integumentary system

8) The outermost layer of the epidermis is keratinized and known as stratum ________.

corneum

26) Nutrients reach the surface of the skin (epidermis) through the process of ________.

diffusion

12) The type of gland responsible for body temperature regulation is the ________ gland.

eccrine (sweat or sudoriferous)

25) Which of the following kills bacteria and prevents bacterial invasions of the skin?

A) sebum

19) A needle pierces through the epidermal layers of the forearm in the following order: 1. stratum basale 2. stratum corneum 3. stratum granulosum 4. stratum lucidum 5. stratum spinosum

D) 2, 3, 5, 1, 4

14) Which of the following is a vital function of the skin?

It converts modified epidermal cholesterol to vitamin D.

29) Which of the following is an indication of melanoma?

a pigmented spot that contains areas of different colors

9) "Goosebumps" are caused by contractions of the ________.

arrector pili muscles

23) People who produce a lot of melanin have a skin tone that is ________.

brown

20) Which of the following homeostatic imbalances is caused by a herpes simplex infection?

cold sores

18) The two main layers of skin are ________.

epidermis and dermis

13) The skin and its derivatives (nails, glands, and hairs) form the ________.

integumentary system

15) Although you get wet while swimming, a tough protein within the skin prevents it from soaking up moisture like a sponge. This substance is ________.

keratin

11) Hair color is due to a pigment known as ________.

melanin

21) The "tanning" effect (darkening of the skin) that occurs when a person is exposed to the sun is due to

melanin

27) Fingerprints and footprints in the epidermis are created by dermal papillae present in the

papillary layer of the dermis

10) The type of burn that involves injury to the epidermis and the upper region of the dermis and is red, blistered, and painful is termed as a ________-degree burn.

second

7) The part of a hair that projects from the surface of the scalp or skin is called the ________.

shaft

The epidermis is composed of ________.

stratified squamous epithelium

24) A splinter penetrates to the deepest layer of the epidermis on your foot. This layer is the

stratum basale

22) The layer of the epidermis in which cells die because of their inability to get nutrients and oxygen is the clear layer called ________.

stratum lucidum

17) Jan got her microscope slides mixed up in lab as they were unlabeled. The slide with abundant adipose tissue should be labeled as the ________.

subcutaneous tissue

Which vitamin is synthesized by the skin?

vitamin D