Melanocyte-stimulating hormone, which regulates the formation of melanin, is produced
by the
A) pineal gland.
B) anterior lobe of the pituitary gland.
C) the hypothalamus.
D) intermediate lobe of the pituitary gland.
D
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Cardiac arrhythmias may be a clinical sign of either K+ depletion or excess.
Answer the following statement true (T) or false (F)
Put the following steps of fat digestion and absorption in order:
1. Bile salts coat fat droplets. 2. Cholesterol is transported into cells. 3. Chylomicrons are formed. 4. Chylomicrons are released into lymphatic system. 5. Monoglycerides and fatty acids move out of micelles. 6. Pancreatic lipase and colipase break down fats. A) 1, 6, 5, 2, 3, 4 B) 6, 3, 4, 1, 2, 5 C) 2, 6, 5, 1, 3, 4 D) 1, 2, 3, 4, 6, 5 E) None of the answers are correct.
A tissue transplant from one person to another genetically identical individual is a/an
A. autograft. B. allograft. C. syngenetic graft. D. heterograft. E. xenograft.
The left and right coronary arteries
A. are interconnected with several high-volume anastomoses allowing for well perfused alternate blood paths. B. are functional end arteries because the blockage of one of them leads to tissue death in the area it supplies.