Chap 14

Question 1

Sympathetic division

Answer 1

fight or flight

-increase metabolism

Question 2

Parasympathetic division

Answer 2

Rest and Digest

• decreases metabolic rate
• increases blood flow

Question 3

ANS stimulated by

Answer 3

interceptors

Question 4

Organization of ANS

Answer 4

motor neurons originate in CNS w/ visceral motor neurons located in Autonomic ganglia outside CNS

Question 5

Visceral Motor Neuron

Answer 5

in hypothalamus, synapse with

Question 6

Preganglionic neuron

Answer 6

location of cell bodies, synapse with

Question 7

Ganglion neuron

Answer 7

which synapse on visceral effectors

Question 8

Where are Preganglionic cell bodies in the sympathetic NS

Answer 8

btwn T1 and L2

Question 9

Sympathetic division Is called the

Answer 9

thoracolumbar division

Question 10

3 locations of ganglionic cell bodies

Answer 10

• Sympathetic chain ganglia
• collateral ganglia
• Adrenal medulla

Question 11

Sympathetic chain ganglia

Answer 11

chain of ganglia running along each side of vertebral column

Question 12

Collateral ganglia

Answer 12

• outside sympathetic chain

- splanchnic nerve innervates 3 collateral ganglia

Question 13

Adrenal Medulla

Answer 13

=suprarenal medullae

Question 14

Nature of ganglionic fibres

Answer 14

short axons, release neurotransmitters into a capillary that act as hormones to affect target cells throughout body

Question 15

Main neurotransmitter released by Postganglionic Fibres

Answer 15

NE- norepinephrine

Question 16

Adrenal medulla cells are said to be ____ because the can release NTs that act as hormones

Answer 16

neuroendocrine

Question 17

Cells can only respond to a chemical messenger if they have _____ for that messenger in the cell membrane or inside the cell

Answer 17

Receptors

Question 18

Effect of NE and E binding to receptors on target: stimulate __ ______ within cell

Answer 18

2nd messengers

Question 19

Location of Preganglionic cell bodies in parasympathetic division

Answer 19

brain stem and sacral segments of the spinal cord

Question 20

Parasympathetic Division is called the

Answer 20

craniosacral division

Question 21

location of ganglionic cell bodies

Answer 21

• Terminal ganglia: near Target organ

- Intramural: Internal

Question 22

ANS consists of a 2 neuron pathway connected by ganglion, the pathways are

Answer 22

preganglionic and postganglionic

Question 23

All preganglionic neurons arise from the CNS and use _____ as a NT; postganglionic cells of the sympathetic division use _____and postganglionic cells in the parasympathetic division use ______

Answer 23

acetylcholine, NE, acetylcholine