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Anatomy Written > IMPORTANT QUESTIONS > Flashcards

IMPORTANT QUESTIONS Flashcards

1
Q

What is the route of the musculocutaneosu nerve?

A

its pierces coracobrachialis - emerges between biceeps brachii & brachialis - continues in lateral aspect of forearm as the lateral cutaneous nerve

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2
Q

What is the course of the axillary nerve?

A

from origin to inferior border of subscapularis, then to long head of triceps, medially to surgical neck of humerus finally runs beneath the deltoid muscle
terminates in post. , ant. and articular terminal branches

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3
Q

What is the course of the median nerve ?

A

runs through thelateral anterior portion of the arm and medial portion of forearm before finishing its path at the hand and digits in recurrent and palmar digit branches resp.

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4
Q

What is the course of the radial nerve?

A

arises in the axillary region and descends down along the posterior surface of the humerus passes through the cubital fossa and terminates in the posterior compartment of the forearm, by dividing into two terminal branches: superficial (sensory) and deep (motor).

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5
Q

what is the course of the ulnar nerve?

A

travels down the inner side of the arm, passes through the cubital tunnel at the elbow, and continues into the hand through guyon’s canal

terminates in superficial and deep branches

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6
Q

The brachial plexus is formed by the ventral rami of which spinal nerves?
a. Dorsal rami of C5-T1
b. Ventral rami of C5-T1
c. Dorsal rami of C1-C4
d. Ventral rami of C2-C7

A

b

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7
Q

Which of the following nerves is responsible for the sensation over the lateral aspect of the forearm and hand?
a. Ulnar nerve
b. Median nerve
c. Radial nerve
d. Musculocutaneous nerve

A

b

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8
Q

Injury to the radial nerve may result in weakness or paralysis of muscles involved in:
a. Flexion of the elbow
b. Extension of the wrist and fingers
c. Pronation of the forearm
d. Adduction of the shoulder

A

a

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9
Q

Which nerve is responsible for the motor innervation of the intrinsic muscles of the hand?
a. Radial nerve
b. Ulnar nerve
c. Median nerve
d. Axillary nerve

A

b

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10
Q

Which brachial plexus injury is often referred to as “waiter’s tip” due to the characteristic position of the affected limb?
a. Erb’s palsy
b. Klumpke’s palsy
c. Thoracic outlet syndrome
d. Winged scapula

A

a

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11
Q

The brachial plexus gives rise to a nerve that innervates the muscles responsible for flexing the elbow joint. Which nerve is it?
a. Radial nerve
b. Median nerve
c. Ulnar nerve
d. Musculocutaneous nerve

A

d

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12
Q

Which brachial plexus injury is characterized by paralysis of the muscles of the forearm and intrinsic hand muscles, resulting in a “claw hand” deformity?
a. Erb’s palsy
b. Klumpke’s palsy
c. Thoracic outlet syndrome
d. Winged scapula

A

b

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13
Q

The ulnar nerve is responsible for the motor innervation of which group of muscles?
a. Muscles of the anterior forearm
b. Muscles of the posterior forearm
c. Intrinsic muscles of the hand
d. Muscles of the upper arm

A

c

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14
Q

Which nerve of the brachial plexus passes through the cubital fossa and is susceptible to injury at the elbow, resulting in symptoms such as “tingling” or “funny bone” sensation?
a. Radial nerve
b. Ulnar nerve
c. Median nerve
d. Axillary nerve

A

b

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15
Q

The joint between the forearm bones (radius and ulna) and the carpals is an example of a:
a. Hinge joint
b. Pivot joint
c. Ball-and-socket joint
d. Gliding joint

A

a

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16
Q

The largest part of the human brain is the:
a. Cerebrum
b. Cerebellum
c. Medulla oblongata
d. Pons

A

a

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17
Q

Which of the following is a ball-and-socket joint?
a. Elbow joint
b. Hip joint
c. Knee joint
d. Shoulder joint

A

b

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18
Q

What is the primary action of the pronator teres muscle?
a. Supination of the forearm
b. Pronation of the forearm
c. Flexion of the wrist
d. Extension of the fingers

A

b

19
Q

Which muscle is responsible for extension at the elbow joint and is innervated by the radial nerve?
a. Triceps Brachii
b. Anconeus
c. Brachialis
d. Brachioradialis

A

a

20
Q

The muscles responsible for flexing the fingers and are innervated by the median nerve are collectively known as:
a. Lumbricals
b. Palmar Interossei
c. Flexor Digitorum Profundus
d. Thenar Muscles

A

c

21
Q

Which muscle is located in the anterior compartment of the forearm and is responsible for flexing the wrist?
a. Flexor Carpi Radialis
b. Extensor Carpi Radialis Longus
c. Palmaris Longus
d. Extensor Carpi Ulnaris

A

a

22
Q

Which muscle is located in the posterior compartment of the arm and is responsible for extending the elbow?
a. Brachialis
b. Triceps Brachii
c. Brachioradialis
d. Anconeus

A

b

23
Q

Which muscle of the forearm has both its origin and insertion on the radius and is involved in flexing the elbow?
a. Brachioradialis
b. Pronator Teres
c. Flexor Carpi Radialis
d. Extensor Carpi Radialis Longus

A

a

24
Q

The primary action of the coracobrachialis muscle is:
a. Adduction and medial rotation of the arm
b. Flexion and lateral rotation of the arm
c. Abduction and lateral rotation of the arm
d. Flexion and medial rotation of the arm

A

a

25
Q

The brachial artery is typically located between which two muscles in the arm?
a. Biceps Brachii and Brachialis
b. Triceps Brachii and Brachioradialis
c. Brachialis and Coracobrachialis
d. Brachioradialis and Pronator Teres

A

c

26
Q

The muscle responsible for adducting the thumb is innervated by:
a. Ulnar nerve
b. Median nerve
c. Radial nerve
d. Musculocutaneous nerve

A

b

27
Q

The muscle responsible for flexing the fingers at the metacarpophalangeal joints and extending the fingers at the interphalangeal joints is innervated by:
a. Median nerve
b. Ulnar nerve
c. Radial nerve
d. Musculocutaneous nerve

A

b

28
Q

Which muscle is correctly matched with its innervation?
a. Extensor Carpi Radialis Longus - Median nerve
b. Abductor Pollicis Brevis - Ulnar nerve
c. Pronator Teres - Radial nerve
d. Flexor Digitorum Profundus - Musculocutaneous nerve

A

b

29
Q

The muscle responsible for pronating the forearm is innervated by:
a. Radial nerve
b. Ulnar nerve
c. Median nerve
d. Musculocutaneous nerve

A

c

30
Q

Which muscle of the hand is correctly paired with its innervation?
a. Adductor Pollicis - Median nerve
b. Flexor Digiti Minimi Brevis - Ulnar nerve
c. Opponens Digiti Minimi - Radial nerve
d. Abductor Digiti Minimi - Musculocutaneous nerve

A

b

31
Q

The space between the teres major and subscapularis muscles, through which the axillary nerve passes, is known as:
a. Quadrilateral space
b. Triangular interval
c. Cubital fossa
d. Deltopectoral triangle

A

b

32
Q

The anatomical area commonly referred to as the “funny bone,” where the ulnar nerve is vulnerable to compression, is:
a. Cubital fossa
b. Carpal tunnel
c. Medial epicondyle
d. Anatomical snuffbox

A

c

33
Q

The thoracic outlet syndrome may compress which important structure passing through this space?
a. Radial nerve
b. Axillary artery
c. Median nerve
d. Ulnar nerve

A

b

34
Q

What major vessel is found in the deltopectoral groove?
a. Brachial artery
b. Subclavian artery
c. Axillary artery
d. Radial artery

A

a

35
Q

What structures pass through the carpal tunnel?
a. Median nerve and flexor tendons
b. Ulnar nerve and extensor tendons
c. Radial nerve and flexor tendons
d. Ulnar artery and median nerve

A

a

36
Q

The axillary artery gives rise to which artery within the quadrangular space?
a. Brachial artery
b. Posterior circumflex humeral artery
c. Subscapular artery
d. Profunda brachii artery

A

b

37
Q

In the cubital fossa, the biceps brachii tendon lies lateral to the:
a. Brachialis muscle
b. Median nerve
c. Ulnar nerve
d. Radial artery

A

d

38
Q

The subacromial space contains which important structure?
a. Axillary nerve
b. Brachial artery
c. Ulnar nerve
d. Radial artery

A

a

39
Q

Which muscle forms the floor of the anatomical snuffbox?
a. Extensor pollicis longus
b. Abductor pollicis longus
c. Extensor carpi radialis brevis
d. Extensor digitorum

A

a

40
Q

What structure is located in the deltopectoral triangle and may be injured during anterior shoulder dislocation?
a. Subclavian artery
b. Brachial plexus
c. Axillary nerve
d. Cephalic vein

A

c

41
Q

In the forearm, the deep branch of the radial nerve travels with which artery?
a. Radial artery
b. Ulnar artery
c. Brachial artery
d. Profunda brachii artery

A

a

42
Q

Which space is found between the teres major and teres minor muscles and contains the scapular circumflex vessels?
a. Quadrilateral space
b. Triangular space
c. Triangular interval
d. Subdeltoid space

A

a

43
Q

Which nerve, arising from the lateral cord, is responsible for sensory innervation to the lateral forearm and provides motor innervation to the muscles of the anterior forearm?
a. Median nerve
b. Radial nerve
c. Musculocutaneous nerve
d. Ulnar nerve

A

c

44
Q

Venous anastomoses in the upper limb provide important collateral circulation. The prominent venous anastomosis occurs between:

a) Cephalic and basilic veins

b) Radial and ulnar veins

c) Axillary and brachial veins

d) Subclavian and jugular veins

A

b

Anatomy Written (6 decks)

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