Questão 1
Questão
Somatic motor and autonomic pathways share all of the following except:
Responda
-
direction of impulse conduction
-
effectors located outside the CNS
-
number of neurons between the CNS and effector
-
acetylcholine as a possible neurotransmitter
Questão 2
Questão
Within the sympathetic chain ganglion, the preganglionic fiber may:
Responda
-
synapse with a sympathetic postganglionic neuron
-
send an ascending branch through the sympathetic trunk
-
pass through chain ganglia and synapse in a collateral ganglion
-
all of the above
Questão 3
Questão
Beta receptors bind with:
Responda
-
acetylcholine.
-
norepinephrine.
-
toxin muscaine.
-
none of the above
Questão 4
Questão
Which of the following is not an example of sympathetic stimulation?
Responda
-
decreased heart rate
-
decreased secretion of the pancreas
-
constriction of the urinary sphincters
-
dilation of skeletal muscle blood vessels
Questão 5
Questão
"Fight or flight" physiologic changes include all of the following except:
Responda
-
increased conversion of glycogen to glucose
-
constriction of respiratory airways
-
increased perspiration
-
dilation of blood vessels in skeletal muscles
Questão 6
Questão
The enteric nervous system is a specialized part of the ANS that controls visceral effectors in the gut wall.
Questão 7
Questão
Many autonomic effectors are dually innervated.
Questão 8
Questão
They sympathetic division is also called the thoracolumbar division.
Questão 9
Questão
They sympathetic division is the dominant controller of the body at rest.
Questão 10
Questão
Sympathetic responses are usually widespread, involving many organ systems at once.
Questão 11
Questão
Each 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].
Responda
-
autonomic
-
nerves
-
ganglia
-
plexuses
Questão 12
Questão
[blank_start]Preganglionic[blank_end] neurons conduct impulses from the brain stem or spinal cord to an autonomic ganglion.
Questão 13
Questão
Sympathetic ganglia located a short distance from the spinal cord are known as [blank_start]collateral[blank_end] ganglia.
Questão 14
Questão
Some postganglionic axons return to a spinal nerve by way of a short branch called the gray [blank_start]ramus[blank_end].
Questão 15
Questão
Axon terminals of autonomic neurons release either acetylcholine or [blank_start]norepinephrine[blank_end].
Questão 16
Questão
In the sympathetic division, preganglionic neurons are relatively [blank_start]short[blank_end] and postganglionic neurons are relatively [blank_start]long[blank_end].
Questão 17
Questão
Norepinephrine affects visceral effectors by first binding to [blank_start]adrenergic[blank_end] receptors in their plasma membranes.
Questão 18
Questão
The effect of a neurotransmitter on any postsynaptic cell is determined by the [blank_start]characteristics of the receptor[blank_end].
Questão 19
Questão
A [blank_start]nicotinic[blank_end] receptor is a main type of cholinergic receptor.
Questão 20
Questão
The action of acetylcholine is [blank_start]quickly[blank_end] terminated when hydrolyzed by the enzyme acetylcholinesterase
Questão 21
Questão
Both sympathetic and parasympathetic divisions are tonically active, meaning they continually conduct impulses to autonomic effectors.
Questão 22
Questão
Sympathetic impulses inhibit effectors and parasympathetic impulses stimulate effectors.
Questão 23
Questão
Autonomic centers function in a hierarchy in their control of the ANS, with the highest ranking being the autonomic centers in the cerebral cortex.
Questão 24
Questão
The sympathetic system plays a crucial role in maintaining blood pressure.
Questão 25
Questão
They sympathetic system dominates during "rest and repair".
Questão 26
Questão
[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
Responda
-
autonomic nervous system
-
autonomic neurons
-
preganglionic neurons
-
visceral effectors
-
sympathetic system
-
somatic nervous system
Questão 27
Questão
Dendrites and cell bodies of sympathetic preganglionic neurons are located in the:
Responda
-
brain stem and sacral portion of the spinal cord
-
sympathetic ganglia
-
gray matter of the thoracic and upper lumbar segments of the spinal cord
-
gnglia close to effectors
Questão 28
Questão
Which of the following is not correct?
Responda
-
Sympathetic preganglionic neurons have their cell bodies located in the lateral gray column of certain parts of the spinal cord
-
Sympathetic preganglionic axons pass along the dorsal root of certain spinal nerves
-
There are synapses within sympathetic ganglia
-
Sympathetic responses are usually widespread, involving many organs
Questão 29
Questão
Another name for the parasympathetic nervous system is:
Responda
-
thoracolumbar
-
craniosacral
-
visceral
-
ANS
-
cholinergic
Questão 30
Questão
Which statement is not correct?
Responda
-
Sympathetic postganglionic neurons have their dendrite and cell bodies in sympathetic ganglion or collateral ganglia.
-
Sympathetic ganglions are located in front of and at each side of the spinal column.
-
Separate autonomic nerves distribute many sympathetic postganglionic axons to various internal organs.
-
Very few sympathetic preganglionic axons synapse with postganglionic neurons.
Questão 31
Responda
-
sympathetic control
-
parasympathetic control
Questão 32
Questão
bronchial relaxation
Responda
-
sympathetic control
-
parasympathetic control
Questão 33
Questão
increases sweat secretion
Responda
-
sympathetic control
-
parasympathetic control
Questão 34
Questão
increases secretion of digestive juices and insulin
Responda
-
sympathetic control
-
parasympathetic control
Questão 35
Questão
constricts blood vessels
Responda
-
sympathetic control
-
parasympathetic control
Questão 36
Responda
-
sympathetic control
-
parasympathetic control
Questão 37
Responda
-
sympathetic control
-
parasympathetic control
Questão 38
Questão
increases epinephrine secretion
Responda
-
sympathetic control
-
parasympathetic control
Questão 39
Questão
increases peristalsis
Responda
-
sympathetic control
-
parasympathetic control
Questão 40
Questão
contracts ciliary muscle to accommodate near vision
Responda
-
sympathetic control
-
parasympathetic control