chapter 14

Question 1

ANS is part of the

Answer 1

PNS

Question 2

ANS sometimes called

Answer 2

involuntary nervous system

Question 3

functions of ANS

Answer 3

• function independently and continuously
  -no conscious effect
• control visceral activities
  controls activities to maintain homeostasis
• responds during time of emotional stress or physical activity

Question 4

how does the ANS control visceral activities

Answer 4

regulating
- smooth muscles
cardiac muscles
various glands

Question 5

sympathetic

Answer 5

fight or flight - mobilizes body for action

Question 6

parasympathetic

Answer 6

rest and digest- conserves energy

Question 7

agonists

Answer 7

if sympathetic stimulates the gland to secrete the parasympathetic inhibits the glands secretion

Question 8

sympathetic divsion

Answer 8

OoF- thoracolumbar region of the spinal cord
Length of fiber- short preganglionic and long postganglionic
location of ganglia- close to spinal cord

Question 9

parasympathetic division

Answer 9

OoF- brain and sacral spinal cord
Length of fibers- long preganglionic and short postganglionic
location of ganglia- in the visceral effector organs

Question 10

skipped slide 6

Answer 10

skipped slide 7 ask about them and 8

Question 11

what largely controls ANS

Answer 11

brain and spinal cord

Question 12

helps regulate body temp., hunger, thirst, water and electrolyte balance by influencing autonomic pathways

Answer 12

hypothalamus

Question 13

what controls ANS during emotional distress

Answer 13

limbic system and cerebral cortex

Question 14

sympathetic fiber exhibit sympathetic tones

Answer 14

• increase respiratory and heart rate
• raise BP by constricting vessels
• lower BP by dilating vessels
• inhibit digestion and elimination