MEDSURG- THE ENDOCRINE SYSTEM - TESTBANK

THE ENDOCRINE SYSTEM- LATEST GUIDE.
MULTIPLE CHOICE
1. Which of the following is NOT a function of a hormone?
a. Regulates chemical composition and volume of the internal environment
b. Regulates metabolism
c. Regulates glandular secretions
d. Produces electrolytes
e. Controls growth and development

Ans: D
Difficulty: easy
Feedback: 18.2



2. When a hormone is present in excessive levels, the number of target-cell receptors
may decrease. This is called:
a. Receptor recognition
b. Circulating hormone
c. Paracrine
d. Up regulation
e. Down regulation

Ans: E
Difficulty: medium
Feedback: 18.3



3. These hormones act on neighboring cells without entering the bloodstream.
a. Local hormones
b. Paracrines
c. Autocrines
d. Both b and c
e. All of the above

Ans: E
Difficulty: medium
Feedback: 18.3

,4. These are lipid soluble hormones derived from cholesterol.
a. Steroids
b. Thyroid hormones
c. Nitric Oxide
d. Amine hormones
e. Peptide hormones

Ans: A
Difficulty: medium
Feedback: 18.3



5. Which of the following is a major eicosanoid?
a. A. Prostaglandins
b. B. Leukotrienes
c. C. Glycoproteins
d. Both a and b
e. All of the above

Ans: D
Difficulty: medium
Feedback: 18.3



6. What is a major difference in the action of a water soluble hormone versus a lipid
soluble hormone?
a. How they diffuse through blood
b. How the mRNA is transcribed
c. The use of a second messenger
d. Only one type needs a hormone receptor
e. Lipid hormones are not found in the bloodstream

Ans: C
Difficulty: medium
Feedback: 18.4



7. When one hormone opposing the action of another hormone is it called:
a. Synergistic effects
b. Permissive effects
c. Antagonistic effects

, d. Circulating
e. Local

Ans: C
Difficulty: easy
Feedback: 18.4



8. Which of the following is not a way hormone secretion is regulated?
a. A. Signals from the nervous system
b. B. Chemical changes in the blood
c. C. Signals from the peripheral nervous system
d. D. The action of other hormones
e. Both a and b

Ans: C
Difficulty: medium
Feedback: 18.5



9. What controls the anterior pituitary gland?
a. Chemical signals from the blood
b. The peripheral nervous system
c. Action of hypothalamic hormones
d. Action potentials from the thalamus
e. Chemical changes in CSF

Ans: C
Difficulty: easy
Feedback: 18.6



10. Which of the following anterior pituitary hormones stimulates growth?
a. Human growth hormone
b. Prolactin
c. Thyrotropin
d. Follicle stimulating hormone
e. Adrenocorticotropic hormone

Ans: A
Difficulty: medium
Feedback: 18.6