Human Physiology From Cells To Systems 3rd Edition by Lauralee Sherwood – Test Bank

Human Physiology From Cells To Systems 3rd Edition by Lauralee Sherwood – Test Bank

Indicate whether the statement is true or false.

1. Peptide hormones are often produced as prohormones.

a.

True

b.

False

2. Growth hormone is controlled by both releasing and inhibiting hormones from the hypothalamus.

a.

True

b.

False

3. The somatomedins are insulin-like growth factors.

a.

True

b.

False

4. The thyroid hormone produces growth-promoting effects directly.

a.

True

b.

False

5. Vasopressin is a vasoconstrictor substance.

a.

True

b.

False

6. A tropic hormone acts primarily on nonendocrine tissues.

a.

True

b.

False

7. Secretion of epinephrine from the adrenal medulla is under the effect of the sympathetic nervous system.

a.

True

b.

False

8. Chondrocytes are bone cells that are affected by the growth hormone.

a.

True

b.

False

9. The main control normally determining the plasma concentration of a particular hormone is its rate of inactivation and excretion.

a.

True

b.

False

10. Transmission of nerve impulses from the hypothalamus to the anterior pituitary causes the stored hormones to be released.

a.

True

b.

False

11. All hormones are first formed as preprohormones then are pruned into active hormones.

a.

True

b.

False

12. Tropic hormones target only other glands.

a.

True

b.

False

13. FSH has different functions in men and women.

a.

True

b.

False

14. Growth hormone promotes closure of the epiphyseal plate at adolescence.

a.

True

b.

False

15. Hormone activity is rapid compared to the effects of the nervous system.

a.

True

b.

False

16. Permissiveness refers to the conversion of inactive enzymes into active enzymes by hormones, thus permitting the enzymes to perform their function.

a.

True

b.

False

17. Peptide hormones cause changes in solute permeability or alter intracellular protein activity at their targets.

a.

True

b.

False

18. Cholesterol is a common precursor for polypeptide hormones.

a.

True

b.

False

19. FSH and LH are collectively known as gonadotropins.

a.

True

b.

False

20. Minor differences in structure between hormones within each chemical category often result in profound differences in biological response.

a.

True

b.

False

21. Plasma concentrations of a hormone are normally regulated by changes in secretion rate.

a.

True

b.

False

22. Lipophilic (hydrophobic) hormones circulate in the blood largely bound to plasma proteins.

a.

True

b.

False