Anatomy & Physiology I and II

Anatomy & Physiology Study Guide

15.7 Chapter Fifteen Practice Exam 1. The CNS interprets information entirely on the basis of the _____________. a. No. of action potentials received b. Type of action potentials received c. Line over which sensory information arrives d. Intensity of the sensory stimulus 2. The autonomic division of the nervous system directs _______________________. a. Voluntary motor activity b. Conscious control of skeletal muscles c. Unconscious control of skeletal muscles d. Processes that maintain homeostasis 3. The division of the autonomic nervous system that prepares the body for activity and stress is the ______ division. a. Sympathetic b. Parasympathetic c. Craniosacral d. Intramural 4. Effects produced by the parasympathetic branch of the autonomic nervous system include _______________________. a. Dilation of the pupils b. Increased secretion by digestive glands c. Dilation of respiratory passages d. Increased heart rate 5. Which progressive disorder is characterized by the loss of higher-order cerebral functions? a. Parkinson disease b. Parasomnia c. Huntington disease d. Alzheimer disease

6. All preganglionic autonomic fibers release ______________ at their synaptic terminals, and the effects are always ________________. a. Norepinephrine; inhibitory b. Norepinephrine; excitatory c. Acetylcholine; excitatory d. Acetylcholine; inhibitory 7. The neurotransmitter at all synapses and neuromuscular or neuroglandular junctions in the parasympathetic division of the ANS is __________________. a. Epinephrine b. Norepinephrine c. Cyclic-AMP d. Acetylcholine 8. Damage to the hippocampus, a component of the limbic system, leads to ______________. a. A loss of emotion due to forgetfulness b. A loss of consciousness c. A loss of long-term memory d. An immediate loss of short-term memory 9. During sympathetic stimulation, a person may begin to feel “on edge” as a result of … a. Increased energy metabolism by muscle tissue b. Increased cardiovascular activity c. Stimulation of the reticular activating system d. Temporary insensitivity to painful stimuli

Answer key found on page 365.

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