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Muscle physiology quiz

Total questions: 43

Worksheet time: 43mins

Name
Class
Date
1.

Non-striated and under involuntary control

a)

Skeletal Muscle

b)

Smooth Muscle

c)

Cardiac Muscle

2.

This is the ability of skeletal muscle wherein it recoils to its original resting length after it has been stretched

a)

Contractility

b)

Excitability

c)

Extensibility

d)

Elasticity

3.

This is the connective tissue sheath that surrounds entire skeletal muscle

a)

perimysium

b)

endomysium

c)

epimysium

d)

muscle fascicles

4.

This attaches your muscle to bone

a)

Tendons

b)

Ligaments

c)

Aponeurosis

5.

This attaches your bone to bone

a)

Tendons

b)

Ligaments

c)

Aponeurosis

6.

a tissue of the body consisting of long cells that can contract and its primary purpose is movement

a)

blood

b)

muscle

c)

nerves

d)

organs

7.

1 of the 4 main jobs of the muscular system is

a)

to give us posture

b)

sensory response (taste, smell, touch, etc)

c)

protect from disease

d)

deliver oxygen to the body

8.

What are the functions of the muscles?

a)

hold the body erect

b)

helps generate body heat

c)

helps blood move through the veins and food through the digestive system

d)

all are functions of the muscles.

9.

What is this structure?

a)
Fascicle
b)

sarcomere

c)

muscle bundle

d)

perimysium

10.

What are the names of the 2 filaments

that interact during muscle contraction?

(a)  

11.

Which of the following is an example of where you would find smooth muscle in the body?

a)

The heart

b)

The arm muscles

c)

The stomach

d)

The tongue

12.

What are the types of muscles?

a)

Skeletal, cardiac and brain

b)

Cardiac, Skeletal and smooth

c)

Smooth, rough and soft

d)

Skeletal, brain and nerve

13.

Which type of muscle tissue is multinucleate?

a)

Smooth

b)

Cardiac

c)

Skeletal

d)

All types are multinucleate

14.

Which type of muscle tissue contains intercalated discs?

a)

Smooth

b)

Skeletal

c)

Cardiac

d)

All have intercalated discs

15.

______ is when muscle fibers that are stimulated by nerves contract or become short and thick

a)

Elasticity

b)

Excitability

c)

Contractibility

16.

There are over how many muscles in the body?

a)

800

b)

300

c)

600

d)

1000

17.

The outermost layer of connective tissue that covers the WHOLE muscle is called the

a)

Perimysium

b)

Epimysium

c)

Endomysium

d)

Sarcomysium

18.

An aponeurosis is

a)

cordlike tissue and connects muscles to bones

b)

A broad sheet of dense connective tissue that connects muscles to muscles

c)

cordlike tissue and connects bones to bones

d)

A broad sheet of dense connective tissue that connects bones to bones

19.

These are the thick filaments that pull during muscle contraction:

a)

Actin

b)

Troponin

c)

Myosin

d)

Tropomyosin

20.

Tendons connect __________ to _________ whereas ligaments connect ___________ to ____________.

a)

Bone to bone; muscle to bone

b)

Muscle to bone; bone to bone

c)

Bone to bone; Muscle to muscle

d)

Muscle to muscle; bone to muscle

21.

Myofibrils are composed primarily of:

a)

Myofilaments

b)

Fascicles

c)

Myofibers

d)

Muscle cells

22.

The thin filament that is being pulled in muscle contraction

a)

Tropomyosin

b)

Actin

c)

Myosin

d)

Troponin

23.

The connective tissue layer that surrounds the fascicle is the:

a)

Perimysium

b)

Epimysium

c)

Endomysium

d)

Sarcomysium

24.

The cell membrane of a muscle cell is called the

a)

Sarcoplasmic Reticulum

b)

Sarcomere

c)

Sarcoplasm

d)

Sarcolemma

25.

The cytoplasm of a muscle cell is called the

a)

Sarcoplasmic Reticulum

b)

Sarcomere

c)

Sarcoplasm

d)

Sarcolemma

26.

Contractile unit of a muscle which is also the functional unit of a muscle is ...

a)

sarcomere

b)

motor unit

c)

fascicle

d)

myofibril

27.

Which muscle type(s) is/are multinucleate?

a)

Cardiac muscle.

b)

Skeletal muscle.

c)

Smooth muscle.

28.

Which muscle type(s) is/are under involuntary control?

a)

Cardiac muscle.

b)

Skeletal muscle.

c)

Smooth muscle.

29.

Which is the smallest unit?

a)

fascicle

b)

myofibril

c)

actin

d)

muscle

30.
The functional unit of the contractile system in skeletal muscle is(are) 
a)
myofibrils
b)
cross-bridges
c)
sarcomeres
d)
Z-bands
31.
The thick filaments of a sarcomere are called
a)
actin
b)
myosin
32.
The thin filament component of the sarcomere is called
a)
actin
b)
myosin
33.
Each sarcomere is found between the 
a)
A lines
b)
Z lines
c)
M lines
d)
H lines
34.

The neurotransmitter used by the nervous system to activate skeletal muscle relaxation

a)
serotonin
b)
dopamine
c)
acetylcholine
d)
GABA
35.

The __________________is the smooth ER of a muscle fiber and stores calcium ions.

a)

sarcolemma

b)

sarcoplasmic reticulum

c)

sarcomere

d)

sarcoplasm

e)

T tubules

36.

The condition in which a muscle remains contracted between stimuli without relaxing is called

a)

recruitment.

b)

tetanus.

c)

the all-or-none response.

d)

a motor unit.

e)

the lag phase.

37.

This microscope view shows an example of _______ muscle cells.

a)

Cardiac

b)

Skeletal

c)

Smooth

d)

Ringed

38.

____________= where muscle is attached to an immovable bone

a)

Origin

b)

Insertion

c)

Base

d)

anchor

39.

Put the following structures from biggest to smallest

a)

Muscles-Facile-Muscle fiber-myofibril-myofilaments

b)

Myofilaments-Facile-Myofibril-Muscle fiber-Muscle

c)

Muscles-Facile- Muscle fiber- Myofilaments- Myofibril

d)

Myofilaments-myofibril- Muscle fiber- Facile- Muscle

40.

What is the role of acetylcholine in muscle cell contraction?

a)

 it is a neurotransmitter

b)

it binds to troponin causing it to change shape

c)

 it supplies the energy for contraction

d)

it engages with the binding site on actin

41.
the chemical that accumulates in muscles when oxygen is depleted
a)
myoglobin
b)
hemoglobin
c)
lactic acid
d)
carbon dioxide
42.
What is atrophy?
a)
An increase in muscle mass
b)
A decrease in muscle mass
43.
What is hypertrophy?
a)
An increase in muscle mass
b)
A decrease in muscle mass

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