Dermatological Examination — MCQs

Identify the skin lesion shown in the image.

Diascopy is very helpful in the diagnosis of:

A child has a rash. His family history is positive for asthma. What could be the most probable diagnosis?

A 30-year-old male presented with silvery scales on elbow and knee, that bleed on removal. The probable diagnosis is:

Koebner's phenomenon seen in ?

Which of the following methods is used for demonstrating old washed bloodstains?

A farmer presented with a black mole on the cheek. It increased in size, more than 6mm with irregular borders and a central black lesion, what could be the diagnosis?

Dyskeratosis refers to which of the following?

What is the optimal wavelength of light emitted by a Wood's lamp for dermatological examinations?

In a patient with the following lesion on scalp, what changes are seen in the nails?