The ________________ is best described as an interconnected group of brain structures including parts of the frontal lobe-cortex, temporal lobe, thalamus, and hypothalamus, that is associated with learning, emotional experience, and behavior?
A. diencephalon
B. cerebrum
C. limbic system
D. reticular formation
E. cerebellum
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Question 2) Synthesis of neuropeptides differs from that of other neurotransmitters because it:
A. takes place in the axon terminals of neurons.
B. takes place in the cell bodies of neurons.
C. takes place on ribosomes in the postsynaptic cell's membrane.
D. uses amino acids as precursor molecules.
E. only takes place at synapses outside the central nervous system.
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Question 3) Which is a FALSE statement about the cerebrospinal fluid?
A. It has the same composition as blood plasma.
B. It acts as a cushion for the brain and spinal cord.
C. It is secreted by cells lining the ventricles of the brain.
D. It circulates within and between brain ventricles and surrounds the spinal cord.
E. It is in diffusion equilibrium with the extracellular fluid of the central nervous system.
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Question 4) Which best describes the reticular formation of the brain?
A. It is mainly involved in motor coordination and balance.
B. It is the master endocrine gland of the brain.
C. It is primarily responsible for visual perception.
D. It integrates information from all regions of the CNS, and incorporates the mechanisms that regulate sleep and wakefulness.
E. It is the primary synaptic relay station for sensory information entering the CNS.
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Question 5) Which of the following does NOT result from the binding of nicotine with nicotinic acetylcholine receptors?
A. a mild form of skeletal muscle paralysis that creates a more relaxed state
B. signal transmission at neuromuscular junctions
C. generation of excitatory signals within autonomic ganglia
D. the release of norepinephrine, dopamine, and epinephrine
E. facilitation of the release of multiple neurotransmitters within the brain, including the reward pathway involving dopamine
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Question 6) Which of the following kinds of neurons is NOT generally cholinergic?
A. somatic motor neurons
B. postganglionic sympathetic neurons
C. postganglionic parasympathetic neurons
D. preganglionic sympathetic neurons
E. preganglionic parasympathetic neurons
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Question 7) The region of the brain that is the most important control area for homeostatic regulation of the internal environment is:
A. the thalamus.
B. the hippocampus.
C. the cerebrum.
D. the cerebellum.
E. the hypothalamus.
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Question 8) The portion of the peripheral nervous system that is composed of nerve fibers that innervate skeletal muscle is called the:
A. afferent nervous system.
B. sympathetic nervous system.
C. parasympathetic nervous system.
D. somatic motor nervous system.
E. autonomic nervous system.
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Question 9) Drug X interferes with the action of norepinephrine at synapses. Which of the following mechanisms would NOT explain the effects of X?
A. X inhibits synthesis of norepinephrine at the axon terminal.
B. X inhibits norepinephrine release from the terminal.
C. X blocks reuptake of norepinephrine by the terminal.
D. X is an adrenergic receptor antagonist.
E. X stimulates the catabolism of norepinephrine.
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Question 10) The central nervous system includes the:
A. afferent nerves and spinal cord.
B. efferent nerves and spinal cord.
C. autonomic nervous system and the brain.
D. brain stem and the autonomic nervous system.
E. brain and spinal cord.
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