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Muscle System Review

Total questions: 54

Worksheet time: 36mins

Name
Class
Date
1.

Area #1 is known as a -

a)

perimysium

b)

epimysium

c)

muscle fiber

d)

fascicle

2.

Area #3 is called the

a)

perimysium

b)

epimysium

c)

muscle fiber

d)

fascicle

3.

Area #2 is called the -

a)

endomysium

b)

perimysium

c)

epimysium

d)

olomysium

4.

Area #4 is called the -

a)

epimysium

b)

perimysium

c)

endomysium

d)

muscle fiber

5.

Area #5 is called the -

a)

muscle fiber

b)

epimysium

c)

perimysium

d)

fascicle

6.
The part of the sarcomere that A (green) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
7.
The part of the sarcomere that C (Blue) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
8.
The part of the sarcomere that D (Red) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
9.

#1 Represents one whole...

a)

Actin Filament

b)

Z Disc

c)

Sarcomere

d)

Myosin Filament

10.

What muscle is the arrow pointing toward?

a)

biceps

b)

traps

c)

pecs

d)

triceps

11.

What muscle is the arrow pointing to?

a)

Pectoralis (Pecs)

b)

Biceps

c)

Triceps

d)

Lats

12.
a)
Latissmius Dorise
b)
Erectors
c)
Deltoids
d)
Abdominal
13.
a)
Abdominal
b)
External Oblique
c)
Erectors
d)
Satorius
14.
a)
Trapezius
b)
Gluteals
c)
Deltoid
d)
Hamstring
15.
a)
Hamstrin
b)
Quadricep
c)
Tibialis Anterior
d)
Gastrocenmius
16.
a)
Latissimius Dorsi
b)
Trapezius
c)
Triceps
d)
Erectors
17.

All of the following are functions of skeletal muscle EXCEPT:

a)

Heart Contractions

b)

Maintaining body posture

c)

Producing body heat

d)

Body movement

18.

The thin myofilament found within a muscle fiber is labeled 3. It is

a)

motor neuron

b)

sarcomere

c)

actin

d)

myosin

19.

All are true about the sliding filament model EXCEPT

a)

The Z lines are pulled closer together

b)

actin and myosin filaments “slide” past each other and the myosin “hooks” onto the actin contracting the muscle

c)

sarcomeres become smaller and contract

d)

It requires no energy for the sliding filament theory

20.

The connective tissue that attaches muscle to bone is:

a)

sarcomere

b)

ligament

c)

tendon

d)

myofilament

21.

Which type of muscle tissue is voluntary?

a)

Skeletal muscle

b)

Cardiac muscle

c)

Smooth muscle

22.

Which type of muscle tissue lines the blood vessels/ stomach and is not striated.

a)

cardiac

b)

smooth

c)

skeletal

23.

The muscle system works with the nervous system. Muscles must have a signal from the brain to contract. The point of contact between a motor neuron and a muscle is called the

a)

neuromuscular junction

b)

axon junction

c)

intercalated discs

d)

dendritic junction

24.

When grandma stays in bed and doesn't want to move, she risks muscle ____________ that can be hazardous to your health.

a)

hypertrophy

b)

atrophy

c)

fatigue

d)

tetanus

25.

An injury to a tendon is a

a)

strain

b)

sprain

c)

fracture

26.

The thick myofilament of a sarcomer is called_______?

a)

Actin

b)

Myosin

c)

Myofibril

d)

Myofilament

27.

The sarcoplasmic reticulm releases this ion, ______, which binds to troponin causing it to move so that myosin binding sites can be exposed.

a)

Creatine

b)

Iron

c)

ATP

d)

Calcium

28.

Which are the correct four functions of the muscle system?

a)

send signals, produc heat, maintain posture and break down nutrients

b)

Produce heat, transport oxygen, stabilize joints and make heat

c)

Connect tissues, send signals, break down nutrients and maintain posture

d)

Movement, heat production, maintain posture and stabilize joints

29.

This neurotransmitter must be released by an axon to innervate your muscle cells.

a)

Synaptic Cleft

b)

Axon terminals

c)

Synaptic Vesicles

d)

Acetylcholine

30.

This image shows a ________?

a)

Sarcomere

b)

Fascicle

c)

Neuromuscular Juntion

d)

Prime mover

31.

Acetylcholine must cross this space in order for the action potential to innervate the muscle Fiber.

a)

Synaptic Cleft

b)

Actin

c)

Myosin

d)

sarcomere

32.

Which type of muscle tissue has visible striations and single, centrally located nuclei?

a)

cardiac

b)

skeletal

c)

smooth

d)

fibrous

33.

Muscle has the ability to shorten when adequately stimulated, a characteristic known as __.

a)

elasticity

b)

irritability

c)

contractibility

d)

extensibility

34.
Identify this type of muscle
a)
smooth
b)
cardiac
c)
skeletal
35.
Anaerobic respiration
a)
causes fatigue
b)
produces lactic acid
c)
produces oxygen debt
d)
all of these
36.
Which chemicals must be present for muscles to contract?
a)
calcium
b)
ATP
c)
lactic acid
d)
ATP and Calcuim
37.
a)
Flexion
b)
extension
c)
abduction
d)
adduction
38.
a)
Flexion
b)
extension
c)
abduction
d)
adduction
39.
a)
Hamstring
b)
Quadriceps
c)
Bicep
d)
Satorius
40.

During which phase does a large amount of sodium ions flood into the cell while a smaller amount of potassium ions leave, resulting in the interior of the cell become positively charged?

a)

Repolarization

b)

Action potential phase

c)

Resting potential phase

41.
Muscles can only ______ bones, they can not _______.
a)
push, pull
b)
push, relax
c)
relax, pull
d)
pull, push
42.

The I band is labeled here as _______.

a)

AD

b)

AC

c)

BC

d)

AB

43.
What opens the ligand gated sodium/potassium channel?
a)
Calcium Ion Binding to the channel protein.
b)
Acetylcholine binding to the channel protein.
c)
Electrical Signal opening the channel protein.
d)
Acetylcholinesterase binding to the channel protein.
44.
What are the 3 types of muscles?
a)
Skeletal, muscular, ligament
b)
Skeletal, smooth, cardiac
c)
Smooth, Cellular, Cerebrum
d)
Cardiac, smooth, brain stem
45.

What is labeled "4" (the blue/purple part) in the diagram?

a)

sarcolemma

b)

sarcoplasmic reticulum

c)

transverse tubules

d)

myofibril

46.

What does calcium do to the actin?

a)

Covers myosin binding sites

b)

Uncovers myosin binding sites on actin

c)

Covers actin binding sites

d)

Uncovers actin binding sites on myosin

47.

What happens when the action potential reaches the axon terminal of a motor neuron?

a)

Voltage-gated channels open, releasing sodium

b)

Voltage-gated channels open, releasing acetylcholinesterase

c)

Voltage-gated channels open, releasing acetylcholine

d)

Voltage-gated channels open, releasing calcium

48.

What ions are transported by the activated ion channel in muscle cells?

a)

Sodium ions rush out of the cell, while potassium ions rush into the cell

b)

Calcium ions rush out of the cell, while potassium ions rush into the cell

c)

Sodium ions rush into the cell, while potassium ions rush out of the cell

d)

Calcium ions rush into the cell, while potassium ions rush out of the cell

49.

Which ways do muscles get their energy from?

a)

Creatine Phosphate

b)

Anaerobic Respiration

c)

Kreb Cycle

d)

Aerobic Respiration

50.
Turning the hand so that the palm is upward or facing anteriorly (in anatomical position).
a)
supination
b)
pronation
c)
flexion
d)
dorsiflexion
51.
Turning the foot so the plantar surfaces faces medially.
a)
plantar flexion
b)
eversion
c)
inversion
d)
dorsiflexion
52.
What movement is occurring here?
a)
Eversion
b)
Flexion
c)
Dorsiflexion
d)
Plantarflexion
53.

Which shoulder motion is illustrated in the picture?

a)

rotation

b)

adduction

c)

flexion

d)

extension

54.
Identify the joint action being performed.
a)
Inversion
b)
Eversion
c)
Plantarflexion
d)
Dorsiflexion

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