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8-1 Microscopic Muscle

Total questions: 37

Worksheet time: 14mins

Name
Class
Date
1.

Repeating contractile units on a Myofibril

a)

sarcolemma

b)

sacromere

c)

fascia

d)

fascicle

2.

tube-network that surrounds myfibrils and stores calcium

a)

Transverse tubules

b)

Axons

c)

Endomysium

d)

Sacroplasmic reticulum

3.

a bundle of muscle fibers

a)

Fascicle

b)

Filament

c)

Fascia

d)

Fibrils

4.

The thinner of the two myofilaments

a)

Myosin

b)

Hemoglobin

c)

Actin

d)

Acetylcholine

5.

Cord-like structure that connects muscle to bone

a)

Ligament

b)

Articular cartilage

c)

Fascia

d)

Tendon

6.

Thicker of the two myofilaments

a)

Myosin

b)

Creatine

c)

Myoglobin

d)

Actin

7.

Layer of dense connective tissue that separate individual muscles

a)

perimysium

b)

fascia

c)

articular cartilage

d)

synapse

8.

Another name for a Muscle cell

a)

sarcolemma

b)

Myosin

c)

fascicle

d)

Muscle fiber

9.

A connection between a neuron and a muscle cell

a)

synapse

b)

neurotransmitter

c)

axon

d)

dendrite

10.

Chemical released from a neuron

a)

myosin

b)

neurotransmitter

c)

synapse

d)

neurolemma

11.
a)

myofibril

b)

fascia

c)

muscle cell

d)

actin

12.
a)

endomysium

b)

epimysium

c)

premysium

d)

perimysium

13.

What is this?

a)

Muscle fibers

b)

Myofilaments

c)

axons

d)

sarcolemma

14.

Name this white connective tissue that connects muscle to bone.

a)

Ligament

b)

Cartilage

c)

Tendon

d)

Myofibril

15.

What is this?

a)

a myofilament

b)

a fascicle

c)

a muscle cell

d)

a myofibril

16.

What is this?

a)

muscle cell

b)

myofibril

c)

myofilament

d)

fascicle

17.

Name this bracketed region.

a)

I bane

b)

A band

c)

sarcomere

d)

M line

18.

Name this bracketed region.

a)

I bane

b)

A band

c)

sarcomere

d)

M line

19.

Name this bracketed region.

a)

I bane

b)

A band

c)

sarcomere

d)

M line

20.

Name this blue structure.

a)

actin

b)

myosin

c)

M line

d)

Z line

21.

Name this purple structure.

a)

actin

b)

myosin

c)

M line

d)

Z line

22.

This diagram is highlighting a...

a)

Sliding-filament model

b)

renalmuscular plate

c)

osteotendon interaction

d)

Neuromuscular junction

23.

Sarcolemma

a)

A

b)

B

c)

C

d)

D

24.

Sarcoplasm

a)

A

b)

B

c)

C

d)

D

e)

F

25.

Sarcoplasmic reticulum

a)

A

b)

B

c)

C

d)

D

e)

F

26.

Transverse tubule

a)

A

b)

B

c)

C

d)

D

e)

F

27.

What is H?

a)

myosin

b)

actin

c)

myofibril

d)

T-tubule

28.

Neurotransmitter used in Muscle cells

a)

Serotonin

b)

Dopamine

c)

Oxytocin

d)

Acetylcholine

29.

What are these blue chemical released across a synapse?

a)

Sodium

b)

Calcium

c)

Neurotransmitters

d)

Hormones

30.

The Cell membrane of a muscle cell

a)

Sarcolemma

b)

Sarcoplasm

c)

Sarcoplasmic reticulum

d)

Endomysium

31.

The cytoplasm of a muscle cell.

a)

sarcoplasm

b)

sarcoplasmic reticulum

c)

ectoplasm

d)

myoplasm

32.

A layer of connective tissue that surrounds a skeletal muscle

a)

epimysium

b)

perimysium

c)

endomysium

d)

sarcomysium

33.

A layer of connective tissue that separates muscle cells into bundles called fascicles.

a)

epimysium

b)

perimysium

c)

endomysium

d)

sarcomysium

34.

A layer of connective tissue that covers each individual muscle cell.

a)

epimysium

b)

perimysium

c)

endomysium

d)

sarcomysium

35.

Alternating light (I) and dark (A) bands give the muscle fiber its striped/striated appearance.

a)

True

b)

False

36.

Which of the following is NOT a myofilament?

a)

Actin

b)

Myosin

c)

Myofibril

37.

Which of the following is NOT an organelle in a muscle cell?

a)

sarcoplasmic reticulum

b)

fascicle

c)

mitochondria

d)

myofibril

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