Autonomic Nervous System (3)

Question 1

What are the similarities between the somatic and visceral efferents?

Answer 1

Effect on muscles

Exit through ventral root

Spinal nerves

Question 2

Does the autonomic nervous system have sympathetic and parasympathetic afferents?

Answer 2

No

Question 3

What are the sympathetic actions of the head/neck?

Answer 3

Pupil dilation

Decreases secretions

Question 4

What are the sympathetic actions of the heart?

Answer 4

Increase HR and force of contraction

Vasodilates coronary vessels

Question 5

What are the sympathetic actions of the lungs?

Answer 5

Bronchodilation

Decreases secretions

Question 6

What are the sympathetic actions of the limbs?

Answer 6

Vasomotor

Sweating

Piloerection

Question 7

What are the sympathetic actions of the liver?

Answer 7

Breaks down glycogen

Question 8

What are the sympathetic actions of the GI/GU?

Answer 8

Ejaculation

Decreases urination

Vasoconstrict blood vessels in GI system

Decreases peristalsis

Question 9

What are the sympathetic actions of the adrenal medulla?

Answer 9

Single neuron system to release adrenaline

Question 10

What are the parasympathetic actions of the head/neck?

Answer 10

Pupil constriction

Accommodation of lens

Increases secretions

Question 11

What are the parasympathetic actions of the heart?

Answer 11

Decreases HR and force of contraction

Vasoconstriction of coronary vessels

Question 12

What are the parasympathetic actions of the lungs?

Answer 12

Bronchoconstriction

Increases secretions

Question 13

What are the parasympathetic actions of the limbs?

Answer 13

Nothing

Question 14

What are the parasympathetic actions of the liver?

Answer 14

Glycogen synthesis

Question 15

What are the parasympathetic actions of the GI/GU?

Answer 15

Increases peristalsis and secretions

Increases urination

Increases blood flow for erection

Increases lubrication for vagina

Question 16

What does autonomic innervation to the limbs include?

Answer 16

Sympathetic innervation

Question 17

Where do the bodies of the lateral and medial corticospinal tracts live?

Answer 17

Primary motor cortex (frontal lobe)

Question 18

Where does force production occur in the brain?

Answer 18

Primary motor cortex

Question 19

What does the ganglia contain?

Answer 19

Cell bodies

Question 20

What does the pre vertebral ganglia do?

Answer 20

Takes info to abdominal pelvic region

Question 21

What do the cardiopulmonary and abdominopelvic splanchnic do?

Answer 21

Sympathetic info to the organs

Question 22

How does the parasympathetic carry information?

Answer 22

Via cranial nerves

Question 23

What would be impairments in someone with autonomic dysfunction?

Answer 23

High HR

Cannot regulate body temp

Fatigue

Sexual dysfunction

Question 24

What can carry visceral afferent information?

Answer 24

Cranial nerve 9

Vagus

Abdominopelvic splanchic

Cardiopulmonary splanchic

Pelvic splanchic

Question 25

Where are the cell bodies of the SNS?

Answer 25

Lateral horn of T1-L2/3

Question 26

Where are the cell bodies of the pelvic splanchic?

Answer 26

Lateral horn of S2-S4

Question 27

What carries PNS information?

Answer 27

Vagus nerve