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Muscle Physiology Quiz

Total questions: 59

Worksheet time: 37mins

Name
Class
Date
1.

Which protein is primarily responsible for muscle contraction by forming cross-bridges?

a)

Actin

b)

Myosin

c)

Troponin

d)

Tropomyosin

2.

Which connective tissue surrounds an entire skeletal muscle?

a)

Endomysium

b)

Perimysium

c)

Epimysium

d)

Sarcolemma

3.

A muscle fiber is best described as a:

a)

Group of muscles

b)

Bundle of fascicles

c)

Single muscle cell

d)

Protein filament

4.

What is the functional unit of a muscle fiber?

a)

Myofibril

b)

Sarcolemma

c)

Sarcomere

d)

Myofilament

5.

Which type of muscle tissue is involuntary and non-striated?

a)

Skeletal

b)

Cardiac

c)

Smooth

d)

Voluntary

6.

Which muscle tissue is striated and involuntary?

a)

Skeletal

b)

Smooth

c)

Cardiac

d)

Fascia

7.

Which of the following is NOT a function of skeletal muscle?

a)

Movement

b)

Heat production

c)

Pumping blood

d)

Maintaining posture

8.

According to the Sliding Filament Theory, muscle contraction occurs when:

a)

Actin filaments shorten

b)

Myosin filaments shorten

c)

Actin slides over myosin

d)

Sarcomeres relax

9.

Which type of contraction occurs when a muscle shortens while producing force?

a)

Isometric

b)

Eccentric

c)

Isotonic

d)

Concentric

10.

Holding a plank position is an example of which type of contraction?

a)

Concentric

b)

Eccentric

c)

Isometric

d)

Isotonic

11.

Lowering a weight slowly during a bicep curl is an example of:

a)

Concentric contraction

b)

Isometric contraction

c)

Eccentric contraction

d)

Muscle tone

12.

Muscle tone refers to:

a)

Complete muscle relaxation

b)

Continuous partial muscle contraction

c)

Muscle fatigue

d)

Voluntary muscle movement

13.

Which type of training focuses on increasing muscle size and strength?

a)

Endurance training

b)

Aerobic training

c)

Strength training

d)

Flexibility training

14.

Long-distance running is an example of:

a)

Anaerobic activity

b)

High-intensity training

c)

Aerobic activity

d)

Isometric exercise

15.

Anaerobic exercise is best described as:

a)

Long duration, low intensity

b)

Uses oxygen continuously

c)

Short bursts of high intensity

d)

No muscle involvement

16.

Approximately how many muscles are in the human body?

a)

206

b)

320

c)

400

d)

600

17.

The sarcolemma is the:

a)

Muscle cytoplasm

b)

Muscle cell membrane

c)

Connective tissue layer

d)

Contractile protein

18.

Which structure stores and releases calcium ions for muscle contraction?

a)

Sarcoplasm

b)

Myofibril

c)

Sarcoplasmic reticulum

d)

Tendon

19.

Tendons connect:

a)

Muscle to muscle

b)

Bone to bone

c)

Muscle to bone

d)

Bone to cartilage

20.

The origin of a muscle is the:

a)

Movable attachment

b)

Fixed attachment

c)

Middle of the muscle

d)

Muscle belly

21.

What is the name of this muscle?

a)

Brachioradials

b)

Rectus Abdominis

c)

Serratus Anterior

d)

Pectoralis Major

22.

What is the name of this muscle?

a)

Trapezius

b)

Tibialis Anterior

c)

Deltoid

d)

Biceps Brachii

23.

What is the name of this muscle?

a)

Deltoid

b)

Vastus Lateralis

c)

Latissimus Dorsi

d)

Trapezius

24.

What is the name of this muscle?

a)

Deltoid

b)

Gastrocnemius

c)

Tensor Fasciae Latae

d)

Adductors

25.

What is the name of this muscle that you sit on?

a)

Deltoid

b)

Gastrocnemius

c)

Latissimus Dorsi

d)

Gluteus Maximus

26.

What is the name of this muscle?

a)

Hamstrings

b)

Quadriceps

c)

Pectoral Muscles

d)

Gluteal Muscles

27.

What is the name of this muscle?

a)

Biceps Brachii

b)

External Oblique

c)

Erector Spinae

d)

Gastrocnemius

28.

What is the name of this muscle?

a)

Triceps

b)

Deltoids

c)

Hamstrings

d)

Quadriceps

29.

What is the name of this muscle?

a)

Deltoids

b)

Triceps brachii

c)

External Obliques

d)

Adductors

30.

This muscle is a large fan shaped muscle that covers the front of the chest.

a)

Serratus Anterior

b)

Tibialis Anterior

c)

Deltoid

d)

Pectoralis Major

31.

What muscle is highlighted in red? Its nickname is Calf muscle.

a)

Gastrocnemius

b)

Hamstring

c)

Quadricep

d)

Deltoid

32.

Identify the highlighted muscle.

a)

Abdominals

b)

Latissimus Dorsi

c)

Gastrocnemius

d)

Gluteus Maximus

33.

Name this muscle in your upper back

a)

Latissimius Dorsi

b)

Trapezius

c)

Triceps

d)

Erectors

34.

Name the muscle

a)

Semimembranosus (part of hamstrings)

b)

Deltoids

c)

Latissimus dorsi

d)

External oblique

35.

name the muscle

a)

Rectus Femoris

b)

Biceps femoris

c)

Semimembranosus

d)

Semitendinosus

36.

name the muscle

a)

Rectus Femoris

b)

Biceps femoris

c)

Semimembranosus

d)

Semitendinosus

37.

name the muscle

a)

Rectus Femoris

b)

Biceps femoris

c)

Semimembranosus

d)

Semitendinosus

38.

name the muscle

a)

achilles

b)

Gastrocnemius

c)

Anterior crus

d)

Soleus

39.

name the muscle

a)

achilles

b)

Gastrocnemius

c)

Anterior crus

d)

Soleus

40.

name the muscle

a)

sartorius

b)

Rectus ABdominis

c)

Iliacus

d)

Psoas Major

41.

name the muscle

a)

sartorius

b)

Vastus Intermedius

c)

Rectus Femoris

d)

Vastus Lateralis

42.

name the muscle

a)

sartorius

b)

Vastus Intermedius

c)

Rectus Femoris

d)

Vastus Lateralis

43.

name the muscle

a)

Vastus Medialis

b)

Vastus Intermedius

c)

Rectus Femoris

d)

Vastus Lateralis

44.

name the muscle

a)

Vastus Medialis

b)

Vastus Intermedius

c)

Rectus Femoris

d)

Vastus Lateralis

45.

name the muscle

a)

Vastus Medialis

b)

Vastus Intermedius

c)

Rectus Femoris

d)

Vastus Lateralis

46.

which skeletal muscle is represented in the image?

a)

triceps brachii

b)

latissimus dorsi

c)

deltoideus

d)

brachioradialis

47.

which skeletal muscle is represented in the image?

a)

sternocleidomastoid

b)

trapezius

c)

zygomaticus

d)

depressor anguli oris

48.

which skeletal muscle is represented in the image?

a)

latissmus dorsi

b)

teres major

c)

infraspinatus

d)

deltoideus

49.

which skeletal muscle is represented in the image?

a)

frontalis

b)

orbicularis oculi

c)

orbicularis oris

d)

depressor anguli oris

50.

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

a)

Cardiac muscle.

b)

Skeletal muscle.

c)

Smooth muscle.

51.

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

a)

sarcomere

b)

motor unit

c)

fascicle

d)

myofibril

52.

The cell membrane of a muscle cell is called the

a)

Sarcoplasmic Reticulum

b)

Sarcomere

c)

Sarcoplasm

d)

Sarcolemma

53.

The cytoplasm of a muscle cell is called the

a)

Sarcoplasmic Reticulum

b)

Sarcomere

c)

Sarcoplasm

d)

Sarcolemma

54.

The connective tissue layer that surrounds the fascicle is the:

a)

Perimysium

b)

Epimysium

c)

Endomysium

d)

Sarcomysium

55.

The thin filament that is being pulled in muscle contraction

a)

Tropomyosin

b)

Actin

c)

Myosin

d)

Troponin

56.

Myofibrils are composed primarily of:

a)

Myofilaments

b)

Fascicles

c)

Myofibers

d)

Muscle cells

57.

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

58.

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

59.

This attaches your bone to bone

a)

Tendons

b)

Ligaments

c)

Aponeurosis