Integumentary System

A hematoma in the skin appears as

• a. black and blue marks

• b. overall blue discoloration of the skin

• c. brown pigmentation

• d. overall reddish discoloration of the skin

Keratinocytes in the stratum spinosum are known as

• a. prickle cells

• b. merkel cells

• c. Langerhans cells

• d. melanocytes

An injection is administered through the skin using a hypodermic needle. Identify the first integumentary structure through which the needle will pass.

• a. epidermis

• b. hypodermis

• c.recticular layer

• d. papillary layer

Which of the following do not derive from epidermal tissue?

• a. dermal papillae

• b. nails

• c. sweat glands

• d. hair and hair follicles

• e. sebageus glands

Which of the following human integumentary system glands is believed to be analogous to the sexual scent glands of an animal?

• a. apocrine sudoriferous gland

• b. mammary gland

• c. ceruminous gland

• d. sebaceous gland

The deepest layer of cells in the epidermis is the cells of the stratum

(a)  

The substance that gives the skin its waterproofing ability is

(a)  

(a)   is a pigment found in vegetables that can make skin appear orange or yellow.

Melanin serves to protect cells under the epidermis from (a)  

The (a)   layer of the skin contains bundles of collagen fibers and elastin and is responsible for the strength of the skin.