Chymotrypsinogen
Question 32 options:
| a) is secreted primarily by the stomach |
| b) is converted to chymotrypsin by the action of trypsin |
| c) is converted to chymotrypsin by the action of acid |
| d) uses starch as its primary substrate |
| e) uses triglycerides as its primary substrate |
Question 33 (1 point)
Slow waves are
Question 33 options:
| A) cycles of smooth muscle contraction and relaxation. |
| B) spontaneous cycles of depolarization and repolarization. |
| C) reflexes that originate and are integrated in the entericnervous system. |
| D) peristaltic contractions. |
| E) segmental contractions. |
Question 34 (1 point)
Luteinizing hormone (LH) in males
Question 34 options:
| (a)    stimulates secretion oftestosterone |
| (b)    has a trophic effect on the secretionof leydig cells |
| (c)    A and B are correct |
| (d)    acts on the seminiferous tubules topromote sperm formation |
| (e)    all are correct |
Question 35 (1 point)
D cells in the islet of Langerhans secrete
Question 35 options:
| A) somatostatin. |
| B) amylin. |
| C) insulin. |
| D) glucagon. |
| E) pancreatic polypeptide. |
Question 36
The gonads, ovaries in the female and testes in the male,perform these functions
Question 36 options:
| a. Gametogenesis |
| b. Thermoregulation |
| c. Homeostasis |
| d. A, B and C above |
| e. A and B above |