Quiz Archive
Every past challenge — answer any of them and see the explanation and community stats.
5 archived quizzes
An elderly man presents with sudden-onset hemiparesis for 90 minutes. Non-contrast CT (NCCT) of the brain shows a hyperdense MCA sign. What is the most likely diagnosis?
A patient develops right-sided paralysis and loss of proprioception, along with loss of pain and temperature sensation on the left side below the level of the lesion. Where is the most likely spinal cord lesion?
A patient who underwent bariatric surgery develops shortness of breath, pedal edema and elevated JVP. Examination also reveals sensorimotor peripheral neuropathy. Which investigation is most useful for confirming thiamine deficiency?
A 55-year-old man with chronic bronchitis has a persistent productive cough with thick, tenacious sputum that is difficult to expectorate. He is prescribed N-acetylcysteine (NAC) as a mucolytic agent. What is the primary mechanism responsible for its mucolytic action?
A 60-year-old woman has urinary urgency, increased frequency, and urge urinary incontinence. She was initially treated with an antimuscarinic drug but developed troublesome dry mouth. The treatment is switched to mirabegron. What is the mechanism of action of mirabegron?