Autonomic Nervous System

Question 1

What is the desired response to manage asthma with bronchospasm?

• Sympathetic
• Parasympathetic

Answer 1

Sympathetic

Question 2

An asthmatic attack with bronchospasm is due to which effect?

• Sympathetic
• Parasympathetic

Answer 2

Parasympathetic

Question 3

What is the response of the heart during exercise?

• Sympathetic
• Parasympathetic

Answer 3

Sympathetic

Question 4

What is the response of the pupil when light is flashed on the eye?

• Sympathetic
• Parasympathetic

Answer 4

Parasympathetic

Question 5

What is the response of vagus nerve stimulation to the heart?

• Sympathetic
• Parasympathetic

Answer 5

Parasympathetic

Question 6

What is the response to stress or emergency situations requiring immediate action?

• Sympathetic
• Parasympathetic

Answer 6

Sympathetic

Question 7

Erection is a ______ response.

• Sympathetic
• Parasympathetic

Answer 7

Parasympathetic

Question 8

What is the response on the pupil in a dark room?

• Sympathetic
• Parasympathetic

Answer 8

Sympathetic

Question 9

The response of B2 receptors on smooth muscles of blood vessels cause:

• Vasodilation
• Vasoconstriction

Answer 9

Vasodilation

Question 10

Voiding and defecation are possible through ______ action.

• Sympathetic
• Parasympathetic

Answer 10

Parasympathetic

Question 11

What is the effect of sympathetic stimulation in the iris of the eye?

• Pupillary constriction
• Pupillary dilation
• No effect
• Pupillary constriction then dilation

Answer 11

Pupillary dilation

Question 12

Which division of ANS has a fight and flight response?

• Sympathetic
• Parasympathetic
• Enteric
• None of these

Answer 12

Sympathetic

Question 13

Activation of which adrenergic receptors cause relaxation or decreased activity of effector cells?

• Beta receptors
• Alpha receptors

Answer 13

Beta receptors

Question 14

Which does not belong to the group?

• Increased sweating
• Pupillary dilation
• Increased heart rate
• None of the above

Answer 14

None of the above

Question 15

Parasympathetic fibers are carried by:

• Thoracolumbar spinal cord
• Cranial nerves III, IV, VI
• Sacral cord only
• Brain stem only
• None of the above

Answer 15

None of the above

Question 16

Muscarinic and nicotinic refer to receptors of the parasympathetic nervous system.

• True
• False

Answer 16

True

Question 17

Increased sympathetic discharge increases heart rate.

• True
• False

Answer 17

True

Question 18

In an asthmatic attack, smooth muscles in bronchioles undergo spasm which is a parasympathetic response.

• True
• False

Answer 18

True

Question 19

During exercise, sympathetic responses include vasodilation of coronary arteries in the heart.

• True
• False

Answer 19

True

Question 20

Cranial nerves III, VII, IX, and X carry parasympathetic functions.

• True
• False

Answer 20

True

Question 21

The sympathetic response of blood vessels and skeletal muscles during exercise is vasoconstriction.

• True
• False

Answer 21

False

Question 22

Parasympathetic functions promote digestion and absorption of food.

• True
• False

Answer 22

True

Question 23

In parasympathetic discharge, piloerector muscles contract causing hairs on the skin to stand.

• True
• False

Answer 23

False

Question 24

The pupillary constriction as a response to light is a sympathetic function of the oculomotor nerve.

• True
• False

Answer 24

False

Question 25

The vagus nerve has the most extensive distribution of sympathetic fibers to several organs. - True - False

Answer 25

False

Question 26

Which of the following is TRUE in both the autonomic and the somatic division? - Both have a stimulatory effect - Both of their effectors synapse with ganglionic neurons - Both release epinephrine to stimulate response to end organs - None of the above

Answer 26

Both have a stimulatory effect

Question 27

Which of the following pairs of autonomics and neurotransmitters is TRUE? - Preganglionic sympathetic fiber - norepinephrine - Postganglionic sympathetic fiber - norepinephrine - Preganglionic parasympathetic fiber - norepinephrine - Postganglionic parasympathetic fiber - norepinephrine

Answer 27

Postganglionic sympathetic fiber - norepinephrine

Question 28

Which of the following activities is a result of increased cholinergic discharge? - Contraction of pyloric sphincter - Penile erection - Uterine contraction (non-pregnant females) - Lypolysis

Answer 28

Penile erection

Question 29

Which of the following responses DOES NOT occur in increased adrenergic activity? - Glycogenesis - Glycogenolysis - Increased rate of blood coagulation - Copious sweating

Answer 29

Glycogenesis

Question 30

TRUE of neurotransmitters: - Acetylcholine’s effect to end organs are long duration. - Norepinephrine, epinephrine and acetylcholine are found circulating in the blood. - Epinephrine comes from adrenal medulla. - Monoamine oxidase helps synthesize epinephrine.

Answer 30

Epinephrine comes from adrenal medulla.

Question 31

The pupillary constriction as a response to light is a parasympathetic function of the oculomotor nerve. - True - False

Answer 31

True