Autonomic Nervous system

Question 1

The nervous system is divided into two major components known as the:

A)

Central nervous system and peripheral nervous system.

B)

Somatic and autonomic.

C)

Sympathetic and parasympathetic.

D)

Endocrine and autonomic.

Answer 1

central nervous system and peripheral nervous system

Question 2

The branch of the autonomic nervous system that controls vegetative functions such as digestion of food, is the:

A)

Central.

B)

Sympathetic.

C)

Somatic.

D)

Parasympathetic.

Answer 2

parasympathetic

Question 3

Autonomic nerves exit the central nervous system into specialized areas known as the:

A)

Somatic nervous system.

B)

Peripheral nervous system.

C)

Endocrine system.

D)

Autonomic ganglia.

Answer 3

autonomic ganglia

Question 4

Nervous tissue that exits the autonomic ganglia and terminates in various target tissues are referred to as:

A)

Preganglionic nerves.

B)

Autonomic nerves.

C)

Central nervous tissue.

D)

Postganglionic nerves.

Answer 4

postganglionic nerves

Question 5

The space that exists between nerve cells is known as the ________.

A)

Postganglionic region

B)

Preganglionic region

C)

Synapse

D)

Neuroeffector junction

Answer 5

synapse

Question 6

Sympathetic nerves arising from the collateral ganglia located in the abdominal cavity, when stimulated, cause all of the following EXCEPT:

Question 6 options:

A)

Bronchodilation.

B)

Relaxing of smooth muscle in the wall of the urinary bladder.

C)

Reduction of blood flow to abdominal organs.

D)

Release of glucose stores from the liver.

Answer 6

bronchodilation

Question 7

________ results in direct stimulation of the adrenal medulla resulting in the release of epinephrine (adrenalin) and norepinephrine (noradrenalin).

Question 7 options:

A)

Endocrine stimulation

B)

Sympathetic stimulation

C)

Parasympathetic stimulation

D)

Collateral stimulation

Answer 7

sympathetic stimulation

Question 8

Receptors located on organs located throughout the body that are stimulated by the release of norepinephrine and epinephrine are known as:

Question 8 options:

A)

Cholinergic receptors.

B)

Adrenergic receptors.

C)

Preganglionic receptors.

D)

Hormonal receptors.

Answer 8

adrenergic receptors

Question 9

Stimulation of ________ receptors results in peripheral vasoconstriction, mild bronchoconstriction, and stimulation of metabolism.

Question 9 options:

A)

Beta2

B)

Alpha1

C)

Beta1

D)

Alpha2

Answer 9

Alpha 1

Question 10

Stimulation of ________ result in an increase in heart rate, cardiac contractile force, increased automaticity, and increased conduction.

Question 10 options:

A)

Beta1

B)

Beta2

C)

Dopaminergic

D)

Alpha1

Answer 10

beta 1

Question 11

A medication that mimics the actions of the sympathetic nervous system such as epinephrine, is known as a/an:

Question 11 options:

A)

Sympathomimetic.

B)

Sympatholytic.

C)

Parasympatholytic.

D)

Parasympathomimetic.

Answer 11

sympathomimetic

Question 12

Stimulation of the ________ results in pupillary constriction, digestive gland secretion, bronchoconstriction, and reduction in heart rate and contractile force.

Question 12 options:

A)

Somatic nervous system

B)

Parasympathetic nervous system

C)

Adrenal gland

D)

Sympathetic ganglia

Answer 12

parasympathetic nervous system

Question 13

All preganglionic and postganglionic parasympathetic nerve fibers are stimulated by the neurotransmitter ________.

Question 13 options:

A)

Norepinephrine

B)

Dopamine

C)

Epinephrine

D)

Acetylcholine

Answer 13

acepylcholine

Question 14

The neurotransmitter responsible for transmitting impulses through somatic nerves is:

Question 14 options:

A)

Acetylcholinesterase.

B)

Dopamine.

C)

Acetylcholine.

D)

Norepinephrine.

Answer 14

acetycholine