Pharyngeal constrictor muscles are especially important for which function?
A. Breathing
B. Swallowing
C. Expressing fright
D. Chewing food
E. Mixing food with enzymes
B
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Hyperpolarization of a neuron results from
A. the entrance of either sodium or potassium. B. the entry of any ion. C. either the entry of an anion or the exit of a cation. D. either the entry of a cation or the exit of an anion.
The part of the small intestine most likely to develop an ulcer from exposure to gastric juice is the
A) pylorus. B) duodenum. C) ileum. D) cecum. E) jejunum.
Which term best describes the relationship of the deltoid and SITS muscles during shoulder abduction?
A. Prime movers B. Antagonists C. Synergists D. Fixators E. Adductors
Overseeing the postural muscles of the body and making rapid adjustments to maintain balance and equilibrium are functions of the
A) cerebrum. B) thalamus. C) cerebellum. D) pons. E) medulla oblongata.