CPCA Dermatology Anatomy and Terminology 3

Question 1

What does the prefix 'erythro-' mean in dermatological terminology?

Accepted Answer

Red

Answer

Erythro- is a Greek prefix meaning red, used in terms like erythroderma (redness of the skin).

Question 2

A comedo is a hallmark lesion of acne vulgaris. What is a comedo?

Accepted Answer

A plugged hair follicle filled with sebum and dead cells

Answer

A comedo is a clogged hair follicle (pore) filled with oxidized sebum and dead skin cells, appearing as blackheads or whiteheads.

Question 3

The term 'telangiectasia' describes which vascular skin finding?

Accepted Answer

Dilated small superficial blood vessels

Answer

Telangiectasias are permanently dilated small blood vessels (capillaries, arterioles, venules) visible near the skin surface.

Question 4

Which skin appendage is responsible for producing the oily substance that lubricates skin and hair?

Accepted Answer

Sebaceous gland

Answer

Sebaceous glands produce sebum, an oily substance that lubricates the skin and hair and is secreted into the hair follicle.

Question 5

What is the correct term for a linear crack or groove in the skin that extends into the dermis?

Accepted Answer

Fissure

Answer

A fissure is a linear crack in the skin that extends through the epidermis into the dermis, often seen on the heels or lips.

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