Effects of Sympathetic and Parasympathetic nervous systems - CH 13

Question 1

What are the effects of the sympathetic vs. parasympathetic nervous system on the heart rate?

Answer 1

S - increases

P - decreases

Question 2

What are the effects of the sympathetic vs. parasympathetic nervous system on the force of heart contraction?

Answer 2

S - increases

P - no significant effect

Question 3

What are the effects of the sympathetic vs. parasympathetic nervous system on the diameter of bronchioles?

Answer 3

S - increases (dilates)

P - Decreases (constricts)

Question 4

What are the effects of the sympathetic vs. parasympathetic nervous system on the Diameter of the pupils?

Answer 4

S - increases (dilates)

P - decreases (constricts)

Question 5

What are the effects of the sympathetic vs. parasympathetic nervous system on the gastrointestinal motility, secretions, and blood flow?

Answer 5

S - decreases

P - increases

Question 6

What are the effects of the sympathetic vs. parasympathetic nervous system on the diameter of skin blood vessels?

Answer 6

S - decreases

P - no significant effect

Question 7

What are the effects of the sympathetic vs. parasympathetic nervous system on the diameter of muscle blood vessels?

Answer 7

S - increases

P - no significant effect

Question 8

What are the effects of the sympathetic vs. parasympathetic nervous system on the diameter of blood vessels to kidney?

Answer 8

S - decreases

P - no significant effect

Question 9

The sympathetic nervous system is often called the?

Answer 9

flight-or-flight system - meaning that this is the system that helps the body cope with emergency situations

Question 10

The parasympathetic nervous system could be called?

Answer 10

the rest-and-restore system because of its ability to decrease the strong excitatory effects of the fight-or-flight system and its ability to facilitate all the processes that will replace those body stores used up during the emergency (restore).

Question 11

The sympathetic nervous system primarily uses __________ as its key neurotransmitter.

Answer 11

norepinephrine

Question 12

The autonomic nervous system controls autonomic functions at the?

Answer 12

subconscious level

Question 13

Sympathetic nervous system is also called?

Answer 13

thoracolumbar system

Question 14

Why is the sympathetic nervous system called the thoracolumbar system?

Answer 14

because the nerves emerge from thoracic and lumbar vertebral regions

Question 15

The autonomic functions are performed by two divisions of the autonomic nervous system?

Answer 15

Sympathetic and parasympathetic

Question 16

Where do the parasympathetic nervous system nerves emerge from?

Answer 16

the brain and sacral vertebral regions (cranial and sacral)

Question 17

Two other transmitters besides norepinephrine are?

Answer 17

Adrenergic neurons and epinephrine

Question 18

Adrenergic neurons are neurons that release?

Answer 18

norepinephrine

Question 19

Epinephrine and norepinephrine also released from?

Answer 19

adrenal medulla