Ganglia are collections of ________
A) nuclei
B) dendrites
C) cell bodies
D) axons
E) axon terminals
C
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Which of the following is not a reason that somatic reflexes act faster than visceral reflexes?
A. The effector pathway in the somatic reflex arc is myelinated. B. The effector pathway in the visceral reflex arc involves more neurons. C. The effector pathway in the visceral reflex arc involves more chemical synapses. D. Some of the neurons in the effector pathway in the visceral reflex arc are unmyelinated. E. The effector organs in the somatic reflex are closer to the spinal cord.
What neurotransmitter is released by all parasympathetic neurons?
A) acetylcholine B) epinephrine C) norepinephrine D) dopamine E) serotonin
Of the activities listed below, which relies primarily on isometric contractions?
A) answering the telephone B) bending down to pick up a textbook C) throwing a ball D) sitting in an upright position
All autonomic output originates in the central nervous system.
Answer the following statement true (T) or false (F)