Which of the following is the most potent inhibitor (directly or indirectly) of gastric motility and emptying?
A. fat in the duodenum
B. acid in the stomach
C. carbohydrate in the stomach
D. gastrin
E. distension of the stomach
A
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Delicate unpigmented hairs that cover the fetus in early development are called
A. terminal hairs. B. secondary hairs. C. primary hairs. D. vellus hairs. E. lanugo hairs.
How is the length of a skeletal muscle cell related to the force it can generate?
A. Skeletal muscle cells generate the most force when the contraction occurs at an intermediate length. B. The shorter a skeletal muscle cell is when it begins to contract, the stronger the force generation will be. C. Skeletal muscle cells generate the same amount of force, regardless of their length. D. The longer a skeletal muscle cell is when it begins to contract, the stronger the force generation will be. E. The tension in a skeletal muscle cell is greatest when contractions occur at either very short or very long lengths.
Which is not a general function of the nervous system?
A. Responding to information B. Collecting information C. Transporting materials throughout the body D. Processing and evaluating information E. No exceptions; all are general functions of the nervous system
What percentage of their body should fish be fed?
a. 5% c. 1% b. 3% d. 6%