Hydrochloric acid (HCl) is secreted by which cells in the stomach?
A) chief cells B) mucous neck cells C) parietal cells D) enterocytes
Q. 2All food additives are synthetic.
Indicate whether the statement is true or false
Q. 3Adenosine triphosphate (ATP) can be synthesized from adenosine monophosphate (AMP) and adenosine diphosphate (ADP) through the process of
A) dephosphorylation. B) hydrolysis.
C) phosphorylation. D) deamination.
Q. 4Which individual is at the LEAST risk for osteoporosis?
A) male tennis player in his 30s B) thin Caucasian female in her 40s
C) petite Asian female D) normal weight, elderly male
Q. 5Which of the following may help bind the different parts of an enzyme together to speed up a metabolic reaction?
A) calorimeter B) lactate C) cofactor D) ketone
Q. 6Nitrites convert to nitrosamines, which have been reliably shown to cause cancer in humans.
Indicate whether the statement is true or false
Q. 7Chyme is released from the stomach intermittently in small amounts because
A) it must be converted to a much less acidic pH before entering the duodenum.
B) moving food into the small intestine too quickly can lead to an ulcer.
C) the ileocecal valve is too small to pass it all at once.
D) the small intestine can hold only a small fraction of the stomach volume at a time.
Q. 8Which of the following activates the phosphorylation of glucose?
A) glucokinase B) glucagon C) ammonia D) pyruvate
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