Which of the following pathways is activated during the cephalic phase of gastrointestinal control?
A. sympathetic nerves to enteric nervous system
B. secretion of cholecystokinin
C. secretion of secretin
D. parasympathetic nerves to enteric nervous system
E. short reflexes between the small intestine and stomach
D
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The longest muscle of the body is the
A. biceps brachii. B. brachioradialis. C. sartorius. D. quadriceps femoris. E. gracilis.
Which of the following is an action of the sympathetic nervous system during stress?
A. It increases blood flow to the skeletal muscles and viscera. B. It inhibits blood clotting. C. It increases glycogen synthesis in the liver. D. It increases the ability to respond to situations where physical activity is required. E. It decreases ventilation of the lungs to save oxygen.
The point during an action potential when the inside of the cell has become more positive than the outside is known as the
A) falling phase. B) rising phase. C) depolarization. D) peak. E) overshoot.
Which of the following is a secreted enzyme that destroys bacteria?
A. Chemotaxin B. Complement C. Interferon D. Lysozyme