Pepsinogen, an inactive digestive enzyme, is secreted by the ________
A) parietal cells of the duodenum
B) goblet cells of the small intestine
C) Brunner's glands
D) chief cells of the stomach
D
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The oculomotor nerve is a cranial nerve containing nerve fibers that innervate eye muscles and control eye movement. These fibers are examples of
A. motor neurons. B. interneurons. C. sensory neurons. D. unipolar neurons.
The region of the brain that allows a person to determine answers to such questions as how long ago an event occurred, or in what sequence events occurred, is the ________.
Fill in the blank(s) with the appropriate word(s).
Which combination of substances would cause the greatest stimulation of gastric HCl secretion when applied to parietal cells?
A. somatostatin, gastrin, and histamine B. acetylcholine, histamine, and somatostatin C. somatostatin and acetylcholine D. gastrin, histamine, and acetylcholine E. histamine and gastrin
DNA profiling
A. sequences the entire genomes of criminals. B. sequences genes that cause disease. C. analyzes 64 highly variable regions of the human genome. D. compares the most variable parts of the genome for a variety of applications.