Chapter 12 Autonomic Nervous System
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The automatic nervous system is the part of our body that takes care of functions we don’t deal with directly, such as breathing, the beating of the heart and the digestion of food. What do you know about this extremely crucial system, find out in this quiz on Chapter 12 Autonomic Nervous System.
- 1.Which of the following is most related to the "feed and breed" system?
- A.
Pyramidal tracts
- B.
Sympathetic nervous system
- C.
Cranialsacral outflow
- D.
Rapid heart rate, palpitations, sweating
- 2.Which of the following is most characteristic of the parasympathetic nervous system?
- A.
Adrenergic
- B.
Norepinephrine
- C.
Fight or flight
- D.
Feed and breed
- 3.Which neurotransmitter is secreted by a cholinergic fiber?
- A.
Adrenaline
- B.
Epinphrine
- C.
Acetylcholine
- D.
Norepinephrine
- 4.What is another term for thorcolumbar outflow?
- A.
Vagal discharge
- B.
Parasympathetic nervous system
- C.
Sympathetic nervous system
- D.
Limbic system
- 5.Which of the following is not an effector organ for the autonomic nerves?
- A.
Skeletal muscle
- B.
Visceral smooth muscle
- C.
Glands
- D.
Cardiac muscle
- 6.Which of the following is characteristic of the parasympathetic nervous system?
- A.
Fight or flight
- B.
Thoracolumbar
- C.
Paravertebral ganglia
- D.
Postganglionic fiver is cholinergic
- 7.Which of the following is a characteristic of the sympathetic nervous system?
- A.
Craniosacral outflow
- B.
Cholinergic fibers only
- C.
Paravertebral ganglia
- D.
Postganglionic transmitter is ACh
- 8.The effects of adrenal medullary secretion most resemble
- A.
Craniosacral outflow
- B.
Firing of the somatic motor neurons
- C.
Sympathetic nerve discharge
- D.
Vagal discharge
- 9.An adrenergic fiber is one that
- A.
Innervates the adrenal medulla
- B.
Is a preganglionic fiber
- C.
Originates in the midbrain
- D.
Secretes norepinephrine as its transmitter
- 10.Which of the following is an adrenergic fiber?
- A.
Postganglionic parasympathetic
- B.
Preganglionic sympathetic
- C.
Preganglionic parasympathetic
- D.
Postganglionic sympathetic
- 11.Sympathetic and parasympathetic nerves
- A.
Are somatic motor neurons
- B.
Supply voluntary skeletal muscles
- C.
Include the phrenic, sciatic, and brachial nerves
- D.
Innervate the viscera
- 12.A drug that causes the heart to beat stronger and faster is called
- A.
Parasympatholytic
- B.
Sympathomimetic
- C.
Sympatholytic
- D.
Anticholinergic
- 13.Which of the following is an effect of postganglionic parasympathetic discharge?
- A.
Slowed heart rate
- B.
Increased blood pressure
- C.
Dilation of the pupil of the eye
- D.
Stronger contraction of the heart
- 14.Vasomotor tone is
- A.
A vasoconstrictor effect caused by background firing of the sympathetic nerves
- B.
A vagally induced peripheral vasodilation
- C.
Casued by parasympathomimetic drugs
- D.
Caused by sympatholytic drugs
- 15.Paravertebral ganglia
- A.
Are part of the craniosacral outflow
- B.
"drive" the vagus nerve
- C.
Are located within the organs of innervation
- D.
Are also called the sympathetic chain ganglia
- 16.Which of the following is least descriptive of thoracolumbar outflow?
- A.
Fight or flight
- B.
Muscarinic and nicotine receptors
- C.
Sympathetic nervous system
- D.
Paravertebral ganglia
- 17.Alpha and beta receptors are
- A.
Associated with the parasympathetic nervous system
- B.
Associated with craniosacral outflow
- C.
Located on the paravertebral ganglia
- D.
Activated by norepinephrine
- 18.Which of the following is least associated with monoamine oxidase (MAO)?
- A.
Enzyme that degrades norepinephrine
- B.
Found within all cholinergic nerve terminals
- C.
Associated with sympathetic activity
- D.
Associated with adrenergic fibers
- 19.A beta1 adrenergic agonist
- A.
Increases heart rate
- B.
Causes the release of acetylcholine
- C.
Blocks the effects of norepinephrine at its receptor site
- D.
Lowers blood pressure
- 20.Atropine is classified as a muscarinic antagonist or blocker ad therefore is
- A.
Parasympathomimetic
- B.
Sympatholytic
- C.
Vagolytic
- D.
Sympathomimetic
- 21.Muscarinic recptors are
- A.
Activated by norepinephrine
- B.
Located on the effector organs of the sympathetic nervous system
- C.
Activated by catecholamines such as adrenalin and dopamine
- D.
Activated by ACh
- 22.Which of the following is least true of the vagus nerve?
- A.
Cholinergic
- B.
Slows heart rate
- C.
Its effect on the heart is eliminated by a beta1 adrenergic blocker
- D.
Its transmitter is ACh
- 23.Vagal discharge activates
- A.
Muscarinic receptors
- B.
Alpha1 adrenergic receptors
- C.
Beta1 adrenergic receptors
- D.
The paravertebral ganglia
- 24.Sympathetic nervous system stimulation causes vasoconstriction of the blood vessels, thereby elevating blood pressure. Which of the following drug classifications lowers blood pressure?
- A.
Vagolytic
- B.
Sympatholytic
- C.
Parasympathopmimetic
- D.
Vagomimetic
- 25.Sympathetic nerve stimulation causes relaxation of the breathing passages (bronchodilation). Which of the following drug classifications achieves this effect?
- A.
Beta2 adrenergic agonist
- B.
Alpha1 adrebergic blocker
- C.
Vagomimetic
- D.
Parasympathomimetic
Questions: 15 | Attempts: 62096 | Last updated: Jul 14, 2020
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