Anatomy Chapter 12
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A & P 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
- 26.A preoperative patient recieved an antimuscarinic drug (atropine). What drug-related postoperative consequence is he likely to expierence?
- A.
Decreases heart rate
- B.
Difficult urination
- C.
Elevated blood pressure
- D.
Excess salivation
- 27.A patient has vagally induced bradycardia (slow heart rate). Which of the following will relieve the bradycardia?
- A.
Muscarinic antagonist
- B.
Beta1 adrenergic blocker
- C.
Vagomimetic
- D.
Alpha1 adrenergic agonist
- 28.Which of the following is most descriptive of dual innervation of the autonomic nervous system?
- A.
Muscarinic and nicotonic
- B.
Alpha and beta
- C.
Sympathetic and parasympathetic
- D.
Beta1 and beta2
- 29.Which group is incorrect?
- A.
Adrenergic receptors: alpha, beta
- B.
Cholinergic receptors: muscarinic, nicotonic
- C.
Neurotransmitters: norepinephrine, ACh, dopamine
- D.
Sympathetic responses: decreased blood pressure, decreased heart rate, anxiety
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