An intestinal hormone that stimulates the release of insulin from the pancreatic islet cells is
A) enterocrinin.
B) enteropeptidase.
C) secretin.
D) cholecystokinin.
E) gastric inhibitory peptide (GIP).
E
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Which of the following empties directly into the hepatic portal vein?
A) lumbar veins B) the suprarenal veins C) superior mesenteric vein D) hepatic veins E) None of the answers are correct.
Answer the following statements true (T) or false (F)
1. Proper control of the hydrogen ion concentration is important to the functioning of hemoglobin. 2. The pH of a solution is based on the exponent of the hydrogen ion concentration. 3. More acids than bases are usually added to body fluids. 4. When sodium bicarbonate buffers a strong acid, the hydrogen ion from the acid replaces the carbon in the bicarbonate. 5. With successful CPR after a cardiac arrest, proper heart rate and breathing are restored. Because of this, the body’s respiratory and urinary pH control mechanisms can quickly return the body to its proper pH.
Two solutions are separated by a semipermeable membrane with the same properties as a cell membrane. Solution A is a 5 percent salt, and solution B is 10 percent salt. Under these conditions, which of the following would most likely occur?
A) Water will move from solution A to solution B. B) Water will move from solution B to solution A. C) Glucose will move from solution A to solution B. D) Glucose will move from solution B to solution A.
Static equilibrium is perceived because gravity pulls ________ down onto hair cells.
A. endolymph B. the cerebellum C. crista ampullaris D. otoliths