Quiz
Study Guide: Autonomic Nervous System
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1Somatic motor and autonomic pathways share all of the following except:
- Adirection of impulse conduction
- Beffectors located outside the CNS
- Cnumber of neurons between the CNS and effector
- Dacetylcholine as a possible neurotransmitter
2Within the sympathetic chain ganglion, the preganglionic fiber may:
- Asynapse with a sympathetic postganglionic neuron
- Bsend an ascending branch through the sympathetic trunk
- Cpass through chain ganglia and synapse in a collateral ganglion
- Dall of the above
3Beta receptors bind with:
- Aacetylcholine.
- Bnorepinephrine.
- Ctoxin muscaine.
- Dnone of the above
4Which of the following is not an example of sympathetic stimulation?
- Adecreased heart rate
- Bdecreased secretion of the pancreas
- Cconstriction of the urinary sphincters
- Ddilation of skeletal muscle blood vessels
5"Fight or flight" physiologic changes include all of the following except:
- Aincreased conversion of glycogen to glucose
- Bconstriction of respiratory airways
- Cincreased perspiration
- Ddilation of blood vessels in skeletal muscles
6The enteric nervous system is a specialized part of the ANS that controls visceral effectors in the gut wall.
- ARichtig
- BFalsch
7Many autonomic effectors are dually innervated.
- ARichtig
- BFalsch
8They sympathetic division is also called the thoracolumbar division.
- ARichtig
- BFalsch
9They sympathetic division is the dominant controller of the body at rest.
- ARichtig
- BFalsch
10Sympathetic responses are usually widespread, involving many organ systems at once.
- ARichtig
- BFalsch
11Each efferent autonomic pathways is made up of [blank_start]autonomic[blank_end] [blank_start]nerves[blank_end], [blank_start]ganglia[blank_end], and [blank_start]plexuses[blank_end].
- Aautonomic
- Bnerves
- Cganglia
- Dplexuses
12[blank_start]Preganglionic[blank_end] neurons conduct impulses from the brain stem or spinal cord to an autonomic ganglion.
- APreganglionic
13Sympathetic ganglia located a short distance from the spinal cord are known as [blank_start]collateral[blank_end] ganglia.
- Acollateral
14Some postganglionic axons return to a spinal nerve by way of a short branch called the gray [blank_start]ramus[blank_end].
- Aramus
15Axon terminals of autonomic neurons release either acetylcholine or [blank_start]norepinephrine[blank_end].
- Anorepinephrine
16In the sympathetic division, preganglionic neurons are relatively [blank_start]short[blank_end] and postganglionic neurons are relatively [blank_start]long[blank_end].
- Ashort
- Blong
- Clong
- Dshort
17Norepinephrine affects visceral effectors by first binding to [blank_start]adrenergic[blank_end] receptors in their plasma membranes.
- Aadrenergic
- Bcholinergic
18The effect of a neurotransmitter on any postsynaptic cell is determined by the [blank_start]characteristics of the receptor[blank_end].
- Acharacteristics of the receptor
- Bneurotransmitter
19A [blank_start]nicotinic[blank_end] receptor is a main type of cholinergic receptor.
- Anicotinic
- Bbeta
20The action of acetylcholine is [blank_start]quickly[blank_end] terminated when hydrolyzed by the enzyme acetylcholinesterase
- Aquickly
- Bslowly
21Both sympathetic and parasympathetic divisions are tonically active, meaning they continually conduct impulses to autonomic effectors.
- ARichtig
- BFalsch
22Sympathetic impulses inhibit effectors and parasympathetic impulses stimulate effectors.
- ARichtig
- BFalsch
23Autonomic centers function in a hierarchy in their control of the ANS, with the highest ranking being the autonomic centers in the cerebral cortex.
- ARichtig
- BFalsch
24The sympathetic system plays a crucial role in maintaining blood pressure.
- ARichtig
- BFalsch
25They sympathetic system dominates during "rest and repair".
- ARichtig
- BFalsch
26[blank_start]autonomic nervous system[blank_end]: regulates body's involuntary effectors
[blank_start]autonomic neurons[blank_end]: efferent neurons that make up the ANS
[blank_start]preganglionic neurons[blank_end]: conduct impulses between the spinal cord and a ganglion
[blank_start]visceral effectors[blank_end]: tissues to which autonomic neurons conduct impulses
[blank_start]sympathetic system[blank_end]: division of ANS
[blank_start]somatic nervous system[blank_end]: voluntary actions- Aautonomic nervous system
- Bautonomic neurons
- Cpreganglionic neurons
- Dvisceral effectors
- Esympathetic system
- Fsomatic nervous system
27Dendrites and cell bodies of sympathetic preganglionic neurons are located in the:
- Abrain stem and sacral portion of the spinal cord
- Bsympathetic ganglia
- Cgray matter of the thoracic and upper lumbar segments of the spinal cord
- Dgnglia close to effectors
28Which of the following is not correct?
- ASympathetic preganglionic neurons have their cell bodies located in the lateral gray column of certain parts of the spinal cord
- BSympathetic preganglionic axons pass along the dorsal root of certain spinal nerves
- CThere are synapses within sympathetic ganglia
- DSympathetic responses are usually widespread, involving many organs
29Another name for the parasympathetic nervous system is:
- Athoracolumbar
- Bcraniosacral
- Cvisceral
- DANS
- Echolinergic
30Which statement is not correct?
- ASympathetic postganglionic neurons have their dendrite and cell bodies in sympathetic ganglion or collateral ganglia.
- BSympathetic ganglions are located in front of and at each side of the spinal column.
- CSeparate autonomic nerves distribute many sympathetic postganglionic axons to various internal organs.
- DVery few sympathetic preganglionic axons synapse with postganglionic neurons.
31constrict pupils
- Asympathetic control
- Bparasympathetic control
32bronchial relaxation
- Asympathetic control
- Bparasympathetic control
33increases sweat secretion
- Asympathetic control
- Bparasympathetic control
34increases secretion of digestive juices and insulin
- Asympathetic control
- Bparasympathetic control
35constricts blood vessels
- Asympathetic control
- Bparasympathetic control
36slows heartbeat
- Asympathetic control
- Bparasympathetic control
37relaxes bladder
- Asympathetic control
- Bparasympathetic control
38increases epinephrine secretion
- Asympathetic control
- Bparasympathetic control
39increases peristalsis
- Asympathetic control
- Bparasympathetic control
40contracts ciliary muscle to accommodate near vision
- Asympathetic control
- Bparasympathetic control
Informationen
- Beschreibung
- Study Guide: Autonomic Nervous System
- Autor
- Alexandra Bozan
- Sprache
- English
- Aufrufe
- 86
- Schlagwörter
- Bewertung
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