McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
Chapters
| 51. |
The carpus: |
| A. | there are five extensor tunnel compartments |
| B. | the extensor expansion attaches to the anterolateral border of the radius above the styloid process, and distally to the pisiform and trapezoid bones |
| C. | the radiocarpal joint is an uniaxial synovial joint |
| D. | there are no muscular attachments to the extensor surface of the carpus |
| E. | the bones palpable in the anatomical snuff box are the radial styloid, triquetral, scaphoid and base of first metacarpal |
| Answer» D. there are no muscular attachments to the extensor surface of the carpus | |
| 52. |
Which is true? |
| A. | the flexor synovial sheath is only continuous from wrist to distal phalanx in the thumb |
| B. | the medial cutaneous nerve is the smallest nerve branch of the brachial plexus |
| C. | the capitate bone within the carpus is the last of these to ossify |
| D. | the pisiform bone is the first bone of the carpus to ossify |
| E. | superficial lymphatics lie with arteries, deep lymphatics with veins |
| Answer» B. the medial cutaneous nerve is the smallest nerve branch of the brachial plexus | |
| 53. |
Regarding sweat glands, which is true? |
| A. | the main nerve supply is via cholinergic sympathetic fibres |
| B. | the main nerve supply is via adrenergic sympathetic nerves |
| C. | the sweat glands derive from the mesoderm |
| D. | the normal tubular sweat glands undergo cyclical changes with the menstrual cycle |
| E. | the highest number of sweat glands are found on the soles and palms |
| Answer» A. the main nerve supply is via cholinergic sympathetic fibres | |
| 54. |
Regarding cartilage, which is true? |
| A. | they have a rich blood supply |
| B. | the intervertebral discs are hyaline cartilages |
| C. | the hyaline and fibrocartilages never calcify |
| D. | the elastic cartilage never calcifies |
| E. | the commonest cartilage type is elastic cartilage |
| Answer» D. the elastic cartilage never calcifies | |
| 55. |
Regarding muscles, which is true? |
| A. | the cardiac muscle is more powerful than the other two muscle types |
| B. | the skeletal muscle fibre is spindle shaped |
| C. | the smooth muscles do not have actin and myosin |
| D. | the skeletal muscle contraction causes peristalsis in the GI tract and ureter |
| E. | the cardiac muscle is short, branched, mononuclear and a striated muscle |
| Answer» E. the cardiac muscle is short, branched, mononuclear and a striated muscle | |
| 56. |
Regarding periosteum, which is TRUE? |
| A. | it is an avascular fibrous tissue |
| B. | it is osteogenic |
| C. | it covers the articular surfaces of long bones |
| D. | it covers the inner surface of the medullary cavity |
| E. | it receives its blood supply from overlying muscle |
| Answer» B. it is osteogenic | |
| 57. |
An example of secondary cartilaginous joint include: |
| A. | hip joint |
| B. | manubrio-sternal joint |
| C. | costochondral joint |
| D. | epiphysis joint |
| E. | wrist joint |
| Answer» B. manubrio-sternal joint | |
| 58. |
An example of a fibrous joint include: |
| A. | structures of the vault of the skull |
| B. | the vertebral columns |
| C. | pubic symphysis |
| D. | hip joint |
| E. | manubrio-sternal joint |
| Answer» A. structures of the vault of the skull | |
| 59. |
Which of the following peripheral fibres have pain and temperature fibres? |
| A. | α neurone |
| B. | β neurone |
| C. | γ neurone |
| D. | δ neurone |
| E. | group B fibres |
| Answer» D. δ neurone | |
| 60. |
Pectoralis major: |
| A. | is innervated laterally by the lateral pectoral nerve |
| B. | inserts into the medial lip of the intertubercular sulcus |
| C. | receives its arterial supply via the thoracoacromial artery |
| D. | can act as an accessory muscle of inspiration |
| E. | acts with latissimus dorsi and teres minor to adduct the arm |
| Answer» D. can act as an accessory muscle of inspiration | |
| 61. |
Regarding the brachial plexus: |
| A. | the suprascapular nerve arises from the anterior C5, 6 division |
| B. | ulnar nerve often carries fibres from C7 |
| C. | the radial nerve leaves the axilla via the quadrangular space |
| D. | the radial artery lies anterior to the medial and lateral roots of the median nerve |
| E. | the long thoracic nerve arises from the C5 nerve root only |
| Answer» B. ulnar nerve often carries fibres from C7 | |
| 62. |
The subacromial bursa: |
| A. | communicates with the shoulder joint |
| B. | does not extend beyond the lateral aspect of the acromion |
| C. | innervated in part by the dorsal scapular nerve |
| D. | attached superiorly to the conoid trapezoid and conoid ligaments |
| E. | attached inferiorly to the tendon of supraspinatus |
| Answer» E. attached inferiorly to the tendon of supraspinatus | |
| 63. |
Regarding the brachial plexus: |
| A. | the medial cord has three branches |
| B. | the lateral cord has fibres from C7, C8 and T1 |
| C. | the musculocutaneous nerve is a branch of the medial cord |
| D. | the five roots are found from the posterior rami and C5 – T1 nerves |
| E. | none of the above |
| Answer» E. none of the above | |
| 64. |
At the carpal tunnel: |
| A. | the flexor tendon synovial sheath is incomplete on the ulnar side |
| B. | the superficial tendons lie in the same plane |
| C. | the four profundus tendons have not yet separated |
| D. | the median nerve lies lateral to flexor digitorum superficialis |
| E. | median nerve compression causes anaesthesia over the thenar eminence |
| Answer» D. the median nerve lies lateral to flexor digitorum superficialis | |
| 65. |
What structure pierces the flexor retinaculum? |
| A. | ulnar nerve |
| B. | flexor carpi radialis tendon |
| C. | palmar branch of median nerve |
| D. | flexor pollicis longus tendon |
| E. | ulnar artery |
| Answer» B. flexor carpi radialis tendon | |
| 66. |
The lumbrical muscles: |
| A. | arise from the four superficial tendons |
| B. | are all bicipital muscles |
| C. | pass along the ulnar side of the metacarpophalangeal joint |
| D. | flex the metacarpophalangeal joint |
| E. | attach directly to the first phalanx |
| Answer» D. flex the metacarpophalangeal joint | |
| 67. |
The following are true about flexor carpi radialis EXCEPT: |
| A. | it arises from the common flexor origin at the humerus |
| B. | it has its own compartment in the flexor retinaculum |
| C. | the radial artery lies laterally to it at the wrist |
| D. | flexor pollicis longus lies medially |
| E. | it is supplied by the median nerve |
| Answer» D. flexor pollicis longus lies medially | |
| 68. |
Which is the smallest branch of the medial cord of the brachial plexus? |
| A. | medial pectoral nerve |
| B. | medial root of the median nerve |
| C. | medial cutaneous nerve of the arm |
| D. | medial cutaneous nerve of the forearm |
| E. | ulnar nerve |
| Answer» C. medial cutaneous nerve of the arm | |
| 69. |
The nerve supply of serratus anterior is: |
| A. | axillary nerve |
| B. | C4 |
| C. | dorsal scapular nerve |
| D. | thoracodorsal nerve |
| E. | long thoracic nerve |
| Answer» E. long thoracic nerve | |
| 70. |
Which muscle arises from both the radius and ulna: |
| A. | extensor pollicis longus |
| B. | extensor pollicis brevis |
| C. | abductor pollicis longus |
| D. | extensor indicis |
| E. | extensor digitorum |
| Answer» C. abductor pollicis longus | |
| 71. |
Which lymphatics do not drain the breast? |
| A. | subscapular nodes |
| B. | infraclavicular nodes |
| C. | lateral axillary nodes |
| D. | parasternal nodes |
| E. | pectoral nodes |
| Answer» C. lateral axillary nodes | |
| 72. |
At the cubital fossa: |
| A. | the median nerve is medial to the brachial artery |
| B. | the biceps tendon separates the brachial artery from the median nerve |
| C. | the radial artery leaves the brachial artery at right angles |
| D. | the medial cutaneous nerve of the forearm runs deep to the bicipital aponeurosis |
| E. | pronator teres forms the floor of the fossa |
| Answer» A. the median nerve is medial to the brachial artery | |
| 73. |
The radial nerve gives rise to all the following except the: |
| A. | posterior cutaneous nerve of the arm |
| B. | lower lateral cutaneous nerve of the arm |
| C. | posterior cutaneous nerve of the forearm |
| D. | posterior interosseous nerve |
| E. | medial cutaneous nerve of the arm |
| Answer» E. medial cutaneous nerve of the arm | |
| 74. |
Which of the following is INCORRECT? Pectoralis minor: |
| A. | arises from the 3rd, 4th and 5th ribs |
| B. | inserts into the coracoid process of the scapula |
| C. | is innervated by both pectoral nerves |
| D. | is an important landmark to the underlying axillary artery |
| E. | is a medial rotator and adductor of the arm |
| Answer» E. is a medial rotator and adductor of the arm | |
| 75. |
Which of the following is INCORRECT? Pectoralis major: |
| A. | consists of clavicular and sternocostal heads |
| B. | is innervated by C6 to T1 |
| C. | medially rotates and abducts the arm |
| D. | assists flexion at the shoulder |
| E. | can act as an accessory muscle of respiration |
| Answer» B. is innervated by C6 to T1 | |
| 76. |
The nerve supply of latissimus dorsi is from the: |
| A. | pectoral nerves |
| B. | thoracodorsal nerve |
| C. | axillary nerve |
| D. | long thoracic nerve |
| E. | dorsal scapular nerve |
| Answer» B. thoracodorsal nerve | |
| 77. |
The nerve supply of rhomboid major and rhomboid minor is from the: |
| A. | pectoral nerves |
| B. | thoracodorsal nerve |
| C. | axillary nerve |
| D. | long thoracic nerve |
| E. | dorsal scapular nerve |
| Answer» E. dorsal scapular nerve | |
| 78. |
The nerve supply of serratus anterior is from the: |
| A. | pectoral nerves |
| B. | thoracodorsal nerve |
| C. | axillary nerve |
| D. | long thoracic nerve |
| E. | dorsal scapular nerve |
| Answer» D. long thoracic nerve | |
| 79. |
The nerve supply of pectoralis minor is from the: |
| A. | pectoral nerves |
| B. | thoracodorsal nerve |
| C. | axillary nerve |
| D. | long thoracic nerve |
| E. | dorsal scapular nerve |
| Answer» A. pectoral nerves | |
| 80. |
The nerve supply to deltoid is from the: |
| A. | pectoral nerves |
| B. | thoracodorsal nerve |
| C. | axillary nerve |
| D. | long thoracic nerve |
| E. | dorsal scapular nerve |
| Answer» C. axillary nerve | |
| 81. |
Which of the following is INCORRECT? The biceps: |
| A. | is a powerful flexor of the elbow |
| B. | supinates the forearm |
| C. | is paralysed by an injury to the posterior cord of the brachial plexus |
| D. | is a weak flexor of the shoulder |
| E. | inserts into the bicipital aponeurosis |
| Answer» C. is paralysed by an injury to the posterior cord of the brachial plexus | |
| 82. |
Which of the following is not a direct attachment of the pectoral girdle to the trunk? |
| A. | pectoralis minor |
| B. | pectoralis major |
| C. | trapezius |
| D. | serratus anterior |
| E. | levator scapulae |
| Answer» B. pectoralis major | |
| 83. |
Which of the following does not connect the arm to the pelvic girdle? |
| A. | deltoid |
| B. | biceps |
| C. | subclavius |
| D. | subscapularis |
| E. | supraspinatus |
| Answer» C. subclavius | |
| 84. |
The nerve supply to supraspinatus is from the: |
| A. | lower subscapular nerve |
| B. | dorsal scapular nerve |
| C. | suprascapular nerve |
| D. | upper subscapular nerve |
| E. | thoracodorsal nerve |
| Answer» C. suprascapular nerve | |
| 85. |
The nerve supply to teres major is from the: |
| A. | lower subscapular nerve |
| B. | dorsal scapular nerve |
| C. | suprascapular nerve |
| D. | upper subscapular nerve |
| E. | thoracodorsal nerve |
| Answer» A. lower subscapular nerve | |
| 86. |
Which of the following is INCORRECT, regarding branches of the posterior cord? |
| A. | C5, 6 – upper subscapular nerve |
| B. | C6, 7, 8 – thoracodorsal nerve |
| C. | C5, 6 – lower subscapular nerve |
| D. | C7, 8 – axillary |
| E. | C5, 6, 7, 8, T1 – radial nerve |
| Answer» D. C7, 8 – axillary | |
| 87. |
What is the first bone of the skeleton? |
| A. | tibia |
| B. | humerus |
| C. | scapula |
| D. | femur |
| E. | clavicle |
| Answer» E. clavicle | |
| 88. |
Regarding the humerus: |
| A. | the head forms half a sphere |
| B. | the lateral epicondyle is more prominent |
| C. | the axillary nerve winds around the anatomical neck |
| D. | the greater tuberosity continues distally as the medial lip of the intertubecular groove |
| E. | the capsule of the shoulder joint extends down the medial side of the humeral shaft |
| Answer» E. the capsule of the shoulder joint extends down the medial side of the humeral shaft | |
| 89. |
Which muscle does not arise from the common extensor origin? |
| A. | extensor carpi radialis brevis |
| B. | extensor digitorum |
| C. | extensor digiti minimi |
| D. | extensor carpi radialis longus |
| E. | extensor carpi ulnaris |
| Answer» D. extensor carpi radialis longus | |
| 90. |
Regarding the extensor retinaculum: |
| A. | septa divide the extensor region into four compartments |
| B. | it attaches to the ulnar styloid |
| C. | the four extensor digitorum tendons lie deep to extensor indicis |
| D. | it is a thickening of the deep fascia of the forearm |
| E. | it lies transversely across the extensor surface of the wrist joint |
| Answer» D. it is a thickening of the deep fascia of the forearm | |
| 91. |
Brachialis is supplied by: |
| A. | median nerve |
| B. | musculocutaneous nerve |
| C. | radial nerve |
| D. | median and musculocutaneous nn (?nerves) |
| E. | musculocutaneous and radial nn (?nerves) |
| Answer» E. musculocutaneous and radial nn (?nerves) | |
| 92. |
Which carpal bone is most commonly dislocated? |
| A. | lunate |
| B. | scaphoid |
| C. | trapezium |
| D. | capitate |
| E. | pisiform |
| Answer» A. lunate | |
| 93. |
Which muscle arises from both ulnar and radius? |
| A. | pronator teres |
| B. | flexor carpi radialis |
| C. | flexor digitorum superficialis |
| D. | flexor digitorum profundus |
| E. | flexor pollicis longus |
| Answer» C. flexor digitorum superficialis | |
| 94. |
Which structure is NOT attached to the pisiform? |
| A. | abductor digiti minimi |
| B. | ulnar collateral ligament |
| C. | flexor carpi ulnaris |
| D. | extensor retinaculum |
| E. | pisometacarpal ligament |
| Answer» B. ulnar collateral ligament | |
| 95. |
The median nerve goes through the heads of which muscle? |
| A. | biceps brachii |
| B. | supinator |
| C. | pronator teres |
| D. | pronator quadratus |
| E. | flexor digitorum superficialis |
| Answer» C. pronator teres | |
| 96. |
Regarding the interosseous muscle: |
| A. | the palmar interossei have two heads |
| B. | there are usually four palmar interossei |
| C. | the tendons pass on the posterior side of the deep transverse ligament |
| D. | they insert into the extensor expansion, not the proximal phalanges |
| E. | they are supplied by the superficial branch of the ulnar nerve (C8, T1) |
| Answer» C. the tendons pass on the posterior side of the deep transverse ligament | |
| 97. |
Which nerve arises from both radius and ulna? |
| A. | extensor pollicis longus |
| B. | extensor pollicis brevis |
| C. | abductor pollicis longus |
| D. | extensor indicis |
| E. | extensor digitorum |
| Answer» C. abductor pollicis longus | |
| 98. |
In the forearm: |
| A. | the brachial artery lies medial to the median nerve in the cubital fossa |
| B. | the radial artery lies lateral to the radial nerve in the middle third |
| C. | the anterior interosseous nerve arises from the radial nerve |
| D. | the median nerve passes between the two heads of flexor carpi ulnaris |
| E. | the posterior interosseous nerve passes between the two layers of the supinator |
| Answer» E. the posterior interosseous nerve passes between the two layers of the supinator | |
| 99. |
The radial artery: |
| A. | gives rise to the posterior interosseous artery |
| B. | passes distally, lateral to the biceps tendon |
| C. | passes across the tendon of abductor pollicis brevis to enter the anatomical snuffbox |
| D. | passes over the tendon of insertion of pronator teres |
| E. | none of the above |
| Answer» D. passes over the tendon of insertion of pronator teres | |
| 100. |
A high ulnar nerve injury might produce: |
| A. | weakness of elbow flexion |
| B. | a ‘claw hand’ |
| C. | weak abduction of the index finger |
| D. | triceps paralysis |
| E. | sensory loss over the radial three fingers |
| Answer» C. weak abduction of the index finger | |
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