Skin Quiz

The outermost portion of the skin is the

• hypodermis

• subcutaneous layer

• dermis

• epidermis

All of the following are functions of the skin EXCEPT

• protection

• vitamin B synthesis

• excretion

• temperature regulation

The protein that helps protect and water proof the skin and underlying cells is

• melanin

• melatonin

• keratin

• actin

Cells of the skin that are active in the immune process are

• keratinocytes

• melanocytes

• Merkel cells

• Langerhans cells

The glands usually associated with hair follicles are

• sudoriferous glands

• sweat glands

• ceruminous glands

• sebaceous glands

In response to high environmental temperatures or increased heat production during exercise, all of the following responses would occur in skin EXCEPT:

• Vasodilation of blood vessels in the dermis of the skin

• Increased secretion from sudoriferous glands

• Increased evaporation of sweat from the skin

• Increased secretion from sebaceous glands

The stratum spinosum of the skin has a high mitotic activity.

• TRUE

• FALSE

The skin produces vitamin D after exposure to UV light.

• TRUE

• FALSE

Which of the following is not correct concerning the skin?

• The dermis is usually thicker than the epidermis.

• The stratum basale forms the deepest layer of the epidermis.

• The subcutaneous layer is between the dermis and epidermis.

• The dermis contains smooth muscle and nerve tissue.

The layer of the epidermis which contains cells capable of continued cell division is the

• stratum spinosum

• stratum basale

• stratum corneum

• stratum granulosum