Chapter 11: ANS Flashcards
The sympathetic division of the ANS is also called the
a. somatic division
b. thoracolumbar division
c. peripheral nervous system
d. voluntary nervous system
e. craniosacral division
b. thoracolumbar division
The output portion of the ANS includes:
a. two motor neurons and one ganglion
b. one motor neuron and two ganglia
c. two motor neurons and two ganglia
d. one motor and one sensory neuron, and no ganglia
e. one motor and one sensory neuron, and one ganglion
a. two motor neurons and one ganglion
Which statement is NOT true?
a. most sympathetic postganglionic neurons release norepinephrine.
b. parasympathetic preganglionic neurons release acetylcholine.
c. sympathetic effects are more localized and short-lived than parasympathetic effects.
d. the effects from norepinephrine tend to be long-lasting
e. branches of a single postganglionic neuron in the sympathetic division extend to many organs.
c. sympathetic effects are more localized and short-lived than parasympathetic effects.
Which of the following pairs are mismatched?
a. acetylcholine - parasympathetic nervous system
b. fight-or-flight - sympathetic nervous system
c. conserves body energy - parasympathetic nervous system
d. rest-and-digest - parasympathetic nervous system
e. norepinephrine - parasympathetic nervous system
e. norepinephrine - parasympathetic nervous system
Which of the following statements is NOT true concerning the autonomic nervous system?
a. most autonomic responses cannot be consciously controlled.
b. in general, if the sympathetic division increases the activity in a specific organ, then the parasympathetic division decreases the activity of that organ.
c. sensory receptors monitor internal body conditions
d. sensory neurons include pre- and postganglionic neurons.
e. most visceral effectors receive dual innervation.
d. sensory neurons include pre- and postganglionic neurons
Which part of the central nervous system regulates autonomic tone?
a. hypothalamus
b. cerebellum
c. spinal cord
d. limbic system
e. thalamus
hypothalamus
Place the following structures in the correct order as they relate to an autonomic nervous system response from receipt of the stimulus to response:
- visceral effector
- centers in the CNS
- autonomic ganglion
- receptor and autonomic sensory neuron
- preganglionic neuron
- postganglionic neuron
a. 4, 5, 2, 3, 6, 1
b. 5, 6, 2, 3, 1, 4
c. 1, 6, 3, 5, 2, 4
d. 4, 2, 5, 3, 6, 1
e. 2, 4, 5, 6, 3, 1
d. 4, 2, 5, 3, 6, 1
Which of the following activities would NOT be monitored by autonomic sensory neurons?
a. carbon dioxide levels in the blood.
b. hearing and equilibrium
c. blood pressure
d. stretching of the walls of visceral organs.
e. nausea from damaged viscera.
b. hearing and equilibrium
The autonomic ganglia that are located near the innervated organs are…
a. trunk ganglia
b. prevertebral ganglia
c. posterior root ganglia
d. terminal ganglia
e. basal ganglia
d. terminal ganglia
Which of these statements about the parasympathetic division of the ANS is NOT true? The parasympathetic division…
a. arises from the cranial nerves in the brain stem and sacral spinal cord segments.
b. is concerned with conserving and restoring energy.
c. uses acetylcholine as its neurotransmitter.
d. has ganglia near or within visceral effectors.
e. initiates responses in a preganglionic neuron that synapses with 20 or more postganglionic neurons.
e. initiates responses in a preganglionic neuron that synapses with 20 or more postganglionic neurons.
Which nerve carries most of the parasympathetic output from the brain?
a. spinal
b. vagus
c. oculomotor
d. facial
e. glossopharyngeal
b. vagus
Which of the following would NOT be affected by the ANS?
a. heart
b. intestines
c. urinary bladder
d. skeletal muscle
e. reproductive organs
d. skeletal muscle
Which of the following neurons release norepinephrine?
a. somatic motor neurons
b. sympathetic postganglionic neurons
c. sympathetic preganglionic neurons
d. parasympathetic postganglionic neurons
e. parasympathetic preganglionic neurons
b. sympathetic postganglionic neurons
Match the following functions with the right word:
cluster of cell bodies outside the CNS
ganglion
Match the following functions with the right word:
cell body located in ganglion; unmyelinated axon extends to effector
postganglionic neuron
Match the following functions with the right word:
cell body lies inside the CNS; myelinated axon extends to ganglion
preganglionic neuron
Match the following functions with the right word:
their postganglionic axons innervate organs below the diaphragm
prevertebral ganglia
Match the following functions with the right word:
their postganglionic axons supply organs above the diaphragm
sympathetic trunk ganglia
Match the following functions with the right word:
contain the cell bodies and dendrites of parasympathetic postganglionic neurons
terminal ganglia
Does the following refer to an increased activity of the parasympathetic division or of the sympathetic division?
dilates pupils
sympathetic
Does the following refer to an increased activity of the parasympathetic division or of the sympathetic division?
decreases heart rate
parasympathetic
Does the following refer to an increased activity of the parasympathetic division or of the sympathetic division?
causes airway constriction
parasympathetic
Does the following refer to an increased activity of the parasympathetic division or of the sympathetic division?
stimulates breakdown of triglycerides
sympathetic
Does the following refer to an increased activity of the parasympathetic division or of the sympathetic division?
inhibits secretion from digestive organs
sympathetic
Does the following refer to an increased activity of the parasympathetic division or of the sympathetic division?
stimulates the digestive tract
parasympathetic
Does the following refer to an increased activity of the parasympathetic division or of the sympathetic division?
occurs during exercise
sympathetic
Does the following refer to an increased activity of the parasympathetic division or of the sympathetic division?
causes release of glucose from the liver
sympathetic
Does the following refer to an increased activity of the parasympathetic division or of the sympathetic division?
dilates blood vessels to cardiac muscle
sympathetic
