The cell type that expresses prohormone convertases capable of cleaving POMC into an active tropic hormone is the:
A. thyrotrope
B. lactotrope
C. corticotrope
D. gonadotrope
E. somatotrope
ANS: C
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An electrocardiogram would be definitive for diagnosing diseases involving the valves of the heart.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. The expiratory center is located in the pons. 2. The cerebral cortex is responsible for the voluntary increase or decrease in breathing rate. 3. When stretch receptors in the lungs are stimulated, an inhibitory impulse is sent to the expiratory center in the brain. 4. Carotid bodies are sensitive to oxygen concentration, carbon dioxide concentration, and acid concentration in the blood. 5. Eupnea refers to difficulty or labored breathing.
Answer the following statements true (T) or false (F)
1. Many of the changes that occur during adolescence are controlled by the secretion of sex hormones. 2. Osteoporosis is a degenerative joint disease of old age. 3. About 25% of the nephrons of the kidney stop functioning between the ages of 30 and 75. 4. Hypertension is another term for high blood pressure. 5. Atherosclerosis is sometimes called hardening of the arteries.
Which characterizes diverticulosis?
A. The formation of pouches in the wall of the colon B. Regurgitation of stomach contents into the esophagus C. An infection of the vermiform appendix D. A decrease in the production of intrinsic factor in the stomach