Autonomic Nervous System

Question 1

Radial Muscle to Iris

Answer 1

SYMP: NE to A-1

-contracts and pupil dilates

Question 2

Circular Muscle to Iris

Answer 2

PARA: AHc to Muscarinic

-contracts and pupil constricts

Question 3

Ciliary Muscle to Lens

Answer 3

SYMP: NE/Epi to B-2
-relaxes and lens accommodates for far vision
PARA: AHc to Muscarinic
-contracts and lens accommodates for near

Question 4

Salivary Glands

Answer 4

SYMP: NE/Epi to A-1
-thick, viscous saliva
PARA: AHc to Muscarinic
-copious, watery saliva

Question 5

Nasal Glands

Answer 5

SYMP: NE/Epi to A-1
-thick, viscous secretions
PARA: AHc to Muscarinic
-copious, watery secretions

Question 6

Lacrimal Ducts

Answer 6

SYMP: NE/Epi to A-1
-decreases
PARA: AHc to Muscarinic
-increases

Question 7

Gastric Secretions

Answer 7

SYMP: NE/Epi to A-1
-decrease
PARA: AHc to Muscarinic
-increase

Question 8

Pancreatic Secretions

1. Insulin
2. Glucagon
3. Exocrine

Answer 8

SYMP: NE to A-1
1. decrease
2. increase
3. decrease
PARA: AcH to Muscarinic
1. increase
2. decrease
3. increase

Question 9

Apocrine Sweat Glands

Answer 9

SYMP: NE/Epi to A-1

-increase (thick/odoriferous)

Question 10

Thermoregulatory Sweat Glands

Answer 10

• Cholingergic* SYMP: AHc to Muscarinic

- increase sweat to cool off the body

Question 11

Adrenal Medulla

Answer 11

SYMP: AHc to Nicotinic-2

• stimulated directly by pre-ganglionic neurons on the adrenal gland
• production/release of EPI 80% (and NE/dob)

Question 12

SA Node

Answer 12

SYMP: NE/Epi to B-1
-increase chronotropic (HR)
PARA: AHc to Muscarinic
-decrease chronotropic (HR)

Question 13

AV Node

Answer 13

SYMP: NE/Epi to B-1
-increase dromotropic (speed of conduction)

MINOR/mostly lack of sympathetic
PARA: AHc to Muscarinic
-decrease dromotropic (speed of conduction)

Question 14

Myocardial Contractile Fibers

Answer 14

SYMP: NE/Epi to B-1
-increase inotropic (strength of contraction)

MINOR/mostly lack of sympathetic
PARA: AHc to Muscarinic
-decrease inotropic (strength of contraction)

Question 15

Coronary Blood Vessels

Answer 15

SYMP: (normally)
NE/Epi to B-2
-dilation
NE/Epi to A-1 (in shock/excess of catecholamines/cocaine use)
-constriction

Maybe???
PARA: AHc to Muscarinic
-dilation

Question 16

Skin Blood Vessels

Answer 16

SYMP: NE/Epi to A-1

-constriction

Question 17

Abdominal Viscera Blood Vessels

Answer 17

SYMP: NE/Epi to A-1

-constriction

Question 18

Skeletal Muscles Blood Vessels

Answer 18

SYMP:
NE/Epi to A-1
-(adrenergic) constriction to divert blood flow to needed muscles
NE/Epi to B-2
-(cholinergic) dilation of blood flow to vital muscles

Question 19

Pulmonary Blood Vessels

Answer 19

SYMP: NE/Epi to A-1

-constriction to slow blood flow and increase gas exchange

Question 20

Renal Blood Vessels

Answer 20

SYMP: NE/Epi to A-1

-constriction caused by renin

Question 21

Systemic Veins

Answer 21

SYMP: NE/Epi to A-1

-constriction to increase venous return

Question 22

Renin Secretion

Answer 22

SYMP: NE/Epi to B-1

-direct effect on Juxtaglomerular Cells in the kidneys caused by renin

Question 23

Lungs

Answer 23

SYMP: NE/Epi to B-2

• bronchi/olar smooth muscle relaxation
• bronchi/oles dilation to increase gas exchange

Minor effects
PARA: AHc to Muscarinic
-bronchi/olar smooth muscle contraction
-bronchi/oles constrict

Question 24

Stomach and Intestinal Smooth Muscle

Answer 24

SYMP: NE/Epi to B-2
-smooth muscle relaxes causing decrease peristalsis and tone
PARA: AHc to Muscarinic
-smooth muscle contracts causing increase peristalsis and tone

Question 25

Sphincters

Answer 25

SYMP: NE/Epi to A-1 -contract to oppose digestions and absorption PARA: AHc to Muscarinic -dilate to favor digestions and absorption

Question 26

Gall Bladder/Bile Duct/Pancreatic Duct

Answer 26

SYMP: NE/Epi to B-2 -contract to oppose digestions and absorption PARA: AHc to Muscarinic -dilate to favor digestions and absorption

Question 27

Liver

Answer 27

SYMP: NE/Epi to B-2 -increase glycogenolysis and gluconeogenesis to increase BGL PARA: AHc to Muscarinic -increase glycogenesis for storage of glucose to glycogen

Question 28

Internal Sphincter of Bladder

Answer 28

SYMP: NE/Epi to A-1 -contracts to inhibit urination PARA: AHc to Muscarinic -relaxes for urination

Question 29

Smooth Muscle of Bladder Wall

Answer 29

SYMP: NE/Epi to B-2 -relaxes for urination PARA: AHc to Muscarinic -contracts for urination

Question 30

Genitals

Answer 30

``` SYMP: NE/Epi to A-1 Male - orgasm and ejaculation Female - ??? PARA: AHc to Muscarinic Male - erection of penis Female - ??? clitoral erection and vaginal engorgement/lubrication ```

Question 31

Skin

Answer 31

?*Cholinergic*? SYMP: AHc to Muscarinic | -piloerector muscles contract for heat production "goosebumps"

Question 32

Adipose Tissue

Answer 32

SYMP: NE/Epi to B-1 | -lipolysis breakdown of fat

Question 33

Metabolism

Answer 33

SYMP: NE/Epi to numerous receptors | -increase up to 100%

Question 34

Blood Coagulation

Answer 34

SYMP: NE/Epi to A-1 | -increase platelet activity/hemostasis/coagulation