MCQOPTIONS
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MCQOPTIONS
This section includes 864 Mcqs, each offering curated multiple-choice questions to sharpen your Uncategorized topics knowledge and support exam preparation. Choose a topic below to get started.
| 551. |
Regarding the right coronary artery |
| A. | Course through the left auricle and infundibulum |
| B. | Supplies 60% of AV nodes |
| C. | Usually has a posterior interventricular branch |
| D. | Supplies 30% of SA nodes |
| E. | 12th |
| Answer» D. Supplies 30% of SA nodes | |
| 552. |
Regarding the phrenic nerves: |
| A. | pass behind anterior scalene muscle |
| B. | the right nerve pierces the muscular part of the diaphragm |
| C. | they are always in contact with pleura laterally |
| D. | run in mediastinum behind the lung root |
| E. | split into four main branches anterior, posterior, medial and lateral |
| Answer» D. run in mediastinum behind the lung root | |
| 553. |
With regard to the coronary arteries |
| A. | Right arises from the posterior coronary sinus |
| B. | Left supplies the conducting system in most patients |
| C. | Right supplies the posterior descending branch in most patients |
| D. | There are no arteriolar anastomoses between left and right |
| E. | Phrenic nerves |
| Answer» D. There are no arteriolar anastomoses between left and right | |
| 554. |
With regard to the female pelvis, which is NOT true? |
| A. | the cervix is separated from the rectum by the Pouch of Douglas |
| B. | the cervix is separated from the bladder by the vesicouterine pouch |
| C. | the ureter passes 1-2cm lateral to the cervix |
| D. | the ureter passes under both the broad ligament and the uterine artery |
| E. | lymph drainage from the body of the uterus includes the inguinal nodes |
| Answer» C. the ureter passes 1-2cm lateral to the cervix | |
| 555. |
Regarding the phrenic nerves, all of the following are true, EXCEPT: |
| A. | each nerve provides motor supply to own half of diaphragm, left phrenic also supply half of right crus |
| B. | the phrenic nerve is supplied by its own pericardiophrenic artery which accompanies it |
| C. | the right phrenic nerve is in contact with venous structures throughout its course |
| D. | the left phrenic nerve passes to the inferior surface of diaphragm through muscle |
| E. | arising mainly from C4 in the neck, the nerve passes behind the anterior scalene |
| Answer» F. | |
| 556. |
Regarding the bony pelvis |
| A. | The obturator groove is in the ischial bone |
| B. | The greater sciatic foramen transmits the obturator internus |
| C. | The pectineal line lies superior to the acetabulum |
| D. | The inguinal ligament inserts medially into the iliopubic eminence |
| E. | None of the above |
| Answer» F. | |
| 557. |
In the coronary circulation: |
| A. | the commonest arterial pattern is that of left dominance |
| B. | the sinoatrial nodal artery arises from the left coronary artery in almost half the population |
| C. | the anterior cardiac veins drain the left ventricle |
| D. | the coronary sinus drains into the left atrium |
| E. | the right coronary artery arises from the posterior aortic sinus |
| Answer» C. the anterior cardiac veins drain the left ventricle | |
| 558. |
Lymph drainage of the testes are to |
| A. | The deep inguinal nodes |
| B. | The mediastinal nodes |
| C. | The para-aortic nodes |
| D. | The pectoral group of axillary nodes |
| E. | The external iliac nodes |
| Answer» D. The pectoral group of axillary nodes | |
| 559. |
Regarding the sole of the foot: |
| A. | the heel is supplied by lateral calcanean nerves |
| B. | flexor hallucis brevis lies in the first muscular layer |
| C. | flexor digitorum brevis is the lower limb equivalent of flexor digitorum superficialis |
| D. | the plantar arteries and nerves lie between the second and third muscular layers |
| E. | the medial plantar artery forms the plantar arch with dorsalis pedis artery |
| Answer» D. the plantar arteries and nerves lie between the second and third muscular layers | |
| 560. |
Which is not a component of the second layer of the sole of the foot? |
| A. | Tendon of flexor hallucis longus |
| B. | Abductor hallucis |
| C. | Flexor accessorius |
| D. | The lumbrical muscles |
| E. | Tendon of flexor digitorum longus |
| Answer» C. Flexor accessorius | |
| 561. |
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» F. | |
| 562. |
Which of the following is NOT a branch of the profunda femoris artery? |
| A. | medial femoral circumflex |
| B. | lateral femoral circumflex |
| C. | popliteal |
| D. | perforating |
| E. | all are branches of the profunda |
| Answer» D. perforating | |
| 563. |
Regarding the femoral artery: |
| A. | it enters the thigh directly beneath the deep inguinal ring |
| B. | it lies lateral to the femoral nerve in the femoral sheath |
| C. | it gives rise to the profunda femoris artery which pierces the femoral sheath |
| D. | does not contribute to the trochanteric anastomosis |
| E. | its branches include the superficial epigastric artery and the deep external pudendal artery |
| Answer» F. | |
| 564. |
the femoral artery |
| A. | Is separated from the hip joint capsule by fat only |
| B. | Is crossed by the femoral vein from medial to lateral as it descends |
| C. | Is found at the mid-inguinal point |
| D. | Gives off the medial circumflex femoral artery as its major branch |
| E. | The femoral sheath contains only the femoral nerve and artery |
| Answer» D. Gives off the medial circumflex femoral artery as its major branch | |
| 565. |
Which is NOT USUALLY supplied by the left coronary artery? |
| A. | conus artery |
| B. | circumflex artery |
| C. | anterior interventricular artery |
| D. | anterior fibres of left bundle |
| E. | posterior fibres of left bundle |
| Answer» F. | |
| 566. |
Referred pain from which organ may be felt in the cutaneous distribution of the obturator nerve? |
| A. | bladder |
| B. | prostate |
| C. | ovary |
| D. | uterus |
| E. | sigmoid colon |
| Answer» D. uterus | |
| 567. |
At the upper end of the femur: |
| A. | gluteus maximus is attached to a ridge on the posterior surface |
| B. | gluteus medius is attached to the anterior surface of the greater trochanter |
| C. | the three secondary centres of ossification fuse together before joining the shaft |
| D. | the posterior part of the capsular ligament is attached to the intertrochanteric crest |
| E. | main nutrient artery enters the bone |
| Answer» B. gluteus medius is attached to the anterior surface of the greater trochanter | |
| 568. |
What lies posterior to the right root of lung |
| A. | Aorta |
| B. | Right phrenic nerve |
| C. | Right vagus nerve |
| D. | 12th |
| Answer» D. 12th | |
| 569. |
Which of the following lies immediately medial to the tubercle of the radius (Lister s tubercle)? |
| A. | extensor carpi ulnaris |
| B. | extensor carpi radialis |
| C. | extensor pollicis longus |
| D. | extensor pollicis brevis |
| E. | extensor digitorum |
| Answer» D. extensor pollicis brevis | |
| 570. |
Rotator cuff muscles include: |
| A. | subclavius |
| B. | teres minor |
| C. | pectoralis major |
| D. | teres major |
| E. | deltoid |
| Answer» C. pectoralis major | |
| 571. |
Which is NOT USUALLY supplied by the right coronary artery? |
| A. | sinoatrial nodal artery |
| B. | atrioventricular nodal artery |
| C. | conus artery |
| D. | right bundle of HIS |
| E. | posterior part of the interventricular septum |
| Answer» E. posterior part of the interventricular septum | |
| 572. |
Compression of structures in the carpal tunnel usually results in: |
| A. | weakness of the forearm flexors |
| B. | weakness of flexion of the terminal phalanx of the thumb |
| C. | weakness of the interossei muscles |
| D. | normal sensation on the palmar surface of the little finger |
| E. | weakness of the lumbrical muscles |
| Answer» E. weakness of the lumbrical muscles | |
| 573. |
Interossei muscles in the hand: |
| A. | flex the interphalangeal joints |
| B. | assist in extension of metacarpophalangeal joints |
| C. | cannot laterally deviate the middle finger |
| D. | the palmar interossei have two heads of origin |
| E. | are usually supplied by the ulnar nerve |
| Answer» F. | |
| 574. |
The cutaneous innervation of the ear |
| A. | Is the lesser auricular nerve |
| B. | Involves the dermatome of C3 |
| C. | Includes the zygomaticotemporal branch of the trigeminal nerve |
| D. | Includes the vagus |
| E. | Involves the greater occipital nerve |
| Answer» E. Involves the greater occipital nerve | |
| 575. |
With regard to the thorax: |
| A. | pus behind the prevertebral fascia can gravitate to the posterior mediastinum |
| B. | mediastinal tumours tend to project more into the left hilum than the right |
| C. | pretracheal fascia blends with the pericardium anteriorly |
| D. | pus from the cervical tracheal region may gravitate to the middle mediastinum |
| E. | the arch of the aorta lies in the middle mediastinum |
| Answer» D. pus from the cervical tracheal region may gravitate to the middle mediastinum | |
| 576. |
Which vessel is not an end artery? |
| A. | renal artery |
| B. | retinal artery |
| C. | pulmonary artery |
| D. | intercostal artery |
| E. | splenic artery |
| Answer» E. splenic artery | |
| 577. |
In the lateral compartment of the leg |
| A. | The muscles are supplied by the deep peroneal nerve |
| B. | The peroneus longus muscles arise only from the fibula |
| C. | The peroneal muscle tendons are bound at the lateral malleolus by the inferior peroneal retinaculum |
| D. | The peroneal muscles share a common synovial sheath at the lateral malleolus |
| E. | The blood supply is from the anterior tibial artery |
| Answer» E. The blood supply is from the anterior tibial artery | |
| 578. |
With regard to lymphatic drainage in the thorax, which is NOT true? |
| A. | the anterior intercostal spaces drain into parasternal nodes thence to brachiocephalic veins |
| B. | mid-part of oesophagus drains to the paraaortic nodes beside the descending aorta |
| C. | the lower posterior intercostal groups of nodes drain into cysterna chyli |
| D. | the heart drains into the tracheobronchial nodes thence to mediastinal, lymph trunks |
| E. | the mediastinal lymph trunks lie alongside the trachea |
| Answer» C. the lower posterior intercostal groups of nodes drain into cysterna chyli | |
| 579. |
The posterior interosseous nerve DOES NOT supply: |
| A. | the periosteum of the radius and ulna |
| B. | the skin over the dorsal aspect of the thumb |
| C. | extensor carpi ulnaris |
| D. | extensor pollicis brevis |
| E. | the interosseous membrane |
| Answer» C. extensor carpi ulnaris | |
| 580. |
Which vessel is not an end-artery? |
| A. | renal artery |
| B. | retinal artery |
| C. | pulmonary artery |
| D. | intercostal artery |
| E. | splenic artery |
| Answer» E. splenic artery | |
| 581. |
Regarding the cuneiform bones: |
| A. | the lateral is the smallest |
| B. | tibialis anterior is inserted into a facet on the intermediate cuneiform |
| C. | flexor hallucis brevis has an origin on the medial cuneiform |
| D. | the anterior surface of the medial cuneiform is triangular in shape |
| E. | the second metatarsal bone articulates with all three cuneiforms |
| Answer» F. | |
| 582. |
In the thorax |
| A. | The carina lies at the level of the upper border of the T4 vertebra in the cadaver |
| B. | The thoracic duct drains into the superior vena cava |
| C. | C4 and T3 are adjacent dermatomes |
| D. | The trachea lies in contact with the manubrium |
| E. | The apex of the lung is above the thoracic inlet |
| Answer» E. The apex of the lung is above the thoracic inlet | |
| 583. |
Regarding the extensor compartment of the leg |
| A. | Tibialis anterior arises from the upper two thirds of the tibia and fibula |
| B. | Extensor digitorum longus has a small origin from the lateral condyle of the tibia |
| C. | Extensor hallucis longus is superficial to extensor digitorum longus |
| D. | All muscles are supplied by the common peroneal nerve |
| E. | Peroneus tertius and tibialis anterior both cause eversion of the foot |
| Answer» C. Extensor hallucis longus is superficial to extensor digitorum longus | |
| 584. |
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» D. basilic vein | |
| 585. |
Which nerve supplies serratus anterior? |
| A. | axillary nerve (C5, C6) |
| B. | long thoracic nerve (C5, C6, C7) |
| C. | musculocutaneous nerve (C5, C6) |
| D. | thoracodorsal nerve (C6, C7, C8) |
| E. | suprascapular nerve (C5, C6) |
| Answer» C. musculocutaneous nerve (C5, C6) | |
| 586. |
Accessory muscles of inspiration include all EXCEPT: |
| A. | scalene muscles |
| B. | latissimus dorsi |
| C. | sternocleidomastoid |
| D. | quadratus lumborum |
| E. | erector spinae |
| Answer» C. sternocleidomastoid | |
| 587. |
The upper end of the humerus: |
| A. | has the subscapularis attached to the greater tuberosity |
| B. | has teres major attached to the floor of the bicipital groove |
| C. | has three epiphyses which fuse separately with the shaft |
| D. | has the capsular ligament of the shoulder joint attached to the whole of the anatomical neck |
| E. | is the growing end of the humerus |
| Answer» F. | |
| 588. |
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» F. | |
| 589. |
The dermatome supplying the great toe is usually supplied by |
| A. | L3 |
| B. | L4 |
| C. | L5 |
| D. | S1 |
| E. | S2 |
| Answer» D. S1 | |
| 590. |
During expiration, the right diaphragm rises to: |
| A. | 4th intercostal space |
| B. | 5th intercostal space |
| C. | 6th intercostal space |
| D. | a level slightly lower than the left diaphragm |
| E. | the same height as the central tendon |
| Answer» B. 5th intercostal space | |
| 591. |
The sciatic nerve |
| A. | Arises from L3/4/5/S1/2 |
| B. | Emerges from the lower border of piriformis |
| C. | Most commonly divides onto common peroneal and tibial branches in the middle of the hamstring compartment |
| D. | Can be injured by intramuscular injections in the upper outer quadrant of the buttock |
| E. | Gives no branches in the gluteal compartment |
| Answer» C. Most commonly divides onto common peroneal and tibial branches in the middle of the hamstring compartment | |
| 592. |
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» D. they insert into the extensor expansion, not the proximal phalanges | |
| 593. |
Which is not a tructure of the retroperitoneum? |
| A. | Kidney |
| B. | Adrenal gland |
| C. | Cisterna chili |
| D. | Spleen |
| E. | Pancreas |
| Answer» E. Pancreas | |
| 594. |
All but which are transected / at the level of the transpylonic plane? |
| A. | superior mesenteric artery leaves aorta |
| B. | splenic vein joins superior mesenteric vein to become the portal vein |
| C. | hila of kidneys |
| D. | lower border L1 vertebra |
| E. | gall bladder |
| Answer» D. lower border L1 vertebra | |
| 595. |
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» F. | |
| 596. |
Middle cuneiform: |
| A. | articulates with talus |
| B. | articulates with the third metatarsal |
| C. | receives portion of insertion of tibialis anterior |
| D. | gives attachment to short plantar ligament |
| E. | none of the above |
| Answer» F. | |
| 597. |
Which vessel passes directly behind the right hilum? |
| A. | Right phrenic nerve |
| B. | Right vagus nerve |
| C. | Azygos vein |
| D. | Internal mammary artery |
| E. | Hemi-azygos vein |
| Answer» D. Internal mammary artery | |
| 598. |
The nerve supply of serratus anterior is: |
| A. | axillary nerve |
| B. | C4 |
| C. | dorsal scapular nerve |
| D. | thoracodorsal nerve |
| E. | long thoracic nerve |
| Answer» F. | |
| 599. |
The right phrenic nerve |
| A. | Passes down through the mediastinum posterior to the lung root |
| B. | Is the sole motor supply to the right dome of diaphragm and crus |
| C. | Gives off the right recurrent laryngeal nerve in the neck |
| D. | Contains 50% motor and 50% sensory fibres |
| E. | Divides into two main branches on the under surface of diaphragm |
| Answer» C. Gives off the right recurrent laryngeal nerve in the neck | |
| 600. |
The phrenic nerve |
| A. | Attempts to reach the midline at all levels |
| B. | Is solely motor |
| C. | Lies in front of the lung root |
| D. | Passes through the diaphragm at T12 |
| E. | Splits into two main branches on the undersurface of the diaphragm |
| Answer» D. Passes through the diaphragm at T12 | |