Activation of parasympathetic fibers in pelvic splanchnic nerves leads to
A. decreased smooth muscle motility in the digestive tract.
B. no effect on the digestive tract.
C. increased smooth muscle motility in the digestive tract.
Answer: C
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In the diagram, which layer is the stratum corneum?
a) E b) F c) G d) H e) I
Based on what you learned in the chapter on control of blood flow and pressure, what must happen to blood flow to meet the metabolic demands of exercising skeletal muscle? How is this accomplished? What is the predicted effect of this change on systemic blood pressure during exercise? What are the changes in heart function during exercise, and what effects should those changes have on systemic
blood pressure? What actually happens to systemic blood pressure during exercise? Explain the apparent contradictions. What will be an ideal response?
The lowest level of organization in the body is the ________ level.
A. cellular B. tissue C. organ D. chemical
The neuron that receives neurotransmitters from another neuron is called:
A) an oligodendrocyte. B) a Schwann cell. C) the presynaptic neuron. D) the postsynaptic neuron.