ANS 1

Question 1

where do pre-ganglionic fibres originate from?

Answer 1

CNS

Question 2

where do post-ganglionic fibres originate from?

Answer 2

autonomic ganglia

Question 3

where in the CNS do sympathetic pre-ganglionic fibres originate?

Answer 3

thoracolumbar

Question 4

where in the CNS do parasympathetic pre-ganglionic fibres originate?

Answer 4

craniosacral

Question 5

where in the CNS do sympathetic post-ganglionic fibres originate?

Answer 5

• paravertebral chain

- prevertebral ganglia

Question 6

where in the CNS do parasympathetic post-ganglionic fibres originate?

Answer 6

in or near target organ

Question 7

what innervation controls pupillary dilator muscle?

Answer 7

sympathetic

Question 8

what is another term for pupillary dilation?

Answer 8

mydriasis

Question 9

what innervation controls pupillary constrictor muscle?

Answer 9

parasympathetic

Question 10

what is another term for pupillary constriction?

Answer 10

miosis

Question 11

when bladder is filling, what part of ANS controls predominantly?

Answer 11

sympathetic

• relaxation of detrusor muscle
• contraction of internal sphincter muscle

Question 12

when bladder is full, what part of ANS controls predominantly?

Answer 12

parasympathetic

• contraction of detrusor muscle
• relaxation of internal sphincter muscle

Question 13

what are the effects of parasympathetic innervation?

Answer 13

“rest and digest”

Question 14

what are the effects of sympathetic digestion?

Answer 14

“fight or flight”

Question 15

what do chromaffin cells release?

Answer 15

• adrenaline (80%)

- noradrenaline (20%)

Question 16

where do pre-ganglionic sympathetic fibres synapse?

Answer 16

on chromaffin cells

Question 17

what synapses on chromaffin cells?

Answer 17

pre-ganglionic sympathetic fibres

Question 18

what effect does the parasympathetic nervous system have on the heart?

Answer 18

decreases HR

Question 19

what effect does the sympathetic nervous system have on the heart?

Answer 19

• increases HR

- increases force of contraction

Question 20

what effect does the parasympathetic nervous system have on the digestive tract?

Answer 20

increases motility and secretion

Question 21

what effect does the sympathetic nervous system have on the digestive system?

Answer 21

decreases motility and secretion

Question 22

what effect does the parasympathetic nervous system have on the lungs?

Answer 22

bronchoconstriction

Question 23

what effect does the sympathetic nervous system have on the lungs?

Answer 23

bronchodilation

Question 24

what effect does the parasympathetic nervous system have on the urinary bladder?

Answer 24

release of urine

Question 25

what effect does the sympathetic nervous system have on the urinary bladder?

Answer 25

urinary retention

Question 26

what effect does the parasympathetic nervous system have on the eye?

Answer 26

constricts (miosis)

Question 27

what effect does the sympathetic nervous system have on the eye?

Answer 27

dilates (mydriasis)

Question 28

what effect does the parasympathetic nervous system have on the male sexual organs?

Answer 28

erection

Question 29

what effect does the sympathetic nervous system have on the male sexual organs?

Answer 29

ejaculation

Question 30

what effect does the sympathetic nervous system have on the male sexual organs?

Answer 30

ejaculation

Question 31

what effect does the parasympathetic nervous system have on the blood vessels?

Answer 31

no effect (mostly)

Question 32

what effect does the sympathetic nervous system have on the blood vessels?

Answer 32

constriction (mostly)

Question 33

what effect does the parasympathetic nervous system have on the salivary glands?

Answer 33

increases secretion

Question 34

what effect does the parasympathetic nervous system have on the sweat glands?

Answer 34

no effect

Question 35

what effect does the sympathetic nervous system have on the sweat glands?

Answer 35

increases secretion

Question 36

what effect does the parasympathetic nervous system have on the liver?

Answer 36

no effect

Question 37

what effect does the sympathetic nervous system have on the liver?

Answer 37

- glycogenolysis | - gluconeogenesis

Question 38

what effect does the parasympathetic nervous system have on pilomotors?

Answer 38

no effect

Question 39

what effect does the sympathetic nervous system have on pilomotors?

Answer 39

piloerection