Amylase is secreted by _______.
A) the small intestine
B) the stomach
C) the salivary glands
D) the large intestine
C) the salivary glands
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Which of the following is not controlled by a negative feedback loop?
a. body temperature b. blood oxygen concentration c. fluid levels of the body d. blood clot formation
Define nitrogen balance. List three factors that might lead to negative nitrogen balance and three that might result in positive nitrogen balance.
What will be an ideal response?
Why can a completely dry food bolus NOT be swallowed?
a. the dry food stimulates sympathetic activity, inhibiting peristalsis b. the dry food inhibits parasympathetic activity in the esophagus c. friction with the walls of the esophagus makes peristalsis ineffective d. all of the listed responses are correct
Which of the following is true of Acids? [H+] = concentration of hydrogen ions
A. Acids decrease [H+] to lower pH B. Acids increase [H+] to raise pH C. Acids decrease [H+] to raise pH D. Acids increase [H+] to lower pH