chp 9 quiz Flashcards
(20 cards)
Compared to somatic motor neurons, autonomic motor neurons ________.
control actions in multiple organ system
Somatic motor reflexes may result in________.
contraction of skeletal muscle
What occurs when one sympathetic preganglionic neuron synapses on several postganglionic neurons?
divergence
neural crest cells form______
the adrenal medulla
ablation of the celiac ganglia would inhibit sympathetic regulation of the ______
kidneys
damage to the terminal ganglia would have the greatest effect on _______
parasympathetic motor neurons
The parasympathetic division of the autonomic nervous system ________.
has terminal ganglia embedded in the visceral effectors
The slowest rate of conduction would be measured in ________ neurons.
postganglionic autonomic sympathetic
from where do parasympathetic preganglionic neurons originate
brainstem and sacral region of the spinal cord
The ________ are branches made from the preganglionic sympathetic axons that travel from the spinal nerves to sympathetic ganglia chain.
white rami communicantes
postganglionic _______ neurons release acetylcholine
parasympathetic
Cholinergic receptors bind neurotransmitters released from ________
preganglionic parasympathetic neurons
the neurotransmitter released at terminal ganglia is _______
acetylcholine
“Synapses en passant” refers to the fact that postganglionic autonomic neurons release neurotransmitter ________.
along the length of the axon
Cocaine acts as a sympathomimetic drug because it blocks the reuptake of ________.
norepineprhine
Which of the following is a catecholamine?
norepinephrine
Blocking β2-adrenergic receptors prevents airway ________.
dilation
cocaine is a(an) ________ drug, meaning that it promotes sympathetic nerve effects.
sympathomimetic
Which part of the brain helps to regulate the ANS actions from the medulla during motion sickness?
cerebellum
Visceral reactions which accompany emotional states are due to activation of the autonomic nervous system by the ________.
limbic system
