Human Physiology Chapter 23 Part 6

A

Bill does not begin puberty until he is 16. What effect would you predict this will have on his stature? A) Bill will probably be taller than if he had started puberty earlier. B) Bill will probably be shorter than if he had started puberty earlier. C) Bill will probably be a dwarf. D) Bill will have bones that are denser than normal. E) The late onset of puberty will have no effect on Bill's stature.

E

A rise in cortisol would cause each of the following except one. Identify the exception. A) enhanced rate of glucose synthesis by the liver B) increased rate of glycogen usage by the liver C) higher levels of fatty acids in the blood D) suppression of the immune system E) increased ACTH levels

D

Damage to cells of the zona fasciculata of the adrenal cortex would result in A) the disappearance of axillary and pubic hair. B) increased volume of urine formation. C) decreased levels of sodium ion in the blood. D) decreased ability to convert lipids to glucose. E) increased water retention.

E

caused by elevation of TSH A. giantism B. kyphosis C. moon face D. myxedema E. goiter

A

caused by growth hormone excess in childhood A. giantism B. kyphosis C. moon face D. myxedema E. goiter

C

easily observable symptom of hypercortisolism A. giantism B. kyphosis C. moon face D. myxedema E. goiter

B

hunchback appearance associated with osteoporosis A. giantism B. kyphosis C. moon face D. myxedema E. goiter

A

Increased blood calcium levels result in increased A) secretion of calcitonin. B) secretion of parathyroid hormone. C) retention of calcium by the kidneys. D) osteoclast activity. E) excitability of neural membranes.

C

Premature closure of the epiphyseal plates could be caused by A) high levels of vitamin D3. B) too much calcium in the diet. C) elevated levels of sex hormones. D) too little thyroxine. E) an excess of growth hormone.

D

puffy appearance associated with hypothyroidism A. giantism B. kyphosis C. moon face D. myxedema E. goiter