Sarah sensed a mosquito land on her arm and swatted it away with her hand. Which specific PNS division was responsible for the movement of Sarah's hand?
A) visceral sensory division B) autonomic nervous system
C) somatic motor division D) somatic sensory division
Answer: C
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Secretion of cholecystokinin from the intestinal wall is stimulated by
A. protein in the small intestine. B. protein in the stomach. C. fat in the stomach. D. protein and fat in the small intestine.
About 70% of the CO2 that diffuses into systemic capillaries
A. directly dissolves in the plasma. B. combines with water to form carbonic acid, which then dissociates into bicarbonate and hydrogen ions. C. binds to hemoglobin. D. forms carbonic anhydrase, which combines carbonic acid and water to solubilize the CO2.
Resting membrane potential is due to unequal concentrations of:
A) ions. B) water molecules. C) acids and bases. D) phospholipids and proteins.
The three physiological buffer systems are urinary, digestive, and respiratory
Indicate whether the statement is true or false