An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is
A) vasoactive intestinal peptide (VIP).
B) enteropeptidase.
C) secretin.
D) cholecystokinin.
E) gastric inhibitory peptide (GIP).
Ans: E) gastric inhibitory peptide (GIP).
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The energy equivalent of O2 is:
a. 4.8 kcal of energy liberated per liter of O2 consumed b. 4.8 kcal of energy liberated per liter of CO2 expired c. 5.8 kcal of energy liberated per liter of O2 consumed d. 5.8 kcal of energy liberated per liter of CO2 expired e. 6.8 kcal of energy liberated per liter of CO2 expired
A drug that blocks the reuptake of a NT in a synapse:
a. decreases the amount of NT in the synapse b. decreases the function of the synapse c. acts on the presynaptic cell d. acts on the postsynaptic cell
List the veins that a drop of blood will pass through as it leaves the foot and returns to the heart: 1. Saphenous vein 2. Popliteal vein 3. External iliac vein 4. Femoral vein
A) 3, 2, 4, 1 B) 2, 3, 4, 1 C) 2, 4, 3, 1 D) 3, 2, 1, 4 E) 2, 1, 4, 3
In the intestine, ________ ensure(s) that most digested nutrients pass through the epithelial cells and not between them
A) ground substance B) tight junctions C) desmosomes D) the plasma membrane E) gap (communicating) junctions