PNS and SNS Flashcards by Emily Worley | Brainscape

Q

pupils

A

PNS: constricts pupils
SNS: dilates pupils

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

saliva production

A

PNS: stimulates
SNS: inhibits

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

stomach, pancreas, intestines

A

PNS: stimulates
SNS: inhibits

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

urination

A

PNS: stimulates
SNS: inhibits

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How does the PNS affect the heart?

A

decreased HR
slight decrease in contractility
muscarinic

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How does the SNS affect the heart?

A

increased HR and contractility

- beta 1 & 2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How does the PNS affect the lungs?

A

bronchoconstriction
increased bronchial secretion
muscarinic

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How does the SNS affect the lungs?

A

-bronchodilation (beta 2)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How does the PNS affect arterioles?

A

no PNS innervation

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How does the SNS affect arterioles?

A

Vasoconstriction of skin and viscera (alpha-1, -2)

- Vasodilation of skeletal muscle and liver (beta-2)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How does the PNS affect the liver?

A

glycogen synthesis (muscarinic)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How does the SNS affect the liver?

A

Glycogenolysis, gluconeogenesis (alpha & beta 2)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly