McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
Chapters
| 901. |
Which muscle arises in part from the scaphoid tubercle? |
| A. | flexor pollicis brevis |
| B. | abductor pollicis brevis |
| C. | opponens pollicis |
| D. | adductor pollicis |
| E. | first palmar interossei |
| Answer» B. abductor pollicis brevis | |
| 902. |
Which of the following muscles arises, in part, from the radial collateral ligament of the elbow joint? |
| A. | extensor carpi radialis brevis |
| B. | supinator |
| C. | extensor digiti minimi |
| D. | extensor carpi ulnaris |
| E. | extensor digitorum |
| Answer» B. supinator | |
| 903. |
Which nerve is a branch of the lateral cord of the brachial plexus? |
| A. | upper subscapular nerve |
| B. | thoracodorsal nerve |
| C. | musculocutaneous nerve |
| D. | ulnar nerve |
| E. | lower subscapular nerve |
| Answer» C. musculocutaneous nerve | |
| 904. |
The peripheral nerve arising directly from the upper trunk of the brachial plexus is the: |
| A. | dorsal scapular |
| B. | thoracodorsal |
| C. | suprascapular |
| D. | upper subscapular |
| E. | lower subscapular |
| Answer» C. suprascapular | |
| 905. |
The first part of the subclavian artery: |
| A. | usually gives off no branches |
| B. | lies behind the anterior scalene muscle |
| C. | makes a groove in the dome of the pleura |
| D. | is encircled by the ansa cervicalis |
| E. | on the left lies anterior to the common carotid artery |
| Answer» C. makes a groove in the dome of the pleura | |
| 906. |
Regarding tissues: |
| A. | cartilage is very vascular |
| B. | ligaments do not stretch |
| C. | deep fascia is not sensitive |
| D. | cardiac muscle is nonstriated |
| E. | periosteum is not sensitive |
| Answer» B. ligaments do not stretch | |
| 907. |
An example of a secondary cartilaginous joint is: |
| A. | distal tibiofibular joint |
| B. | costochondral joint |
| C. | sagittal suture |
| D. | sternal angle joint |
| E. | knee joint |
| Answer» D. sternal angle joint | |
| 908. |
Which vessel is not an end-artery? |
| A. | renal artery |
| B. | retinal artery |
| C. | pulmonary artery |
| D. | intercostal artery |
| E. | splenic artery |
| Answer» D. intercostal artery | |
| 909. |
A group C nerve fibre: |
| A. | is up to 20 nm in diameter |
| B. | is myelinated |
| C. | has motor function |
| D. | is fusimotor to muscle spindles |
| E. | is post-ganglionic autonomic |
| Answer» E. is post-ganglionic autonomic | |
| 910. |
At birth: |
| A. | the transverse diameter of the thorax is thrice the AP diameter |
| B. | the liver is relatively twice as big as that of the adult |
| C. | the suprarenal gland is twice as big as the kidney |
| D. | the spinal cord extends to L5 |
| E. | the rib cage is more vertically inclined than in the adult |
| Answer» B. the liver is relatively twice as big as that of the adult | |
| 911. |
In the foetal skull: |
| A. | the vertical height of the orbit is equal to the combined vertical heights of the maxilla and the mandible |
| B. | the mandible is ossified at birth |
| C. | the anterior fontanelle is closed at the end of the first year |
| D. | the volume of the vault is equal to that of the face |
| E. | the bones of the face and the vault ossify at six years |
| Answer» A. the vertical height of the orbit is equal to the combined vertical heights of the maxilla and the mandible | |
| 912. |
Regarding the sympathetic nervous system: |
| A. | every spinal nerve receives a white ramus communicans |
| B. | efferent post ganglionic fibres are myelinated |
| C. | afferent sympathetic fibres synapse in the sympathetic trunk |
| D. | preganglionic cell bodies lie within the lateral horn cells of the T1-L2 spinal segments |
| E. | each cervical ganglion gives off one ramus communicans |
| Answer» D. preganglionic cell bodies lie within the lateral horn cells of the T1-L2 spinal segments | |
| 913. |
Which of the following nerve roots is correctly associated with the corresponding muscle action? |
| A. | L5 – plantar flexion of the foot |
| B. | L2 – knee extension |
| C. | C5 – abduction of the shoulder |
| D. | C8 – abduction of the thumb |
| E. | S1 – extension of the great toe |
| Answer» C. C5 – abduction of the shoulder | |
| 914. |
In the skin: |
| A. | apocrine sweat glands are confined to the axillae, breasts and urogenital region |
| B. | dark skinned races possess greater numbers of melanocytes |
| C. | sebaceous glands are abundant on the palms and soles |
| D. | melanocytes predominate in the dermis |
| E. | eccrine glands develop under the influence of the sex hormones |
| Answer» A. apocrine sweat glands are confined to the axillae, breasts and urogenital region | |
| 915. |
Regarding bone: |
| A. | cancellous and compact bone show marked microscopic differences |
| B. | the clavicle ossifies in membrane |
| C. | the bones of the skull and face ossify in cartilage |
| D. | the epiphyseal plates of growing bones are composed of fibrocartilage |
| E. | sesamoid bones are only associated with flexor tendons |
| Answer» B. the clavicle ossifies in membrane | |
| 916. |
The metacarpophalangeal joints are: |
| A. | planar |
| B. | ellipsoid |
| C. | hinge |
| D. | saddle |
| E. | ball in socket |
| Answer» D. saddle | |
| 917. |
Regarding the intrinsic muscles of the hand, which of the following is NOT true? |
| A. | the palmar and dorsal interossei are supplied by the deep branch of the median nerve |
| B. | the intrinsic muscles of the thumb are abductor pollicis brevis, flexor pollicis brevis, opponens pollicis , adductor pollicis, first palmar and first dorsal interossei |
| C. | opponens pollicis acts only on the carpometacarpal joint |
| D. | their motor supply is derived from segment T1 of the spinal cord |
| E. | the thenar muscles are supplied by the recurrent branch of the median nerve |
| Answer» A. the palmar and dorsal interossei are supplied by the deep branch of the median nerve | |
| 918. |
Regarding the synovial flexor sheaths, which of the following is NOT true? |
| A. | three synovial sheaths are found on the front of the wrist |
| B. | a common synovial sheath envelops all the superficialis and profundus tendons |
| C. | the sheath around flexor pollicis longus tendon extends almost to its insertion |
| D. | the flexor carpi ulnaris tendon has a short sheath |
| E. | the ring, middle and index fingers have digital sheaths that do not extend to the common sheath |
| Answer» D. the flexor carpi ulnaris tendon has a short sheath | |
| 919. |
The recurrent branch of the median nerve supplies: |
| A. | opponens digiti minimi |
| B. | first dorsal interosseous |
| C. | adductor pollicis |
| D. | first lumbrical |
| E. | abductor pollicis brevis |
| Answer» C. adductor pollicis | |
| 920. |
The corocobrachialis muscle: |
| A. | is functionally important |
| B. | origin = apex of acromion |
| C. | insertion = lateral border of humerus |
| D. | nerve supply = C4, C5 |
| E. | is pierced by the musculocutaneous nerve |
| Answer» E. is pierced by the musculocutaneous nerve | |
| 921. |
Which structure lies in the deltopectoral groove? |
| A. | median pectoral nerve |
| B. | lateral pectoral nerve |
| C. | cephalic vein |
| D. | basilic vein |
| E. | axillary vein |
| Answer» C. cephalic vein | |
| 922. |
Which lymph nodes drain the ulnar side of the forearm? |
| A. | infratrochlear |
| B. | supratrochlear |
| C. | infraclavicular |
| D. | anterior axillary |
| E. | ulnar trochlear |
| Answer» B. supratrochlear | |
| 923. |
Which does NOT enter posterior compartment of the arm? |
| A. | radial nerve |
| B. | profunda brachii artery |
| C. | ulnar nerve |
| D. | posterior cutaneous nerve of forearm |
| E. | superior ulnar collateral artery |
| Answer» E. superior ulnar collateral artery | |
| 924. |
The annular ligament of the elbow: |
| A. | has minimal usefulness |
| B. | is attached to margins of the radial notch of the ulna |
| C. | is attached to the head and neck of the radius |
| D. | has common attachment with ulnar collateral ligament |
| E. | is attached to the lateral epicondy???????? |
| Answer» B. is attached to margins of the radial notch of the ulna | |
| 925. |
Extensor pollicis brevis: |
| A. | origin – radius and interosseous membrane |
| B. | lies on ulnar side of snuffbox |
| C. | inserts into the base of the first distal phalanx |
| D. | nerve supply = ulnar nerve |
| E. | joins extensor digitorum tendon at metacarpophalangeal joint |
| Answer» A. origin – radius and interosseous membrane | |
| 926. |
Extensor pollicis longus – which is INCORRECT? |
| A. | origin = ulnar just distal to adductor pollicis longus |
| B. | insertion = base of first distal phalanx |
| C. | tendon hooks around Lister’s tubercle (radius) |
| D. | forms radial boundary of snuffbox |
| E. | nerve supply – posterior interosseous nerve (C7, 8) |
| Answer» D. forms radial boundary of snuffbox | |
| 927. |
Extensor indicis: |
| A. | origin = radius |
| B. | shares a common synovial sheath with E.D. (?extensor digitorum) |
| C. | tendon lies on radial side of E.D. tendon index finger |
| D. | separate insertion from dorsal expansion E.D. |
| E. | nerve supply = median nerve |
| Answer» B. shares a common synovial sheath with E.D. (?extensor digitorum) | |
| 928. |
The extensor retinaculum attaches between: |
| A. | radius and ulna |
| B. | scaphoid and ulna |
| C. | radius and triquetral and pisiform |
| D. | radius and lunate |
| E. | trapezium and ulnar |
| Answer» C. radius and triquetral and pisiform | |
| 929. |
All the following statements concerning the scaphoid bone are true EXCEPT: |
| A. | it articulates with radius proximally in abduction |
| B. | it is the most susceptible of the carpal bones to fracture |
| C. | it participates in the midcarpal joint |
| D. | it receives an attachment for the transverse carpal ligament |
| E. | fracture of the scaphoid is a common cause for median nerve compression in carpal tunnel syndrome |
| Answer» E. fracture of the scaphoid is a common cause for median nerve compression in carpal tunnel syndrome | |
| 930. |
All of the following structures pass deep to the transverse carpal ligament EXCEPT the: |
| A. | flexor digitorum superficialis tendon |
| B. | flexor digitorum profundus tendon |
| C. | flexor pollicis longus tendon |
| D. | median nerve |
| E. | ulnar artery |
| Answer» E. ulnar artery | |
| 931. |
Laceration of the recurrent branch of the median nerve results in paralysis of all the following muscles of the thumb EXCEPT: |
| A. | abductor pollicis brevis |
| B. | deep head of flexor pollicis brevis |
| C. | opponens pollicis |
| D. | superficial head of flexor pollicis brevis |
| E. | ulnar artery |
| Answer» B. deep head of flexor pollicis brevis | |
| 932. |
Which muscle is the odd one out? |
| A. | pronator teres |
| B. | flexor carpi radialis |
| C. | first lumbrical of the hand |
| D. | fourth lumbrical of the hand |
| E. | flexor pollicis longus |
| Answer» D. fourth lumbrical of the hand | |
| 933. |
Infection in the volar aspect of the little finger can spread to all EXCEPT: |
| A. | distally to the ring finger via the tendon sheath |
| B. | to the flexor sheath of the thumb |
| C. | to the distal forearm through the carpal tunnel |
| D. | rupture of the sheath and spread to deep spaces of the palm |
| E. | ischaemic necrosis may occur to the flexor tendon involved |
| Answer» A. distally to the ring finger via the tendon sheath | |
| 934. |
Wrist: |
| A. | the flexor retinaculum runs between the styloid process of the radius and the pisiform and hook of hamate |
| B. | the median nerve passes beneath the flexor retinaculum between flexor digitorum superficialis and flexor carpi ulnaris |
| C. | the ulnar nerve lies on the flexor retinaculum with the ulnar artery on its ulnar side |
| D. | the wrist joint involves the radius, ulna, scaphoid, lunate and triquetral bones |
| E. | the radiocarpal joint is separated from the distal radioulnar joint by a triangular fibrocartilage |
| Answer» E. the radiocarpal joint is separated from the distal radioulnar joint by a triangular fibrocartilage | |
| 935. |
Hand: |
| A. | palmar brevis lies across the base of the thenar eminence |
| B. | abductor pollicis brevis and opponens pollicis both arise from the flexor retinaculum and adjacent trapezium |
| C. | flexor pollicis brevis lies to radial side of abductor pollicis brevis |
| D. | the muscles of the thenar eminence are usually supplied by the recurrent branch of the median nerve |
| E. | opponens pollicis inserts into the whole of the ulnar border of the first metacarpal |
| Answer» D. the muscles of the thenar eminence are usually supplied by the recurrent branch of the median nerve | |
| 936. |
Trapezius inserts into: |
| A. | vertebral border scapula |
| B. | scapula spine |
| C. | proximal humerus |
| D. | medial clavicle |
| E. | none of the above |
| Answer» B. scapula spine | |
| 937. |
Myotome of elbow flexion: |
| A. | C5, 6 |
| B. | C6, 7 |
| C. | C7, 8 |
| D. | C5 |
| E. | C6 |
| Answer» A. C5, 6 | |
| 938. |
Vincula: |
| A. | papillary ridges of skin that form finger prints |
| B. | superficial fibres of palmar aponeurosis that insert into the skin |
| C. | remnant fibres of palmar interossei inserting into the proximal phalanx at the thumb |
| D. | communication between common flexor sheath and sheath of pollicis longus present in 50% of people |
| E. | vascular synovial folds of flexor tendons |
| Answer» E. vascular synovial folds of flexor tendons | |
| 939. |
Of the hand joints, which is INCORRECT? |
| A. | the midcarpal joint is S shaped |
| B. | joint between hamate and fifth metacarpal is most mobile at four digits |
| C. | the first carpometacarpal joint is reinforced by the medial and palmar ligaments |
| D. | palmar ligaments of metacarpophalangeal joints limit extension of joint |
| E. | interphalangeal joints ????have to obliquely place collateral ligaments as a mechanism of tightening re flexion and extension |
| Answer» C. the first carpometacarpal joint is reinforced by the medial and palmar ligaments | |
| 940. |
Which is true of brachial plexus? |
| A. | the trunks lie behind scalene muscle |
| B. | accessory phrenic nerve fibres run to superior mediastinum with long thoracic nerve |
| C. | median nerve divides at the carpal tunnel, lateral branch supplies thenar muscles and medial branch supplies lumbricals (2) |
| D. | ulnar nerve in 95% of cases picks up C7 fibres from lateral cord |
| E. | branches of radial nerve rise just proximal to their destination |
| Answer» D. ulnar nerve in 95% of cases picks up C7 fibres from lateral cord | |
| 941. |
Which of the following structures is likely to get damaged when the semiflexed knee is suddenly rotated medially |
| A. | anterior cruciate ligament |
| B. | lateral meniscus |
| C. | medial meniscus |
| D. | posterior cruciate ligament |
| Answer» C. medial meniscus | |
| 942. |
Trendelenberg's test is positive in following conditions EXCEPT; |
| A. | dislocation of hip |
| B. | fracture neck femur |
| C. | paralysis of gluteus medius |
| D. | paralysis of gluteus maximus |
| Answer» D. paralysis of gluteus maximus | |
| 943. |
Gyrus occupying Broca's speech area is |
| A. | superior frontal |
| B. | middle frontal |
| C. | inferior frontal |
| D. | superior temporal |
| Answer» C. inferior frontal | |
| 944. |
In midbrain following structures are found at the level of occulomotor nerve nucleus |
| A. | red nucleus |
| B. | pretectal nucleus |
| C. | substantia nigra |
| D. | decussation of superior cerebellar peduncle |
| Answer» D. decussation of superior cerebellar peduncle | |
| 945. |
Following are all the features of cerebellar lesions EXCEPT |
| A. | dysdidochokinesis |
| B. | nystagmus |
| C. | rigidity of voluntary muscles |
| D. | intention tremors |
| Answer» C. rigidity of voluntary muscles | |
| 946. |
The nerve having Edinger Westphall nucleus as its component is |
| A. | occulomotor |
| B. | trochlear |
| C. | trigeminal |
| D. | abducent |
| Answer» A. occulomotor | |
| 947. |
Pharyngotypanic tube connects the middle ear cavity with |
| A. | oropharynx |
| B. | nasopharynx |
| C. | nasal cavity |
| D. | laryngo pharynx |
| Answer» B. nasopharynx | |
| 948. |
Only abductor of vocal cords is |
| A. | posterior cricoarytenoid |
| B. | inter arytenoid |
| C. | lateral crico arytenoid |
| D. | cricothyroid |
| Answer» A. posterior cricoarytenoid | |
| 949. |
Sensory nerve for upper lip is |
| A. | facial |
| B. | infra orbital |
| C. | buccal |
| D. | external nasal |
| Answer» B. infra orbital | |
| 950. |
Structure passing deep to hyoglossus is |
| A. | hypoglossal nerve |
| B. | myelohyoid nerve |
| C. | submandibular duct |
| D. | lingual artery |
| Answer» D. lingual artery | |
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