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.
| 151. |
A 45-year-old man is unable to initiate abduction of the arm following reduction of a dislocated shoulder. Damage to which nerve is most likely to be responsible for this condition: |
| A. | the suprascapular nerve |
| B. | the long thoracic nerve |
| C. | the radial nerve |
| D. | the infrascapular nerve |
| E. | the axillary nerve |
| Answer» B. the long thoracic nerve | |
| 152. |
The myotome for plantar flexion of the great toe is: |
| A. | L3, 4 |
| B. | L4, 5 |
| C. | L5, S1 |
| D. | S1, 2 |
| E. | S2, 3 |
| Answer» E. S2, 3 | |
| 153. |
The trachea |
| A. | Drains to axillary lymph nodes |
| B. | Is supplied by glossopharyngeal nerve |
| C. | Is marked at its lower end by the sternal angle |
| D. | Enters the thoracic inlet slightly to the left |
| E. | Commences below the cricoid at the level of C5 |
| Answer» D. Enters the thoracic inlet slightly to the left | |
| 154. |
A freacture through the roof of the maxillary sinus might result in sensory loss to the |
| A. | Tympanic membrane |
| B. | Lacrimal gland |
| C. | Upper molar teeth |
| D. | Skin overlying the zygomatic bone |
| E. | Upper incisors and canine teeth |
| Answer» F. | |
| 155. |
Myotome of elbow flexion: |
| A. | C5, 6 |
| B. | C6, 7 |
| C. | C7, 8 |
| D. | C5 |
| E. | C6 |
| Answer» B. C6, 7 | |
| 156. |
The trachea: |
| A. | starts at the thyroid cartilage |
| B. | bifurcates into the right and left bronchi behind the manubrium sternal angle |
| C. | passes through the posterior mediastinum |
| D. | is not supplied by the recurrent laryngeal nerve |
| E. | blood supply is from the superior thyroid artery |
| Answer» C. passes through the posterior mediastinum | |
| 157. |
Stabilising factors of the shoulder joint include all but: |
| A. | a tight capsule |
| B. | tendons that fuse with the capsule |
| C. | glenohumeral and coracohumeral ligaments |
| D. | labrum |
| E. | splinting of the humeral head between the tendons of biceps and triceps |
| Answer» B. tendons that fuse with the capsule | |
| 158. |
Which muscle controls vocal cord abduction in the larynx |
| A. | Aryepiglottic |
| B. | Posterior cricoarytenoid |
| C. | Transverse arytenoids |
| D. | Lateral cricoarytenoid |
| E. | Cricothyroid |
| Answer» C. Transverse arytenoids | |
| 159. |
Paralysis of which nerve results in inability to initiate abduction of the arm? |
| A. | the axillary nerve |
| B. | the suprascapular nerve |
| C. | the subscapular nerve |
| D. | the dorsal scapular nerve |
| E. | the thoracodorsal nerve |
| Answer» C. the subscapular nerve | |
| 160. |
Regarding the shoulder joint, which is INCORRECT? |
| A. | full abduction requires medial rotation |
| B. | the long head of biceps is intracapsular |
| C. | the subacromial bursa is attached to the coracoacromial ligaments |
| D. | flexion involves pec major, deltoid, coracobrachialis and biceps |
| E. | supraspinatus initiates abduction |
| Answer» B. the long head of biceps is intracapsular | |
| 161. |
The ophthalmic division of the trigeminal nerve |
| A. | Enters the face via the inferior orbital fissure |
| B. | Supplies sympathetic fibres to constrictor papillae muscles |
| C. | Supplies sensation to the forehead and upper eyelid, excluding the orbit |
| D. | Gives five branches, two of which contain sympathetic as well as sensory fibres |
| E. | Controls abduction of the eye |
| Answer» E. Controls abduction of the eye | |
| 162. |
Regarding the trigeminal nerve: |
| A. | branches emerge from the parotid gland |
| B. | the mandibular nerve has three cutaneous branches |
| C. | the supratrochlear nerve supplies midline forehead and scalp |
| D. | the infratrochlear nerve is a branch of the maxillary nerve |
| E. | the bridge of the nose is supplied by the external nasal nerve |
| Answer» C. the supratrochlear nerve supplies midline forehead and scalp | |
| 163. |
Which of the following combinations is correct regarding the paranasal sinuses and where they drain to? |
| A. | Maxillary sinus; middle meatus |
| B. | Anterior ethmoidal air cells; inferior meatus |
| C. | Posterior ethmoidal air cells; oral cavity |
| D. | Sphenoid sinus; frontonasal recess |
| E. | Frontal sinus; lacrimal duct |
| Answer» B. Anterior ethmoidal air cells; inferior meatus | |
| 164. |
With regards to the retina, which is CORRECT? |
| A. | the retina covers the inner surface of the choroids and is light sensitive everywhere except at the corneal area |
| B. | the optic disc contains retina that is completely free of blood vessels and is yellowish in colour |
| C. | the optic disc and fovea are of similar size |
| D. | the fovea contains no blood vessels or cones, but a high concentration or rods |
| Answer» D. the fovea contains no blood vessels or cones, but a high concentration or rods | |
| 165. |
Regarding bone: |
| A. | cancellous and compact bone show similar microscopic structure |
| 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» C. the bones of the skull and face ossify in cartilage | |
| 166. |
The ophthalmic artery: |
| A. | is a branch of the ECA |
| B. | enters through the superior orbital fissure |
| C. | does not penetrate the meninges of the optic nerve |
| D. | forms an anastomoses between ECA and ICA |
| E. | is an end artery |
| Answer» E. is an end artery | |
| 167. |
All the following are branches of the external carotid artery EXCEPT: |
| A. | Lingual artery |
| B. | Facial artery |
| C. | Ascending pharyngeal artery |
| D. | Hypoglossal artery |
| E. | Superior thyroid artery |
| Answer» E. Superior thyroid artery | |
| 168. |
What is the first bone of the skeleton? |
| A. | tibia |
| B. | humerus |
| C. | scapula |
| D. | femur |
| E. | clavicle |
| Answer» F. | |
| 169. |
Regarding the structures passing beneath the flexor retinaculum of the ankle which is correct? |
| A. | Posterior tibial artery lies anterior to the flexor digitorum longus |
| B. | Flexor hallucis longus lies anterior to posterior tibial artery |
| C. | The posterior tibial artery lies anterior to the tibial nerve |
| D. | Flexor hallucis longus is the most anterior structure |
| E. | Flexor digitorum longus is the most posterior structure |
| Answer» D. Flexor hallucis longus is the most anterior structure | |
| 170. |
Which is the correct portosystemic anastomosis? |
| A. | Portal = tributary of inferior mesenteric vein, systemic = tributary of internal iliac vein |
| B. | Portal = periumbilical vein, systemic = phrenic veins |
| C. | Portal = intrahepatic portal branches, systemic = azygos vein |
| D. | Portal = left gastric vein, systemic = IVC via oesophageal veins |
| E. | Portal = middle rectal vein, systemic = inferior rectal vein |
| Answer» B. Portal = periumbilical vein, systemic = phrenic veins | |
| 171. |
The sensory innervation of the auricle of the ear includes: |
| A. | auricolotermporal nerve (V3) |
| B. | great auricular nerve (C2) |
| C. | facial nerve via tympanic plexus (VII) |
| D. | auricular branch of vagus (X) |
| E. | all of the above |
| Answer» F. | |
| 172. |
Regarding the abducent nerve (CN V1): |
| A. | the nucleus lies in the medulla |
| B. | supplies superior oblique muscle |
| C. | enters the orbit ???? superior orbital fissure |
| D. | has no relation to the cavernous sinus |
| E. | carries autonomic fibres from Edinger-Westphal node |
| Answer» D. has no relation to the cavernous sinus | |
| 173. |
Which structure does NOT pass through the parotid gland? |
| A. | retromandibular vein |
| B. | temporozygomatic branch of facial nerve |
| C. | cervicofacial branch of facial nerve |
| D. | internal jugular vein |
| E. | external carotid artery |
| Answer» E. external carotid artery | |
| 174. |
Regarding the face, which is INCORRECT? |
| A. | there is no deep fascia on the face |
| B. | the bulk of orbicularis oris muscle comes from buccinator |
| C. | the eyelid muscles are completely supplied by CNVII |
| D. | the parotid duct pierces buccinator opposite the third upper molar tooth |
| E. | the facial nerve supplies the occipital belly of occipitofrontalis |
| Answer» D. the parotid duct pierces buccinator opposite the third upper molar tooth | |
| 175. |
Landmarks of the trachea are: |
| A. | thyroid cartilage to sternal notch |
| B. | hyoid bone to sternal angle |
| C. | cricoid cartilage to sternal angle |
| D. | thyroid cartilage to sternal angle |
| E. | cricoid cartilage to sternal notch |
| Answer» D. thyroid cartilage to sternal angle | |
| 176. |
Which laryngeal muscle is NOT supplied by the recurrent laryngeal nerve? |
| A. | thyroarytenoid |
| B. | cricothyroid |
| C. | aryepiglottic |
| D. | oblique arytenoid |
| E. | posterior cricoarytenoid |
| Answer» C. aryepiglottic | |
| 177. |
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» B. the mandible is ossified at birth | |
| 178. |
Which structure is NOT in the carotid sheath? |
| A. | internal jugular vein |
| B. | hypoglossal nerve |
| C. | glossopharyngeal nerve |
| D. | external jugular vein |
| E. | internal carotid artery |
| Answer» E. internal carotid artery | |
| 179. |
Which is an intrinsic muscle of the tongue? |
| A. | superior longitudinal muscle |
| B. | genioglossus muscle |
| C. | hyoglossus muscle |
| D. | styloglossus muscle |
| E. | palatoglossus muscle |
| Answer» B. genioglossus muscle | |
| 180. |
The internal laryngeal nerve supplies: |
| A. | sensation to the vocal folds |
| B. | cricothyroid muscle |
| C. | sensation above the vocal folds |
| D. | transverse arytenoid muscle |
| E. | sensation below the vocal folds |
| Answer» D. transverse arytenoid muscle | |
| 181. |
Which nerve does NOT supply skin to the upper eyelid? |
| A. | lacrimal |
| B. | supraorbital |
| C. | supratrochlear |
| D. | infratrochlear |
| E. | infraorbital |
| Answer» F. | |
| 182. |
Which extraocular muscle does NOT arise from the tendinous ring of the orbit? |
| A. | superior rectus |
| B. | superior oblique |
| C. | inferior rectus |
| D. | medial rectus |
| E. | lateral rectus |
| Answer» C. inferior rectus | |
| 183. |
Which structure passes through the tendinous ring of the orbit? |
| A. | ophthalmic artery |
| B. | inferior rectus muscle |
| C. | lacrimal nerve |
| D. | trochlear nerve |
| E. | superior oblique muscle |
| Answer» B. inferior rectus muscle | |
| 184. |
Regarding the vertebral column: |
| A. | ligamentum flava attach adjacent pedicles |
| B. | lumbar vertebrae have foramen in their transverse process |
| C. | the intervertebral disc is a primary cartilaginous joint |
| D. | rotation is greatest in the thoracic region |
| E. | the cruciform ligament holds the dens in place |
| Answer» F. | |
| 185. |
They hyoid bone is at what level? |
| A. | C2 vertebra |
| B. | C3 vertebra |
| C. | C4 vertebra |
| D. | C5 vertebra |
| E. | C6 vertebra |
| Answer» C. C4 vertebra | |
| 186. |
The middle meningeal artery is a branch of the: |
| A. | internal carotid artery |
| B. | middle cerebral artery |
| C. | maxillary artery |
| D. | deep temporal artery |
| E. | facial artery |
| Answer» D. deep temporal artery | |
| 187. |
Which muscle helps to open the jaw? |
| A. | medial pterygoid |
| B. | lateral pterygoid |
| C. | masseter |
| D. | temporalis |
| E. | buccinator |
| Answer» C. masseter | |
| 188. |
Which bone is not part of the medial wall of the orbit? |
| A. | maxilla |
| B. | lacrimal bone |
| C. | sphenoid |
| D. | palatine bone |
| E. | ethmoid |
| Answer» E. ethmoid | |
| 189. |
Regarding the bones of the skull: |
| A. | the anterior clinoid processes are formed by the lesser wings of the sphenoid |
| B. | the posterior clinoid processes are formed from the occipital bone |
| C. | the dorsum sellae is formed from the anterior part of the occipital bone |
| D. | the petious temporal bone forms the floor of the middle cranial fossa, but not the wall of the posterior cranial fossa |
| E. | the inferior orbital fissure separates the lesser and greater wings of the sphenoid |
| Answer» B. the posterior clinoid processes are formed from the occipital bone | |
| 190. |
Regarding the triangles of the neck: |
| A. | the posterior triangle is bound by trapezius, sternocleidomastoid and the middle quarter of clavicle |
| B. | the anterior triangle is further divided into two smaller triangles, the carotid and submandibular triangles |
| C. | the posterior belly of digastric (and stylohyoid) separates the carotid and submandibular triangles |
| D. | the accessory nerve (CNXI) divides the posterior triangle into approximately two halves, and of these the lower contains little of importance |
| E. | the investing fascia splits to enclose the sternomastoid and trapezius, but the parotia and submandibular glands lie deep to the fascia, in the anterior triangle |
| Answer» D. the accessory nerve (CNXI) divides the posterior triangle into approximately two halves, and of these the lower contains little of importance | |
| 191. |
Regarding the cervical spine: |
| A. | all seven cervical vertebrae have spinous processes |
| B. | rotatory movements of the head occur mostly at the atlanto-occipital joints |
| C. | the odontoid process (peg) is encased by a bony canal in the axis |
| D. | all seven cervical vertebrae have foramina transversaria for the vertebral artery to pass through it |
| E. | spinous processes, where present, are all bifid except for C7 |
| Answer» F. | |
| 192. |
Regarding anatomy of the neck, landmarks: |
| A. | the arch of the cricoid cartilage is palpable as it protrudes forward of the trachea |
| B. | the cricoid cartilage marks the level of C5 |
| C. | the transverse process of the axis is the most prominent of the cervical transverse processes, and is palpable between angle of mandible and mastoid |
| D. | the body of hyoid is not palpable because it is hidden behind the thyroid cartilage |
| E. | the coracoid process of scapula is palpable within the deltopectoral triangle |
| Answer» B. the cricoid cartilage marks the level of C5 | |
| 193. |
Regarding fascia and sheaths in the neck: |
| A. | the pretracheal fascia contains both trachea and oesophagus, and also splits to envelop the lobes of the thyroid gland |
| B. | the prevertebral fascia encloses vertebrae and muscles acting on the vertebrae, but does not contribute to the investment over the brachial plexus as it passes between scalene muscles |
| C. | the investing fascia encloses trapezius sternomastoid and platysma muscles |
| D. | the structures contained within the carotid sheath include carotid artery, sympathetic chain and jugular vein, but not phrenic nerve or vagus |
| E. | infection may track in the pretracheal space to mediastinum |
| Answer» B. the prevertebral fascia encloses vertebrae and muscles acting on the vertebrae, but does not contribute to the investment over the brachial plexus as it passes between scalene muscles | |
| 194. |
For sternocleidomastoid, which is TRUE? |
| A. | contraction of one muscle rotates the head to the ipsilateral shoulder |
| B. | it is crossed superficially by the external jugular vein |
| C. | it is supplied by the transverse cervical nerve |
| D. | its clavicular fibres mainly insert into the superior nucal line |
| E. | it is superficial to the deep cervical fascia |
| Answer» C. it is supplied by the transverse cervical nerve | |
| 195. |
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» E. none of the above | |
| 196. |
Regarding the vertebral column all are correct EXCEPT: |
| A. | The facet joints in the lumbar spine lie in an anteroposterior plane |
| B. | The vertebral arteries ascend through the foramen in the transverse processes of the upper six cervical vertebrae |
| C. | The spinous processes of the cervical vertebrae are usually bifid |
| D. | Thoracic vertebrae I, II and XII have single costal facets on their pedicles |
| E. | The sacrum has 5 sets of anterior and posterior sacral foramina, one corresponding to each of the sacral segments |
| Answer» F. | |
| 197. |
Venous drainage of the face |
| A. | Is both deep and superficial |
| B. | Empties ultimately into the internal jugular vein alone |
| C. | Communicates indirectly with the cavernous sinus via the deep facial vein |
| D. | Communicates directly with the cavernous sinus via the supraorbital veins |
| E. | All of the above |
| Answer» D. Communicates directly with the cavernous sinus via the supraorbital veins | |
| 198. |
The internal jugular vein |
| A. | Is surrounded by the thickest portion of carotid sheath |
| B. | Receives drainage from all the parathyroid glands |
| C. | Is crossed posteriorly by the accessory nerve |
| D. | Is crossed anteriorly by the thoracic duct |
| E. | Contains valves within its lumen |
| Answer» D. Is crossed anteriorly by the thoracic duct | |
| 199. |
The larynx |
| A. | Is a respiratory organ whose essential function is phonation |
| B. | Extends from the anterior upper border of the epiglottis to the level of C6 |
| C. | Consists of two single cartilages, the thyroid and cricoid |
| D. | Is hauled up beneath the tongue with the epiglottis tilted anterior and upwards during swallowing |
| E. | Is supplied by the external laryngeal nerve except for the cricothyroid muscle which is supplied by the |
| Answer» C. Consists of two single cartilages, the thyroid and cricoid | |
| 200. |
Regarding the larynx |
| A. | The external laryngeal nerve supplies the posterior cricoarytenoid muscle |
| B. | The internal laryngeal nerve supplies cricothyroid |
| C. | The blood supply above the vocal cords is by a branch of the internal carotid |
| D. | Normal vocal cords are always covered by stratified squamous epithelium |
| E. | The recurrent laryngeal nerve lies immediately behind the cricoarytenoid joint |
| Answer» E. The recurrent laryngeal nerve lies immediately behind the cricoarytenoid joint | |