Deck 5: Introduction to the Autonomic Nervous System

Question 1

Activation of the parasympathetic division will not directly reduce:

A) GI motility
B) Blood pressure
C) Urinary motility
D) Skeletal muscle contraction

Answer 1

Blood pressure

Question 2

The neurotransmitter common to both preganglionic fibers in the sympathetic and parasympathetic nervous system is:

A) Norepinephrine
B) Acetylcholine
C) Epinephrine
D) Serotonin

Answer 2

Acetylcholine

Question 3

The special property that allows cardiac and smooth muscle to initiate contraction on their own is:

A) Autorhythmicity
B) Biorhythmicity
C) Tachycardia
D) Bradycardia

Answer 3

Autorhythmicity

Question 4

Two structures that directly regulate visceral nerves are:

A) Hypothalamus and pituitary gland
B) Pituitary gland and medulla oblongata
C) Pituitary gland and pineal gland
D) Hypothalamus and medulla oblongata

Question 5

A patient with severe hypertension can be viewed as having an overstimulation of which receptor?

A) Beta-1
B) Beta-2
C) Alpha-1
D) Alpha-2

Question 6

Neurons innervating increased heart rate and breathing originate from the:

A) Cranial and sacral regions
B) Lumbar and sacral regions
C) Thoracic and lumbar regions
D) Cranial and lumbar regions

Question 7

Another name for the autonomic nervous system is:

A) Somatic nervous system
B) Sensory nervous system
C) Visceral nervous system
D) Spinal nervous system

Question 8

The function of the autonomic nervous system is to regulate the rate of:

A)Cardiac muscle contractions
B)Skeletal muscle contractions
C)Spinal reflexes
D)Sensory conduction

Question 9

What is the main chemical released by the medulla in sympathetic stimulation?

A) Norepinephrine
B) Acetylcholine
C) Dopamine
D) Epinephrine

Question 10

The ultimate purpose of the autonomic nervous system is to:

A)Increase the action of involuntary muscles in the body
B)Increase the action of voluntary muscle in the body
C)Maintain blood pressure in the body
D)Maintain homeostasis in the body

Question 11

A type of receptor located at sympathetic and parasympathetic ganglia is:

A) Nicotinic-m
B) Nicotinic-n
C) Muscarinic
D) Adrenergic

Question 12

A patient with asthma can benefit from taking a medication that stimulates which receptor?

A) Alpha-1
B) Alpha-2
C) Beta-1
D) Beta-2

Question 13

The term used to describe the complementary actions of either increasing or decreasing a response in the autonomic nervous system is:

A) Single autonomic innervation
B) Dual autonomic innervation
C) Bimodal autonomic innervation
D) Graded autonomic innervation

Question 14

Nomenclature used for sympathetic and parasympathetic branches is associated with neurotransmitters released from:

A) Postganglionic neurons
B) Preganglionic neurons
C) Sensory neurons
D) Somatic neurons

Question 15

If the heart of a frog were placed in a petri dish filled with oxygenated Ringer's solution,what other chemical would be essential to make it contract?

A) Norepinephrine
B) Acetylcholine
C) Serotonin
D) None

Question 16

A parasympathetic stimulating medication would be good for which condition?

A) Hypertension
B) Constipation
C) Diarrhea
D) Miosis

Question 17

Neurons innervating increased digestion and urinary output originate from the:

A) Lumbar and sacral regions
B) Thoracic and lumbar regions
C) Cranial and lumbar regions
D) Cranial and sacral regions

Question 18

Blood pressure is lowered by:

A) Decreasing sympathetic activity
B) Increasing parasympathetic activity
C) Decreasing parasympathetic activity
D) Increasing sympathetic activity

Question 19

A patient with tachycardia is experiencing:

A) Parasympathetic activation
B) Parasympathetic inhibition
C) Sympathetic activation
D) Sympathetic inhibition

Question 20

Patients undergoing a chemical stress test at a doctor's office could expect to receive an injection of which neurotransmitter?

A) Epinephrine
B) Acetylcholine
C) Serotonin
D) Dopamine