Basics

Question 1

Organization of Peripheral Nervous System?

Answer 1

• Peripheral = somatic and ANS

- ANS = parasympathetic and sympathetic

Question 2

Primary function of the ANS?

Answer 2

• conservation of energy
• resource replenishment and storage (anabolism)
• maintenance of organ function during periods of minimal activity

Question 3

Parasympathetic Activation effects?

Answer 3

• Decreases heart rate
• Stimulates GI function
• Stimulates secretions of glands
• Promotes bowel and bladder elimination
• Pupil constriction
• Bronchiole constriction
• Vasodilation

Question 4

Acetylcholine activates which receptors?

Answer 4

cholinergic or muscarinic receptors of the parasympathetic system

Question 5

Which nervous system does the following:

• Coordinates and maintains a steady state among visceral/internal organs
• Controls body functions such as cardiac output, blood volume, blood pressure, digestive processes
• Works by modifying tone of tissue smooth muscle and quantity of tissue secretions

Answer 5

autonomic nervous system

Question 6

Locations of Muscarinic receptors?

Answer 6

• Peripheral Nervous System
• motor cortex
• basal ganglia

Question 7

Parasympathetic (cholinergic) effect on the eye?

Answer 7

pupil constriction

Question 8

Parasympathetic (cholinergic) effect on the heart?

Answer 8

decreased HR

Question 9

Parasympathetic (cholinergic) effect on the lung?

Answer 9

bronchoconstriction and increased secretions

Question 10

Parasympathetic (cholinergic) effect on the bladder?

Answer 10

stimulates voiding through muscle contraction and sphincter relaxation

Question 11

Parasympathetic (cholinergic) effect on the GI tract?

Answer 11

increased salivation, secretions, tone, defecation

Question 12

Parasympathetic (cholinergic) effect on the sex organs?

Answer 12

erection

Question 13

Parasympathetic (cholinergic) effect on the blood vessels?

Answer 13

vasodilation

Question 14

Which nervous system is responsible for the fight or flight response ?

Answer 14

Sympathetic nervous system

Question 15

SNS response to stress?

Answer 15

• increased HR and BP
• glyogenolysis = increased blood sugar
• Bronchodilation
• pupils dilate
• Sphincters of stomach, intestine, urethra constrict
• Decreased secretion of exocrine glands
• Shunting of blood from skin and GI tract to skeletal muscles and brain
• increased mental activity

Question 16

Categories of adrenergic receptors?

Answer 16

• Alpha 1 & 2
• Beta 1 & 2
• Dopamine receptors

Question 17

Alpha 1 receptor activation response?

Answer 17

• sympathetic response
• vasoconstriction
• pupil dilation
• decreased UO

Question 18

Alpha 1 receptor activation response on vessels?

Answer 18

• arterioles constrict causing increased BP

Question 19

Alpha 1 receptor activation response on` eyes?

Answer 19

pupil dilation

Question 20

Alpha 1 receptor activation response on bladder?

Answer 20

decreases UO through the contraction of the bladder neck

Question 21

Alpha 1 receptor activation response on male sex organ?

Answer 21

causes ejaculation

Question 22

Alpha 2 receptor activation response?

Answer 22

• located in the CNS
• inhibits NE release in the periphery
• inhibits some PNS effects
• decrease BP and HR

Question 23

Alpha 2 receptor activation response on` vessels?

Answer 23

vasodilation through the inhibition of NE release

Question 24

Alpha 2 receptor activation response on` CO?

Answer 24

decreases CO by inhibiting NE release causing vasodilation

Question 25

Alpha 2 receptor activation response on`the PNS?

Answer 25

anticholinergic effect causing dry mouth and sedation

Question 26

Beta 1 receptor activation response on the heart?

Answer 26

• increased rate and force of contraction

- increased AV conduction

Question 27

Beta 1 receptor activation response on the kidneys?

Answer 27

stimulates the release of renin causing increases in BP and decrease in UO

Question 28

Beta 1 receptors work on which organs?

Answer 28

heart and kidneys

Question 29

Beta 2 receptor are primarily located where?

Answer 29

bronchials and uterus

Question 30

Beta 2 receptor activation response?

Answer 30

• vasodilation
• bronchodilation
• tocolysis (uterine relaxation)
• muscle contractions
• glycogenolysis

Question 31

Beta 2receptor activation response in the lungs?

Answer 31

causes bronchodilation

Question 32

Beta 2 receptor activation response on the uterus?

Answer 32

causes relaxation or tocolysis

Question 33

Beta 2 receptor activation response on the vessels?

Answer 33

vasodilation of the arterioles in the lungs, heart and skeletal muscles

Question 34

Beta 2 receptor activation response in muscle?

Answer 34

causes contractions and glycogenolysis

Question 35

Beta 2 receptor activation response in the liver?

Answer 35

glycogenolysis

Question 36

Dopamine receptors are found where?

Answer 36

in the vasculature of the kidneys

Question 37

Dopamine receptor activation response?

Answer 37

increases UO through vasodilation of the renal blood vessels

Question 38

PNS effects on the heart?

Answer 38

• decreased HR
• decreased force of contraction
• decreased conduction velocity

Question 39

SNS effects on the heart?

Answer 39

• increased HR
• increased force of contraction
• increased conduction velocity

Question 40

Which system is controls the sweat response?

Answer 40

SNS