Sensory impulses are stimulated at receptors by
A) decreasing permeability of nerve cell membranes.
B) neurotransmitters.
C) subthrehold potential.
D) local changes in their cell membrane potentials.
D
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Which directional term means farther from the midline?
a) medial b) anterior c) proximal d) deep e) lateral
Which of the following categories of motion is mutually exclusive with each of the others?
A. translational motion B. rectilinear motion C. curvilinear motion D. rotational motion
The trachea and mainstem bronchi:
A) constrict violently when their beta-2 receptors are stimulated excessively. B) are approximately 10 to 12 cm in length and are joined together at the hilum. C) do not contain mucous-producing cells in patients without a respiratory disease. D) are lined with beta-2 receptors that result in bronchodilation when stimulated.
While Stacy is in the process of passing over the bar during a pole vault, her hips are considered to be
A. superior to her shoulders. B. anterior to her shoulders. C. posterior to her shoulders. D. cephalic to her shoulders. E. inferior to her shoulders.