Chapter 18 Principles of Anatomy & Physiology 14th edition by Gerard J Tortora

Chapter 18 Principles of Anatomy & Physiology 14th edition by Gerard J Tortora

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

1) Which of the following is NOT a function of a hormone?

1. a) Regulates chemical composition and volume of the internal environment
2. b) Regulates metabolism
3. c) Regulates glandular secretions
4. d) Produces electrolytes
5. e) Controls growth and development

Answer: d

Difficulty: Easy

Study Objective 1: SO 18.1 Compare control of body functions by the nervous system and endocrine system.

Section Reference 1: Sec 18.1 Comparison of Control by the Nervous and Endocrine Systems

2) When a hormone is present in excessive levels, the number of target-cell receptors may decrease. This is called

1. a) receptor recognition.
2. b) sensory adaptation.
3. c) paracrine regulation.
4. d) up-regulation.
5. e) down-regulation.

Answer: e

Difficulty: Medium

Study Objective 1: SO 18.3 Compare the classes of hormones and describe how they interact with target-cell receptors.

Study Objective 2: SO 18.3.1 Describe how hormones interact with target-cell receptors.

Section Reference 1: Sec 18.3 Hormone Activity

3) Which of the choices below is a type of hormone that acts on neighboring cells without entering the bloodstream?
1. Local hormone
2. Paracrine
3. Autocrine
4. Circulating hormone

1. a) 1 only
2. b) 2 only
3. c) 3 only
4. d) 4 only
5. e) Both 1 and 2

Answer: e

Difficulty: Medium

Study Objective 1: SO 18.3 Compare the classes of hormones and describe how they interact with target-cell receptors.

Study Objective 2: SO 18.3.1 Describe how hormones interact with target-cell receptors.

Section Reference 1: Sec 18.3 Hormone Activity

4) Which of the following are a group of lipid-soluble hormones derived from cholesterol?

1. a) Steroids
2. b) Thyroid hormones
3. c) Nitric oxide
4. d) Amine hormones
5. e) Peptide hormones

Answer: a

Difficulty: Medium

Study Objective 1: SO 18.3 Compare the classes of hormones and describe how they interact with target-cell receptors.

Study Objective 2: SO 18.3.2 Compare the two chemical classes of hormones based on their solubility.

Section Reference 1: Sec 18.3 Hormone Activity

5) Which of the following is an eicosanoid?
1. Prostaglandin
2. Leukotriene
3. Glycoprotein

1. a) 1 only
2. b) 2 only
3. c) 3 only
4. d) Both 1and 2
5. e) All of these choices

Answer: d

Difficulty: Medium

Study Objective 1: SO 18.3 Compare the classes of hormones and describe how they interact with target-cell receptors.

Study Objective 2: SO 18.3.2 Compare the two chemical classes of hormones based on their solubility.

Section Reference 1: Sec 18.3 Hormone Activity