Integumentary Quiz

Which of the following is not a function of the integumentary system?

• Thermoregulation

• Physical barrier against chemical and biological threats

• Sythesis of vitamin D

• Providing oxygen and nutrients from epidermal blood vessels to the subcutaneous tissue below

The _____________________, or the subcutaneous layer, is deep to the integument and is composed primarily of adipose tissue.

• hypodermis

• spinosum

• stratum corneum

• stratum basale

Which two layers of the epidermis together make up the "stratum germinativum" which has the only actively dividing cells in the epidermis.

• stratum basale and spinosum

• hypodermis and stratum corneum

• melanin

• none of the above

which of the following cells functions as a fine touch receptor?

• keratinocyte

• langerhan cell

• merkel cell

• none of the above

Tags

NGSS.MS-LS1-8

This cell makes up about 90% of the epidermal cells and produces the hard protein keratin to resist abrasive stress.

• fibroblast

• merkel cell

• melanocyte

• keratinocyte

Tags

NGSS.MS-LS1-2

This cell functions in activating the immune system within the epidermis.

• fibroblast

• keratinocyte

• merkel cell

• langerhan's cell

The skin pigment of the epidermis that protects against UV light and overproduction of vitamin D is called _________.

• melanin

• nail matrix

• merkal cell

The nail plate, or body, is formed by a group of dividing cells proximal to the nail fold called the ______.

• hair matrix

• matrix

• nail matirx

• none of the above

"Fingerprints" come from....

• sebaceous glands in the dermis

• projections from the hypodermis

• epidermal ridges from the dermal papillae

• squamous cells of the stratum corneum

which of the following is the most dangerous form of skin cancer?

• basal cell carcinoma

• squamous cell carcinoma

• malignant melanoma