muscles w/out images Flashcards

exam 2

1
Q

myoepithelial and myofibroblasts are

A

non-muscle contractile tissue

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2
Q

striated

A

skeletal, visceral or cardiac

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3
Q

non-striated

A

smooth

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4
Q

non-autonomic

A

skeletal and visceral

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5
Q

autonomic “fight or flight”

A

smooth and cardiac

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6
Q

skeletal muscle do not have

A
  • gap junction_ no autonomic function

- dense bodies

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7
Q

smooth muscles CT sheats

A
  1. perimysium

2. endomysium

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8
Q

where is the actin found in the sarcomere

A

A and I bands

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9
Q

I bands

A

is the anchoring point for the actin filaments

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10
Q

neuromuscular junction

A

motor nerve

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11
Q

cardiac cells are ________

A

bi-nucleated

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12
Q

you can find _____ in the sarcoplasmic reticulum

A

T-tubule

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13
Q

triad

A

skeletal muscle

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14
Q

smooth ER

A

sarcoplasmic ER

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15
Q

muscle and bone are connected by

A

dense regular CT

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16
Q

lines the blood vessels

A

endothelium

17
Q

what type of bands can you see in the smooth muscle

A

z-bands

18
Q

no true sarcomeres

A

smooth muscle

19
Q

true syncythium

A

skeletal

20
Q

functional syncythium

A

cardiac

21
Q

no syncythium

A

smooth

22
Q

T-tubules are nor found in

A

smooth muscle

23
Q

caveolae replaces ________ in smooth muscle

A

T-tubule system

24
Q

dystropin is attached to the

A

plasma membrane and to actin-binding domain

25
Q

satellite cells

A

stem cells

26
Q

what muscle that forms the upper esophagus, pharynx, tongue

A

visceral

27
Q

provide proprioceptive information and mediate stretch refelx

A

muscle spindles

28
Q

proprioception and inhibition reflex

A

golgi tendon organs

29
Q

In contracted skeletal muscle, which one of the following is typically absent?

A

H band

30
Q

plasma membrane + external lamina

A

sarcolemma

31
Q

cytoplasm

A

sarcoplasm

32
Q

smooth ER

A

sarcoplasmic reticulum

33
Q

muscle cell

A

myofiber=myocyte

34
Q

muscle

A

-mysium

35
Q

The organelle involved in release and uptake of calcium ions during contraction of skeletal muscle is

A

SER

36
Q

connective tissue investment of single myofibers is

A

endomysium

37
Q

connective tissue sheath that immediately surrounds fascicles of skeletal muscle fibers is

A

perimysium

38
Q

All of the following are characteristics of smooth muscle cells EXCEPT

a.	 non-striated

b.	 involuntary

c.	 unfused, spindle-shaped cells

d.	 central nucleus

e.	 continuous external lamina
A

e.

continuous external lamina

39
Q

Which one of the following is NOT a characteristic of cardiac muscle?

a.	 Involuntary

b.	 Striated

c.	 Unbranched muscle fibers

d.	 Discontinuous external lamina
A

c.

Unbranched muscle fibers