A 34 year old woman presents with flank pain She has recently been diagnosed with glomerulosclerosis.
Which part of the kidney is most likely to be affected in this condition?

A 24 year old man sustains an injury to his right eye The x-rays confirm an orbital floor fracture He complains of double vision on upward gaze Entrapment of which muscle is most likely responsible for his symptom?

A 60 year old woman presents with shortness of breath and signs of pulmonary oedema. An echocardiogram demonstrates reduced left ventricular systolic function.
Which measurement on echocardiogram best demonstrates this?

A therapeutic trial demonstrates that everyone who received the drug has improved while no one improved with placebo What best describes the expected number needed to treat?