All Subjects Medicine Surgery Pathology Anatomy Pharmacology Social & Preventive Medicine Microbiology Gynaecology & Obstetrics Dental Physiology Biochemistry Pediatrics
Showing 188245 questions
Sort:
147468 ENT

A 60-year-old man presents to his primary care physician complaining that he often feels as if the room is spinning when he gets up from a recumbent position or turns his head. He has not lost consciousness and has had no chest pain. He has no cardiac history, and a recent treadmill test showed no abnormalities. On examination, the sensation can be produced by rapidly turning the head. It can be reproduced many times, but it eventually ceases. Nystagmus is elicited. Hearing is normal. Which of the following is the MOST likely mechanism for this patient’s symptoms?

AAberrant stimulation of hair cells
BHair cell death in the semicircular canals
CInsufficient cardiac output
DInsufficient cerebral perfusion
ENT
View Explanation →
147474 Surgery

A 20 year old male presented with painless mass in the neck for 3 years, which has been progressively increasing in size. O/E the mass is seen just anterior and medial to the right sternocleidomastoid. The mass becomes larger and tender during upper respiratory infections. USG shows a single round cystic mass with uniform low echogenicity and lack of internal septations. CECT scan shows a homogenous mass with low accentuation centrally and smooth rim enhancement. Most probable diagnosis

AEctopic thyroid
B2nd branchial cleft cyst
CSternomastoid tumor
DCervical lymphadenopathy
Surgery
View Explanation →