You are prescribing gentamicin for a patienl. Her serum creatinine level is raised Which property of creatinine best explains why it is used as a marker of glomerular filtration rate?

A 56 year old man presenls with a rash in the supraclavicular fossa which is typical of herpes zoster Which dermatomal level best describes the area affected?

A 46 year old woman arrives after being hit by a car She has sustained a head injury You suspect she may have increased intracranial pressure due to a traumatic brain injury.
Which is the earliest clinical finding you are likely to see?

A 35 year old man attends after a motorbike accident. He is complaining of abnormal vision and his right eye is slightly adducted when he looks straight ahead.
Which cranial nerve has suffered the most damage?

A 23 year old man presents to the ED after cutting his wrist with a kitchen knife There is a wound on the flexor aspect of the wrist and you are concerned about median nerve injury.
Which examination of motor function would best test for damage to this nerve?