin is very thin, thinner than at any other time in life.
c.	The sweat gland system is underdeveloped in the first week.
d.	The pH of the newborn’s skin is relatively alkaline in the first week of life.

 

 

ANS:  D

 

	Feedback
A	Incorrect. The newborn’s skin is not susceptible to infection due to the skin being more porous.
B	Incorrect. The newborn’s skin is not susceptible to infection due to the skin being thinner.
C	Incorrect. The sweat glands are not associated with the risk of infection in the newborn.
D	Correct. During the first week of life, the newborn’s skin is more susceptible to infection due to the alkalinity of the skin. In time, the skin will become more acidic, which will discourage the growth of microorganisms.

 

 

PTS:   1                    REF:   p. 1083 – Bacterial Infections

OBJ:   Cognitive Level: Application

 

4. What is the classic sign of impetigo, which is typically used to diagnose this condition?

a.	red rash on the trunk	c.	tracks under the skin
b.	honey-colored crusts on the skin	d.	scratch marks near insect bites

 

 

ANS:  B

 

	Feedback
A	Incorrect. Impetigo does not typically present as a red rash on the trunk.
B	Correct. The diagnosis of impetigo is based upon the clinical presentation, which typically includes the honey-colored crusts on the skin. These crusts are considered the hallmark characteristic of impetigo.
C	Incorrect. Impetigo does not typically present as tracks under the skin.
D	Incorrect. While scratch marks and insect bites may allow the bacteria for impetigo to enter the skin, the presence of these findings does not suggest impetigo infection.

 

 

PTS:   1                    REF:   p. 1083 – Bacterial Infections

OBJ:   Cognitive Level: Application

 

5. Which of the following organisms are the ones that almost always cause bullous impetigo?

a.	Staphylococcus aureus	c.	streptococcus
b.	Escherichia coli	d.	pneumococcus

 

 

ANS:  A

 

	Feedback
A	Correct. The cause of bullous impetigo is almost always Staphylococcus aureus.
B	Incorrect. Bullous impetigo is not caused by Escherichia coli.
C	Incorrect. Bullous impetigo is not caused by streptococcus.
D	Incorrect. Bullous impetigo is not caused by pneumococcus.

 

 

PTS:   1                    REF:   p. 1083 – Bacterial Infections

OBJ:   Cognitive Level: Comprehension