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MRCS: Head and Neck/ENT/Endocrine + CNS physiology Study Exam Questions and Answers (New 2025)
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MRCS: Head and Neck/ENT/Endocrine + CNS physiology Study Exam Questions and Answers (New 2025)
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MRCS: Head and Neck/ENT/Endocrine + CNSphysiology Study Exam Questions and
Answers (New 2025)
What is Cushing's triad? - Correct Answer ✅Hypertension +
bradycardia + respiratory depression
What are the branches of the ECA? - Correct Answer
✅Some Attendings Like Freaking Out Potential Medical
Students
Superior Thyroid
Ascending pharyngeal
Lingual
Facial
Occipital
Post auricular
Maxillary
Superior temporal
What is Trotter's triad for nasopharyngeal cancer? - Correct
Answer ✅Unilateral conductive hearing loss
,MRCS: Head and Neck/ENT/Endocrine + CNS
physiology Study Exam Questions and
Answers (New 2025)
Ipsilateral facial & ear pain
Ipsilateral paralysis of soft palate
Assoc. with EBV
What is a branchial arch? - Correct Answer ✅Support for
the lateral walls of the cranial part of primitive pharynx
What are the contents of the cavernous sinus? - Correct
Answer ✅O TOM CAT
Occulomotor nerve (III)
Trochlear nerve (IV)
Ophthalmic nerve (V1)
Maxillary nerve (V2)
Carotid artery
Abducent nerve (VI)
T
,MRCS: Head and Neck/ENT/Endocrine + CNS
physiology Study Exam Questions and
Answers (New 2025)
OTOM=lateral wall components
CA= components within sinus
What are the parasympathetic functions of CNIII? - Correct
Answer ✅Pupillary constriction/accomodation
What are the parasympathetic functions of the facial nerve? -
Correct Answer ✅Lacrimal gland, submandibular and
sublingual glands
What are the parasympathetic functions of the
glossopharyngeal nerve? - Correct Answer ✅Parotid
What are the parasympathetic functions of the vagus nerve? -
Correct Answer ✅Heart and viscera
Describe the course of the cranial parasympathetic fibres -
Correct Answer ✅Arise from nuclei within the CNS
, MRCS: Head and Neck/ENT/Endocrine + CNS
physiology Study Exam Questions and
Answers (New 2025)
Synapse at the parasympathetic ganglia (otic,
pterygopalatine, ciliary and submandibular)
The journey to target tissues in CNV1, V2, V3
Describe the embryology of the tongue - Correct Answer
✅Tuberculum impar develops in the floor of the pharynx
Two lingual swellings arise from the first branchial arch and
fuse to become the anterior 2/3rds of the tongue (CN V)
Part of the second branchial arch contributes to the anterior
2/3rds of tongue (CN VII - chorda tympani)
The posterior 1/3 of tongue develops from the third branchial
arch (CN IX)
The tongue musculature is derived from migrating occipital
myotomes (CN XII)
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