What are the group of loosely packed nuclei within the length of the brainstem called that are involved in cyclic activities such as sleep-wake cycles?
A.
limbic system
B.
diencephalon
C.
hypothalamus
D.
reticular formation
E.
basal nuclei
D
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From a physiological perspective, the increase in pelage (i.e. fur) that some mammals experience in winter represents
a. acclimation. b. acclimatization. c. adaptation. d. feedback inhibition.
Which of the following structures contain osteocytes?
a) central (Haversian) canals b) perforating (Volkmann's) canals c) concentric lamellae d) lacunae e) canaliculi
Which layer of the small intestine wall contains cells with microvilli?
A. Adventitia B. Submucosa C. Mucosa D. Muscularis E. Serosa
An investigator who conducts an experiment to determine how changes in pH affect the function of enzymes on digestion is most likely to be a(n)
A. neurologist. B. anatomist. C. engineer. D. physiologist. E. histologist.