A scientist develops a mouse that lacks the ability to express CCK1 receptors. Compared to a normal mouse, which of the following would be expected to be increased?
A. gastric acid secretion
B. gallbladder contraction after a meal
C. cytosolic Ca++ in pancreatic acinar cells
D. firing of duodenal vagal afferents when food is in the lumen
E. gastric emptying
F. histamine release from ECL cells
ANS: E
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The ventricles of the vertebrate brain contain
A) Neurons. B) Glia. C) Cerebrospinal fluid. D) Dura mater.
The smallest unit that carries out all the basic functions of life is a ________.
Fill in the blank(s) with the appropriate word(s).
Which organ systems are involved with the acquisition of oxygen and its delivery to the cells of the body?
What will be an ideal response?