Muscle (2) Flashcards Preview

Cell Path > Muscle (2) > Flashcards

Flashcards in Muscle (2) Deck (24)
Loading flashcards...
1
Q

skeletal muscle:

function

A

voluntary movement

2
Q

cardiac muscle:

function

A

rhythmic heartbeat

3
Q

smooth muscle:

function

A

organ contraction

4
Q

skeletal muscle:

innervation (somatic motor/autonomic)

A

somatic motor

5
Q

cardiac muscle:

innervation (somatic motor/autonomic)

A

autonomic

6
Q

smooth muscle:

innervation (somatic motor/autonomic)

A

autonomic

7
Q

skeletal muscle:

innervation pattern

A

one synapse per fiber (neuromuscular junction)

8
Q

cardiac muscle:

innervation pattern

A

innervate pacemakers

not all cells innervated

9
Q

smooth muscle:

innervation pattern

A

not all cells innervated

10
Q
skeletal muscle:
simulation causes (contraction?, relaxatation?)
A

contraction

11
Q
cardiac muscle:
simulation causes (contraction?, relaxatation?)
A

contraction

12
Q
smooth muscle:
simulation causes (contraction?, relaxatation?)
A

contraction, relaxation

13
Q
skeletal muscle:
response degree (all or none/graded)
A

all or none

14
Q
cardiac muscle:
response degree (all or none/graded)
A

graded

15
Q
smooth muscle:
response degree (all or none/graded)
A

graded

16
Q

skeletal muscle:

neurotransmitter(s), functions

A

Ach

17
Q

cardiac muscle:

neurotransmitter(s), functions

A

Ach - slows pacemaker

norepinephrine - speeds pacemaker

18
Q

smooth muscle:

neurotransmitter(s), functions

A

Ach - stimulates contraction

NO - inhibitory

19
Q

skeletal muscle:

transmission(s) of depolarization

A

t-tubules to SR terminal cisternae

20
Q

cardiac muscle:

transmission(s) of depolarization

A

t-tubules to SR pieces

gap junctions

21
Q

smooth muscle:

transmission(s) of depolarization

A

minimal SR

gap junctions

22
Q

skeletal muscle:

Ca2+ source (SR?, extracellular?)

A

sarcoplasmic reticulum

23
Q

cardiac muscle:

Ca2+ source (SR?, extracellular?)

A

sarcoplasmic reticulum & extracellular

24
Q

smooth muscle:

Ca2+ source (SR?, extracellular?)

A

minimal sarcoplasmic reticulum

extracellular