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Muscle Unit Exam Review 2024

Total questions: 27

Worksheet time: 24mins

Name
Class
Date
1.

Name the following in order from largest to smallest:

a)

muscle, muscle fascicle, muscle cell, myofibril, filaments

b)

muscle, muscle fascicle, muscle cell, filaments, myofibril

c)

muscle, muscle cell, muscle fascicle, myofibril, filaments

d)

muscle, muscle cell, muscle fascicle, filaments, myofibril

2.

What is the length between Z-lines of an actin molecule called?

a)

fascicle

b)

sarcomere

c)

myosin binding site

d)

sarcoplasmic length

3.

What substance builds in muscles due to muscle fatigue?

(Think back to the marathon runner)

(a)  

4.

What are the two types of myofilaments responsible for muscle contraction?

(Thin and thick)

a)

Actin

b)

Myosin

c)

Troponin

d)

Tropomyosin

5.

What types of muscle tissue are involuntary

a)

Cardiac MT

b)

Smooth MT

c)

Skeletal MT

6.

Which ion is essential muscle contraction?

a)

Calcium

b)

Sodium

c)

Iron

d)

Water

7.
The part of the sarcomere that A (green) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
8.
The part of the sarcomere that B (Orange) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
9.
The part of the sarcomere that C (Blue) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
10.
The part of the sarcomere that D (Red) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
11.
What zone/band of the sarcomere is represented by yellow.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
12.
What zone/band of the sarcomere is represented by pink.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
13.
What zone/band of the sarcomere is represented by light brown.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
14.
What state is the sarcomere in #1
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
15.
What state is the sarcomere in #2
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
16.
Only thick filaments present
a)
Sarcomere
b)
H zone
c)
M line 
d)
Z disc
17.
The functional unit of the muscle cell is the: 
a)
Sarcomere
b)
Osteon
c)
Myofilament
d)
Muscle fiber
18.

#1 Represents one whole...

a)

Actin Filament

b)

Z Disc

c)

Sarcomere

d)

Myosin Filament

19.

Name this muscle

a)

Gastrocnemius

b)

Gluteus Maximus

c)

Hamstring

d)

Quadricep

20.
a)

Gluteus Maximus

b)

Hamstring

c)

Quadricep

d)

External Oblique

21.

Name the highlighted muscle

a)

pectorals

b)

deltoid

c)

trapezius

d)

latissimus dorsi

22.

Name the highlighted muscle

a)

latissimus dorsi

b)

obliques

c)

rhomboids

d)

deltoid

23.

Name the highlighted muscles

a)

deltoid

b)

latissimus dorsi

c)

pectoralis

d)

rhomboids

24.

Name the highlighted muscle

a)

rectus abdominals

b)

transverse abdominals

c)

external obliques

d)

internal obliques

25.

Name the highlighted muscle

a)

transvers abdominals

b)

rectus abdominals

c)

external obliques

d)

internal obliques

26.

Name the highlighted muscle

a)

tricep

b)

biceps brachii

c)

bicep femoris

d)

extensor longus

27.

List the correct order of the anatomy of a muscle (superficial to deep)

((should be 7 items))

4 lines

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