What is the main stimulus for bile secretion from the gallbladder?
A. Large amounts of protein in the chyme
B. Vagal stimulation
C. Cholecystokinin (CCK)
D. Secretin
Answer: C
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Most potassium loss from the body occurs through
A. sweat. B. urine. C. feces. D. respiration.
________________________________________ may perform academic research, or work as pharmacologists , or work as agricultural experts
Fill in the blank(s) with correct word
Why does nutrient-rich blood of the hepatic portal vein pass first through the liver before this blood is returned to the heart?
A. This allows the liver to add more nutrients to the blood. B. This allows the liver to add more waste products to the blood. C. The liver needs more nourishment than other tissues; hence nutrients first pass through the liver. D. This allows the liver to store or modify the nutrients.
At a(n) ________ synapse, a neurotransmitter is released to affect the postsynaptic cell.
Fill in the blank(s) with the appropriate word(s).