Your 70-Year-Old Grandfather Shows Signs of Loss of Hair and Some

question 94

Multiple Choice

Your 70-year-old grandfather shows signs of loss of hair and some baldness. What age-related disorder do you suspect is the cause?

• A) psoriasis
• B) lanugo
• C) male pattern baldness
• D) dermatitis
• E) milia

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Definitions:

Wet Mount

A technique for preparing specimens on a microscope slide using a drop of liquid to keep the sample alive or to enhance optical properties.

Iris Diaphragm

A component of optical devices, such as microscopes and cameras, that can adjust the size of the aperture to control the amount of light that passes through the lens.

Oil Immersion

A technique used in microscopy where an oil with a refractive index close to that of glass is placed between the specimen and the objective lens to increase resolution.

Coverslip

A very thin piece of glass or plastic used to cover specimens on a microscope slide for examination.