Muscle Review Flashcards


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created 7 months ago by DianeChan11
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1

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Heat Generation

2

In order to rec

Nerve

3

The elastic componentes of muscle

D. Tendon, epimysium, perimysium, endomysium

4

Which of the following components

C. Myofibrils

5

The thins filaments

B. Titin

6

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A. smooth endoplasmic reticulum

7

During a muscle contraction, the sliding filament theory would be apparent in a sacrome because

C. The H zone becomes less obvious and the Z discs move closer together.

8

At the neuromusclar junction, the

C. binding of acetylcholine

9

What would be the first response

A. There would be continued muscle fibers contraction in the absence of additional nervous system stimulation

10

In a muscle fibers, the key intracellular event that stimulates muscle contraction is known as

B. Depolarization

11

During deoplariztion

A. Sodium Ioins

12

What is calciums fu

A. Calcium binds to tropinin

13

Corpses using

B/ a lack of ATP

14

Small precise movements are controlled by __ motor units

A. Small

15

...

B. recruitment occures

16

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A. Anaerobic & Aerobic

17

As an axon enters a muscle, it branches into a number of axon terminals, each of which makes contact with a single muscle fiber. The portion of the sarcolemma in contact with the acon terminals is called ________

B. Motor end plate ( on the sarcolemma )

18

...

E. Releases ACh

19

...

D. Diffusion across the synaptic cleft

20

What type of ion channel opens in response to an action potential arriving in axon terminal

E. Voltage-gated calcium

21

...

C.Acet

22

...

E. Sarcoplasmic Reticulum

23

...

E. They conduct action potentials from the sarcol

24

...

C. Calcium

25

...

B. Calcium Ions

26

...

Sacromere

27

During muscle contraction, all of the following occur execpt

C. Calcium Concentration in the sarcoplasm decreases