A) activates β₁ adrenergic receptors.
B) activates β₂ adrenergic receptors.
C) activates muscarinic cholinergic receptors.
D) blocks β₂ adrenergic receptors.
E) activates β₂ adrenergic receptors or activates muscarinic cholinergic receptors.
Correct Answer
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Multiple Choice
A) 1,2
B) 3
C) 4
D) 1,2,and 3
E) 2,4
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Multiple Choice
A) true only for the parasympathetic nervous system.
B) true only for the sympathetic nervous system.
C) true for both the parasympathetic and sympathetic nervous systems.
D) not true for either the parasympathetic or sympathetic nervous systems.
E) true only for the somatic nervous system.
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Multiple Choice
A) cervical and sacral segments of the spinal cord
B) sacral segments of the spinal cord
C) brain stem
D) thoracic and lumbar segments of the spinal cord
E) cerebellum
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Multiple Choice
A) stomach.
B) liver.
C) pancreas.
D) spleen.
E) All of the answers are correct.
Correct Answer
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Multiple Choice
A) Preganglionic neurons are located in the brain stem and sacral region of the spinal cord.
B) Ganglionic neurons are located in ganglia within or near to effectors.
C) Preganglionic fibers are relatively short and postganglionic fibers are relatively long.
D) The actions of the parasympathetic division are more localized than those of the sympathetic division.
E) The ganglionic neurons always release acetylcholine.
Correct Answer
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Multiple Choice
A) sympathetic
B) parasympathetic
C) thoracolumbar
D) visceral
E) somatomotor
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Multiple Choice
A) acetylcholine; serotonin
B) serotonin; norepinephrine
C) norepinephrine; serotonin
D) acetylcholine; GABA
E) glutamate; serotonin
Correct Answer
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Multiple Choice
A) delirium agitans.
B) senile dementia.
C) persistent vegetative state.
D) somnolence of the aged.
E) progressive cerebral dysfunction.
Correct Answer
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Multiple Choice
A) occipital lobe
B) basal nuclei
C) hippocampus
D) insula
E) prefrontal lobe
Correct Answer
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Multiple Choice
A) decrease in the rate of cardiac contraction.
B) constriction of the pupils.
C) dilation of the airways.
D) stimulation of urination.
E) stimulation of defecation.
Correct Answer
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Multiple Choice
A) medullin.
B) epinephrine.
C) norepinephrine.
D) renin.
E) both epinephrine and norepinephrine.
Correct Answer
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Multiple Choice
A) celiac plexus.
B) hypogastric plexus.
C) cardiac plexus.
D) sphenopalatine ganglia.
E) otic ganglia.
Correct Answer
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Multiple Choice
A) somatic motor neuron
B) preganglionic neuron
C) sensory neuron
D) ganglionic neuron
E) astrocyte
Correct Answer
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Essay
Correct Answer
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View Answer
Multiple Choice
A) upper motor
B) lower motor
C) preganglionic
D) postganglionic
E) somatomotor
Correct Answer
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Multiple Choice
A) reduction in brain size and weight.
B) decrease in the number of neurons.
C) decreased blood flow to the brain.
D) changes in synaptic organization in the brain.
E) All of the answers are correct.
Correct Answer
verified
Multiple Choice
A) respond to epinephrine.
B) respond to norepinephrine.
C) open chemically-gated sodium ion channels.
D) are found at neuroeffector junctions of the parasympathetic nervous system.
E) are found at neuroeffector junctions of the sympathetic nervous system.
Correct Answer
verified
Multiple Choice
A) no change in vessel diameter.
B) a decrease in vessel diameter.
C) oscillation in vessel diameter.
D) a decrease in blood flow through the vessel.
E) an increase in blood flow through the vessel.
Correct Answer
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Short Answer
Correct Answer
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