MCQ ANATOMY OF HEAD &NECK منشنوا لزمايلكم شير×الخير #M_EZZAT Test 1 1. The internal carotid artery: a. lies in the floor of the middle ear b. lies medial to the abducent nerve c. enters the skull and divides into the anterior and middle cerebral arteries d. is separated from the external carotid artery by the styloglossus e. grooves the greater wing of the sphenoid bone 2. The internal jugular vein: a. is separated from the sympathetic chain by the prevertebral fascia b. lies anteromedial to the sympathetic chain. c. is a continuation of the sigmoid sinus d. receives the anterior jugular vein e. is separated from the inferior petrosal sinus by the 9th, 10th and 11th cranial nerves 3. The following are true about the trigeminal nerve: a. it supplies the muscle of mastication b. its ganglion lies on the apex of the petrous bone c. emerges from the brain stem between the pons and the medulla d. emerges from the brain stem as separate sensory and motor roots e. innervates all the teeth of the upper jaw 4. The following nerves are transmitted through the temporal bone: a. vagus nerve b. facial nerve c. vestibulocohclear nerve d. mandibular branch of the trigeminal nerve e. olfactory nerve 5. The following are true about the circulation of the cerebrospinal fluid (CSF): a. is produced by the modified ependymal cells of the choroid plexus b. is absorbed mainly through the arachnoid granulations in the superior sagittal sinus c. the ventricular system communicates with the subarachnoid space through the roof of the third ventricle d. the arachnoid granulation is in contact with the endothelium of the venous sinuses e. blockage of the arachnoid granulation causes communicating hydrocephalus 6. True statements about the medulla include: a. contains the spinal nucleus of the trigeminal nerve which extends throughout the length of the medulla b. the vagus nerve emerge between the medulla and the inferior cerebellar peduncle c. contains gracile nucleus which lies medial to the cuneate nucleus d. the vagal nucleus lies medial to the hypoglossal nucleus e. the pyramids decussate in the lower part of the medulla The pterygopalatine ganglion:7 a. supplies parasympathetic fibres to the lacrimal gland b. sympathetic nerves from the superior cervical ganglion passes through it c. is suspended from the maxillary nerve d. supplies the iris e. supplies secretomotor fibres to the glands of the nose 8. The parathyroid glands: a. are found on the anterior surface of the thyroid glands b. develops from the 3rd and 4th pharyngeal pouch endoderm c. may be confused with fat globules d. receives blood supply from the middle thyroid arteries e. contain chief cells which have dark staining nuclei 9. True statements about the boundary of the nasal cavity include: a. cribriform plate forms part of the roof b. maxilla forms the floor of the cavity c. vomer forms the lateral wall of the cavity d. palatine forms part of the roof e. the vertical plate of the ethmoid bone forms the medial wall 10. The following are true about the relations of the cavernous sinus: a. it lies on the body of the sphenoid bone b. it is situated above the pituitary gland c. it is posterior to the superior orbital fissure d. the maxillary branch of the trigeminal nerve passes through it e. the trochlear nerve passes through it Test 2 1. The following are true about the parasympathetic fibres: a. they originate from Edinger-Westphal nuclei in the midbrain b. follow the inferior division of oculomotor after the later bifurcate in the cavernous sinus c. in the orbit, are found in the branch that supply the inferior oblique muscle d. they synapse in the ciliary ganglion e. they are transmitted via the short ciliary nerve to the iris sphincter 2. Structures derived from the second pharyngeal arch include: a. the incus b. maxillary artery c. stylohyoid ligament d. stylohyoid muscle e. posterior third of the tongue 3. The sphenoid bone transmits the following structures: a. middle meningeal artery b.mandibular branch of the trigeminal nerve c. optic nerve d. internal carotid artery e. nasociliary artery 4. The embryonic origin of the following are true: a. lacrimal gland from the surface ectoderm b. lens from the mesoderm c. nonpigmented ciliary epithelium from neuroectoderm d. the anterior pituitary gland from the ectoderm e. the posterior pituitary gland from the mesoderm 5. The following are true: a. foramen ovale transmits the mandibular nerve b. pterygotympanic fissure transmits the chorda tympani c. foramen spinosum transmits the middle meningeal artery. d. jugular foramen transmit the vagus nerve e. stylomastoid foramen transmit the facial nerve 6. The basilar artery: a. enters the cranium through the foramen magnum b. is formed by the union of two vertebral artery c. supplies the lateral and third ventricles d. supplies the vermis through its superior cerebellar branch e. supplies the motor cortex 7 The following are true about the pituitary gland: a. the posterior lobe receives efferent fibres from the supra-opticohypophyseal tract. b. it is situated below the optic chiasma c. a portal system exists between the posterior pituitary gland and the hypothalamus d. the posterior lobe secretion affects thyroid hormone secretion e. it is drained by the cavernous sinus 8. The oculomotor nerve: a. divides into the superior and inferior division near the superior orbital fissure b. before entering the orbit, lies above and then medial to the trochlear nerve within the cavernous sinus c. lies between the posterior cerebral artery and the superior cerebellar artery in the the posterior fossa d. has its nucleus in the pons e. causes Adies pupil if the parasympathetic pathway is damage 9. The maxillary artery: a. terminates in the pterygopalatine fossa b. supplies the lateral wall of the nose c. gives off meningeal arteries d. supplies the muscle of mastication e. lies between the sphenomandibular ligament and the mandible 10. The thyroid gland: a. develops from the second and third pharyngeal arches b. contains cells derived from the fourth pharyngeal pouches c. is supplied mainly by the middle thyroid artery d. is covered by the pretracheal fascia e. has the recurrent laryngeal nerve ascending anteriorly Test 3 1. The parotid gland: a. is covered by a true capsule b. contains the final bifurcation of the external carotid artery within its glandular tissue c. open into the oral cavity via a duct at the level of the first upper molar tooth d. contains the facial nerve which divides into five branches within its glandular tissue e. is a mainly serous salivary gland 2. The submandibular gland: a. contains parasympathetic supply from the facial nerve b. overlies the hyoglossal nerve c. is a mainly serous salivary gland d. develops as a tubular endodermal outgrowth from the floor of the mouth e. has the facial artery passes over its superior surface. 3. The thyroid gland: a. overlies the 5th to 7th tracheal rings b. has the recurrent laryngeal nerves running in close proximity to the inferior thyroid arteries c. is supplied by branches of the internal carotid artery d. develops from the junction between the anterior two-thirds and posterior one-third of the tongue e. moves upwards along with the larynx during swallowing. 4. Regarding the autonomic ganglia in the head and neck: a. the nervus intermedius provides parasympathetic component for both the pterygopalatine and submandibular ganglia b. the sympathetic fibres to the dilator pupillae muscle arise from the upper thoracic segments of the spinal cord c. the lacrimal gland receives its parasympathetic fibres via the pterygopalatine ganglion. d. there are five parasympathetic ganglia in the head and neck e. all the parasympathetic ganglia receive a sensory root from one one of the branches of the trigeminal nerve. 5. The temperomandibular joint: a. is a ball and socket joint b. has the chorda tympani as the posterior relationship c. has the tendon of the lateral pterygoid muscle attached to the joint capsule and the neck of the mandible d. is supplied by the auriculotemporal nerve e. is most stable with the teeth occluded
Posted on: Thu, 25 Dec 2014 09:23:08 +0000
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