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PTA Licensure Exam > Musculoskeletal System > Flashcards

Musculoskeletal System Flashcards

1
Q

+ How many energy systems does the body have?
A. 1
B. 2
C. 3
D. 4

A

C. 3

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2
Q

Which type of metabolism is used during high intensity, short duration exercises?
A. Anaerobic
B. Fast
C. Slow
D. Aerobic

A

A. Anaerobic

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3
Q

Which type of metabolism is used during low intensity, long duration exercises?
A. Anaerobic
B. Slow
C. Aerobic
D. Fast

A

C. Aerobic

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4
Q

ATP-PC system is a type of anaerobic metabolism. What is an example of an exercise that would use this energy system?
A. A marathon
B. Sprinting 400 meters
C. Running
D. Sprinting 100 meters

A

D. Sprinting 100 meters

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5
Q

Anaerobic Glycolysis is a energy system used during high intensity, short duration activities such as sprinting 400 or 800 meters. What is used to produce ATP for these activities?
A. Lactic acid
B. Carbohydrates (Glycogen)
C. Proteins
D. Oxygen

A

B. Carbohydrates

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6
Q

Which energy system provides the most rapid energy source that occurs almost instantaneously?
A. Aerobic System
B. Anaerobic Glycolysis
C. ATP-PC System
D. All of the above

A

C. ATP-PC System

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7
Q

What does anerobic glycolysis produce that causes muscular fatigue?
A. Pyruvic acid
B. Lactic acid
C. Fatty acid
D. Carbohydrates

A

B. Lactic acid

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8
Q

What energy system yields the most ATP?
A. Aerobic
B. Anaerobic glycolysis
C. ATP-PC
D. Lactic acid

A

A. Aerobic

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9
Q

Which of the following joint classification provides free movement, is most complex and vulnerable to injury?
A. Synarthroses
B. Cartilaginous
C. Synovial
D. Fibrous

A

C. Synovial

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10
Q

There are three types of fibrous joints: suture, syndesmosis, and gomphosis. Which is an example of a syndesmosis fibrous joint?
A. Sternum and true rib articulation
B. Interosseous membrane of tibia and fibula
C. Uniaxial
D. Pubic symphysis

A

B. Interosseous membrane of tibia and fibula

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11
Q

There are 2 types of Cartilaginous joints: Synchondrosis, and symphysis. Which of the following is an example of a cartilaginous joint?
A. Suture of the skull
B. Multiaxial
C. Syndesmosis
D. Sternum and true rib articulation

A

D. Sternum and true rib articulation

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12
Q

Which of the following is true about muscle spindle?
A. They are distributed throughout the belly of the muscle
B. It is important in the control of posture
C. They function to send info to nervous system about muscle length and/or the rate of change of its length
D. All are true

A

D. All are true

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13
Q

What type of stimulus are Golgi tendon organs most responsive to?
A. Pressure
B. Tension
C. Vibration
D. Noxious

A

B. Pressure

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14
Q

Type I muscle fibers are ___________.
A. Aerobic
B. Red
C. Tonic
D. Slow twitch and slow-oxidative
E. All of the above

A

E. All of the above

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15
Q

Type II muscle fibers are ____________.
A. Anaerobic
B. White
C. Phasic
D. Fast twitch and fast-glycolytic
E. All of the above

A

E. All of the above

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16
Q

There are many muscles that extend the cervical spine and others the lumbar spine. Which muscle functions to extend both cervical and lumbar spine?
A. Multifidus
B. Erector spinae
C. Trapezius
D. Splenius Cervicis

A

A. Multifidus

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17
Q

Many muscles have more than one action. What actions does the Sternocleidomastoid muscles do?
A. Cervical extension and flexion
B. Cervical Flexion and Rotation
C. Cervical flexion, rotation, and lateral bending
D. Cervical Rotation and lateral bending

A

C. Cervical flexion, rotation, and lateral bending

18
Q

What muscle group is contraction when doing a sit up?
A. Trunk flexors
B. Trunk extensors
C. Cervical flexors
D. Cervical extensors

A

A. Trunk flexors

19
Q

Which muscle(s) do Scapular Elevation?
A. Middle trapezius
B. Upper trapezius and Levator Scapulae
C. Upper and middle trapezius
D. Serratus anterior and Pectoralis minor

A

B. Upper trapezius and Levator Scapulae

20
Q

Which muscle(s) do Scapular Protraction?
A. Middle trapezius
B. Upper trapezius and Levator Scapulae
C. Upper and middle trapezius
D. Serratus anterior and Pectoralis minor

A

D. Serratus anterior and Pectoralis minor

21
Q

Which muscle(s) do Scapular Downward rotation?
A. Middle trapezius
B. Lower trapezius, levator scapulae
C. Rhomboids, levator scapulae, and pectoralis minor
D. Serratus anterior and Pectoralis minor

A

C. Rhomboids, levator scapulae, and pectoralis minor

22
Q

Which muscle(s) do Scapular Upward rotation?
A. Middle trapezius
B. Upper and Lower trapezius, Serratus anterior
C. Rhomboids, levator scapulae, and pectoralis minor
D. Serratus anterior and Pectoralis minor

A

B. Upper and lower trapezius, serratus anterior

23
Q

Which muscle(s) do Scapular Retraction?
A. Middle trapezius and Rhomboids
B. Lower trapezius, levator scapulae
C. Rhomboids, levator scapulae, and pectoralis minor
D. Serratus anterior and Pectoralis minor

A

A. Middle trapezius and Rhomboids

24
Q

Which muscle(s) do Scapular Retraction?
A. Middle trapezius and Rhomboids
B. Lower trapezius, levator scapulae
C. Rhomboids, levator scapulae, and pectoralis minor
D. Serratus anterior and Pectoralis minor

A

A. Middle trapezius and Rhomboids

25
Q

Which muscle(s) do Scapular Depression?
A. Middle trapezius and Rhomboids
B. Lower trapezius, levator scapulae
C. Rhomboids, levator scapulae, and pectoralis minor
D. Lower trapezius and Pectoralis minor

A

D. lower trapezius and pectoralis minor

26
Q

What muscle(s) do Shoulder Flexion?
A. Middle deltoid, and Supraspinatus
B. Anterior deltoid, Pectoralis major (clavicular portion), and coracobrachialis
C. Latissimus dorsi and posterior deltoid
D. Pectoralis major and latissimus dorsi

A

B. Anterior deltoid, Pectoralis major (clavicular portion), and coracobrachialis

27
Q

What muscle(s) do Shoulder Lateral Rotation?
A. Teres minor, infraspinatus, and posterior deltoid
B. Anterior deltoid, Pectoralis major (clavicular portion), and coracobrachialis
C. Latissimus dorsi and posterior deltoid
D. Pectoralis major and latissimus dorsi

A

A. Teres minor, infraspinatus, and posterior deltoid

28
Q

What muscle(s) do Shoulder Abduction?
A. Middle deltoid, and Supraspinatus
B. Anterior deltoid, Pectoralis major (clavicular portion), and coracobrachialis
C. Latissimus dorsi and posterior deltoid
D. Pectoralis major and latissimus dorsi

A

A. Middle deltoid and Supraspinatus

29
Q

What muscle(s) do Shoulder Extension?
A. Middle deltoid, and Supraspinatus
B. Anterior deltoid, Pectoralis major (clavicular portion), and coracobrachialis
C. Latissimus dorsi, teres major, and posterior deltoid
D. Pectoralis major and latissimus dorsi

A

C. Latissimus dorsi, teres major, and posterior deltoid

30
Q

What muscle(s) do Shoulder Adduction?
A. Middle deltoid, and Supraspinatus
B. Anterior deltoid, Pectoralis major (clavicular portion), and coracobrachialis
C. Latissimus dorsi, teres major, and posterior deltoid
D. Pectoralis major, teres major and latissimus dorsi

A

D. Pectoralis major, teres major, and latissimus dorsi

31
Q

What muscle(s) do Shoulder Medial Rotation?
A. Middle deltoid, and Supraspinatus
B. Subscapularis, teres major, pectoralis major, latissimus dorsi, and anterior deltoid
C. Latissimus dorsi, teres major, and posterior deltoid
D. Pectoralis major and latissimus dorsi

A

B. Subscapularis, teres major, pectoralis major, latissimus dorsi, and anterior deltoid

32
Q

What muscle(s) do Shoulder Horizontal Adduction?
A. Middle deltoid, and Supraspinatus
B. Anterior deltoid and Pectoralis major
C. Latissimus dorsi, teres major, and posterior deltoid
D. Pectoralis major, teres major and latissimus dorsi

A

B. Anterior deltoid and pectoralis major

33
Q

What muscle(s) do Shoulder Horizontal Abduction?
A. Middle deltoid, and Supraspinatus
B. Anterior deltoid and Pectoralis major
C. Infraspinatus, teres minor, and posterior deltoid
D. Pectoralis major, teres major and latissimus dorsi

A

C. Infraspinatus, teres minor, and posterior deltoid

34
Q

What muscle(s) do Elbow flexion?
A. Triceps and Anconeus
B. Biceps, Brachialis, and Brachioradialis
C. Only Biceps
D. Only Triceps

A

B. Biceps, Brachialis, and Brachioradialis

35
Q

What muscle(s) function MOSTLY to extend the elbow?
A. Biceps
B. Triceps
C. Triceps and Anconeus
D. Biceps and Brachioradialis

A

B. Triceps

36
Q

What muscle(s) function to supinate the forearm?
A. Biceps and Supinator
B. Triceps
C. Triceps and Anconeus
D. Biceps and Brachioradialis

A

A. Biceps and supinator

37
Q

What muscle(s) function to pronate the forearm?
A. Biceps and Supinator
B. Triceps
C. Pronator teres and quadratus
D. Biceps and Brachioradialis

A

C. Pronator teres and quadratus

38
Q

What muscle(s) are contracting during wrist extension?
A. Extensor carpi radialis longus
B. Extensor carpi ulnaris, and extensor carpi radialis longus
C. Extensor carpi radialis longus/brevis, and extensor carpi ulnaris
D. Extensor carpi ulnaris

A

C. Extensor carpi radialis longus/brevis, and extensor carpi ulnaris

39
Q

What muscle(s) are contracting during wrist flexion?
A. Flexor carpi ulnaris
B. Flexor carpi radialis
C. Palmaris longus
D. A and B
E. All of the above

A

E. All of the above

40
Q

What muscle(s) are contracting during wrist ulnar deviation?
A. Flexor carpi ulnaris
B. Flexor carpi ulnaris and Palmaris longus
C. Flexor carpi ulnaris and Extensor carpi ulnaris
D. Flexor carpi ulnaris, palmaris longus, and extensor carpi ulnaris

A

C. Flexor carpi ulnaris and Extensor carpi ulnaris

PTA Licensure Exam (6 decks)

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