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P2 ANATOMY (part 2) > BACK MUSCLES (MCQS) > Flashcards

BACK MUSCLES (MCQS) Flashcards

(50 cards)

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1
Q

Which of the following muscles is the most superficial muscle of the back?
A. Latissimus dorsi
B. Trapezius
C. Rhomboid major
D. Erector spinae

A

B

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2
Q

The trapezius muscle is innervated by:
A. Spinal accessory nerve (CN XI)
B. Axillary nerve
C. Radial nerve
D. Median nerve

A

A

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3
Q

The origin of the latissimus dorsi muscle includes:
A. Spinous processes of T7 - L5
B. Spinous processes of C1 - C7
C. Clavicle
D. Scapula

A

A

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4
Q

The latissimus dorsi muscle inserts into the:
A. Greater tubercle of the humerus
B. Lesser tubercle of the humerus
C. Intertubercular groove of the humerus
D. Deltoid tuberosity of the humerus

A

C

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5
Q

The main action of the latissimus dorsi muscle is:
A. Flexion of the arm
B. Abduction of the arm
C. Adduction, extension, and medial rotation of the arm
D. Lateral rotation of the arm

A

C

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6
Q

Which muscle helps in elevating the scapula?
A. Rhomboid minor
B. Serratus anterior
C. Pectoralis major
D. Deltoid

A

A

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7
Q

The rhomboid major and minor muscles are innervated by the:
A. Dorsal scapular nerve
B. Thoracodorsal nerve
C. Subscapular nerve
D. Axillary nerve

A

A

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8
Q

The erector spinae muscle group is composed of all of the following except:
A. Iliocostalis
B. Longissimus
C. Spinalis
D. Teres major

A

D

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9
Q

The iliocostalis muscle of the erector spinae group inserts into the:
A. Ribs
B. Vertebral spinous processes
C. Clavicle
D. Scapula

A

A

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10
Q

The spinalis muscle of the erector spinae group primarily inserts into:
A. Spinous processes of vertebrae
B. Transverse processes of vertebrae
C. Ribs
D. Humerus

A

A. Spinous processes of vertebrae

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11
Q

The erector spinae muscles are responsible for:
A. Flexion of the vertebral column
B. Lateral flexion and extension of the vertebral column
C. Abduction of the arms
D. Plantar flexion of the foot

A

B. Lateral flexion and extension of the vertebral column

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12
Q

The levator scapulae muscle originates from:
A. Transverse processes of C1 - C4
B. Spinous processes of C5 - C7
C. Clavicle
D. Ribs 1 - 4

A

A. Transverse processes of C1 - C4

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13
Q

The levator scapulae muscle inserts into the:
A. Superior angle of the scapula
B. Inferior angle of the scapula
C. Acromion process of the scapula
D. Coracoid process of the scapula

A

A. Superior angle of the scapula

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14
Q

The action of the levator scapulae muscle is:
A. Depression of the scapula
B. Elevation of the scapula
C. Protraction of the scapula
D. Retraction of the scapula

A

B. Elevation of the scapula

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15
Q

Which of the following muscles is not part of the superficial back muscle group?
A. Trapezius
B. Latissimus dorsi
C. Multifidus
D. Levator scapulae

A

C. Multifidus

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16
Q

The longissimus muscle of the erector spinae group runs:
A. Laterally to the iliocostalis
B. Medially to the spinalis
C. Between the iliocostalis and spinalis
D. Anterior to the iliocostalis

A

C. Between the iliocostalis and spinalis

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16
Q

The multifidus muscle is part of the:
A. Superficial back muscles
B. Intermediate back muscles
C. Deep back muscles
D. None of the above

A

C. Deep back muscles

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17
Q

The multifidus muscle helps in:
A. Flexion of the spine
B. Extension and rotation of the spine
C. Abduction of the shoulders
D. Adduction of the hips

A

B. Extension and rotation of the spine

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18
Q

The serratus posterior superior muscle originates from:
A. Spinous processes of C7 - T3
B. Spinous processes of T9 - L2
C. Ribs 5 - 8
D. Clavicle

A

A. Spinous processes of C7 - T3

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19
Q

The serratus posterior superior muscle inserts into:
A. Ribs 2 - 5
B. Ribs 6 - 9
C. Humerus
D. Scapula

A

A. Ribs 2 - 5

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20
Q

The function of the serratus posterior superior muscle is:
A. Depression of the ribs
B. Elevation of the ribs
C. Adduction of the scapula
D. Abduction of the scapula

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A

B. Elevation of the ribs

21
Q

The serratus posterior inferior muscle originates from:
A. Spinous processes of T9 - L2
B. Spinous processes of C1 - C4
C. Ribs 1 - 4
D. Clavicle

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A

A. spinous process of T9-L2

22
Q

The serratus posterior inferior muscle inserts into:
A. Ribs 9 - 12
B. Ribs 5 - 8
C. Humerus
D. Scapula

23
Q

The serratus posterior inferior muscle is involved in:
A. Elevation of the ribs
B. Depression of the ribs
C. Flexion of the spine
D. Extension of the arms

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A

B. DEPRESSION OF THE RIBS

24
The suboccipital muscles include all of the following except: A. Rectus capitis posterior major B. Rectus capitis posterior minor C. Obliquus capitis superior D. Trapezius
D. TRAPEZIUS
25
The rectus capitis posterior major muscle originates from: A. Axis (C2) B. Atlas (C1) C. Occipital bone D. Temporal bone
A. AXIS (C2)
26
The rectus capitis posterior major muscle inserts into the: A. Occipital bone B. Temporal bone C. Atlas (C1) D. Axis (C2)
A. OCCIPITAL BONE
27
The obliquus capitis superior muscle helps in: A. Flexion of the head B. Extension of the head C. Lateral flexion and rotation of the head D. Abduction of the shoulders
C. LATERAL FLEXION AND ROTATION OF THE HEAD
28
The obliquus capitis inferior muscle originates from: A. Axis (C2) B. Atlas (C1) C. Occipital bone D. Temporal bone
A. AXIS (C2)
29
The obliquus capitis inferior muscle inserts into: A. Atlas (C1) B. Occipital bone C. Temporal bone D. Parietal bone
A. ATLAS (C1)
30
The splenius capitis muscle originates from: A. Spinous processes of C7 - T3 B. Spinous processes of T4 - T6 C. Clavicle D. Ribs 1 - 3
A.SPINOUS PROCESSES OF C7-T3
31
The splenius capitis muscle inserts into: A. Mastoid process and occipital bone B. Coracoid process of the scapula C. Acromion process of the scapula D. Humerus
A. MASTOID PROCESS AND OCCIPITAL BONE
32
The splenius cervicis muscle originates from: A. Spinous processes of T3 - T6 B. Spinous processes of C1 - C3 C. Clavicle D. Ribs 4 - 6
A. SPINOUS PROCESS OF T3-T6
33
The splenius cervicis muscle inserts into: A. Transverse processes of C1 - C3 B. Spinous processes of C4 - C7 C. Humerus D. Scapula
A. TRANSVERSE PROCESSES OF C1-C3
34
The splenius muscles are involved in: A. Flexion of the neck B. Extension, lateral flexion, and rotation of the neck C. Abduction of the arms D. Adduction of the thighs
B. EXTENSION, LATERAL FEXION AND ROTAION OF THE NECK
35
The interspinales muscles are located: A. Between the spinous processes of adjacent vertebrae B. Between the transverse processes of adjacent vertebrae C. Between the ribs D. Between the scapula and the humerus
A. BETWEEN THE SPINOUS PROCESSES OF ADJACENT VERTEBRAE
36
The intertransversarii muscles are responsible for: A. Flexion of the spine B. Lateral flexion of the spine C. Extension of the spine D. Rotation of the spine
B. LATERAL FLEXION OF THE SPINE
37
The rotatores muscles are part of the: A. Superficial back muscles B. Intermediate back muscles C. Deep back muscles D. Anterior chest muscles
C. DEEP BACK MUSCLES
38
The rotatores muscles help in: A. Flexion of the spine B. Extension and rotation of the spine C. Abduction of the shoulders D. Adduction of the hips
B. EXTENSION AND ROTAION OF THE SPINE
39
The levatores costarum muscles originate from: A. Transverse processes of C7 - T11 B. Spinous processes of T1 - T12 C. Clavicle D. Ribs 1 - 5
A. TRANSVERSE PROCESSES OF C7-T11
40
The levatores costarum muscles insert into: A. Ribs below their origin B. Ribs above their origin C. Scapula D. Humerus
A. ribs below their origin
41
The function of the levatores costarum muscles is: A. Depression of the ribs B. Elevation of the ribs C. Flexion of the spine D. Extension of the arms
B. Elevation of the ribs
42
The erector spinae muscles receive their blood supply mainly from: A. Subclavian artery B. Axillary artery C. Segmental branches of the posterior intercostal arteries D. Femoral artery
C. segmental branches of the posterior intercostal arteries
43
The trapezius muscle can be divided into: A. Two parts B. Three parts (upper, middle, and lower) C. Four parts D. Five parts
B. Three parts ( upper, middle, lower)
44
The upper fibers of the trapezius muscle are involved in: A. Depression of the scapula B. Elevation of the scapula C. Protraction of the scapula D. Retraction of the scapula
B. elevation of the scapula
45
The middle fibers of the trapezius muscle are responsible for: A. Elevation of the scapula B. Depression of the scapula C. Retraction of the scapula D. Protraction of the scapula
C. Reatraction of the scapula
46
The lower fibers of the trapezius muscle help in: A. Elevation of the scapula B. Depression of the scapula C. Protraction of the scapula D. Lateral rotation of the scapula
B. Depression of the scapula
47
The latissimus dorsi muscle is innervated by the: A. Dorsal scapular nerve B. Thoracodorsal nerve C. Subscapular nerve D. Axillary nerve
B. Thoracodorsal nerve
48
Damage to the thoracodorsal nerve would affect the function of which muscle? A. Trapezius B. Rhomboid major C. Latissimus dorsi D. Levator scapulae
C. lattisimus dorsi
49
The deep back muscles play a crucial role in: A. Maintaining posture and stability of the vertebral column B. Movement of the arms C. Movement of the legs D. Facial expressions
A. maintaining posture and stability of the vertebral column

P2 ANATOMY (part 2) (9 decks)

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