Student:______________________________________
Class:________________________________________
Date:_______________________________________
Form 1
I.
Multiple Choice . Choose the answer that best completes the sentence or answers the question (2pts each)
_______1. The nerve fibers scattered throughout the dermis are associated with a.
muscles. b.
Glands. c.
Sensory receptors. d.
All of the above
_______2. The subcutaneous layer is located a.
above the dermis b.
between the epidermis and dermis c.
within the dermis d.
beneath the dermis
_______3. The dermis is composed largely of a.
dense connective tissue b.
loose connective tissue c.
epithelial tissue d.
adipose tissue
______4. The cells that produce the shaft of a hair are a.
epithelial cells b.
fibrous connective tissue cells c.
loose connective tissue cells d.
adipose tissue cells
______5. When the smooth muscles in the walls of dermal blood vessels contract a.
the vessels dilate b.
body heat is conserved c.
more blood enters the dermis d.
body temp tends to drop
______6. Which of the following is NOT correct concerning the skin? a.
The dermis is usually thicker than the epidermis. b.
The epidermis is composed of stratified squamous epithelium. c.
The subcutaneous layer is between the dermis and the epidermis. d.
The dermis contains smooth muscle and nerve tissue.

_______7. As cells are pushed from the deeper portion of the epidermis toward the surface a.
they divide continually. b.
their supply of nutrients improves. c.
they tend to die. d.
they become dermal cells.
_______8. The regulation of body temperature is of vital importance because a.
it remains close to 37* C b.
slight shifts in temperature can disrupt the rates of metabolic reactions c.
it is the product of chemical reactions d.
the skin plays an important role in homeostasis
_______9. The skin functions to a .retard water loss from deeper tissues b. excrete waste substances c. regulate body temperature d. all of the above
_______10. Fingerprints arise from the ______ of the dermis. a. reticular b. papillary c. stratum corneum d. basallary
_______11.Which of the following is a normal response to excessive loss of body heat in a cold environment? a. dermal blood vessels become constricted b. sweat glands become inactive c. skeletal muscles contract involuntarily d. all of the above
_______12. Skin cancer cells are most likely to develop from a. pigmented epithelial cells b. pigmented melanocytes c. nonpigmented epithelial cells d. nonpigmented melanocytes
_______13. The main function of meloncytes is to a. remove dead cells by phagocytosis b. help control body temperature c. protect deeper cells from sunlight d. produce vitamin D
_______14. Epidermal cells are supplied with nutrients from blood vessels located in the a. epidermis b. dermis c. subcutaneous layer d. all of these

______15. Acne is a disorder involving the a. sweat glands b. hair follicles c. sebaceous glands d. apocrine glands
______16. Which of the following is not a method for helping prevent pressure ulcer formation? a.
massaging the skin b.
eating foods rich in proteins c.
providing adequate fluid intake d.
maintaining one body position
_______17. The main function of a melanocyte is to a.
remove dead cells by phagocytosis b.
help control body temperature c.
protect deeper cells from sunlight d.
produce vitamin K
______18. Pressure ulcers are usually associated with skin overlying a.
bony projections b.
skeletal muscles c.
a thick layer of fat d.
nerve fibers
______19. Which of the following characteristic would make a person more likely to develop a cutaneous carcinoma? a.
over 40 years of age b.
often works/plays outdoors c.
light-complexioned skin d.
all of these
_______20. Cutaneous melanomas seem most commonly caused by a.
relatively short exposure to high intensity sunlight b.
prolonged exposure to low intensity sunlight c.
occasional exposure to X rays d.
exposure to background radiation
II.
True/False . Read the statement. If the statement is correct then write “TRUE” in the appropriate place. If the statement is incorrect, then write the word
“FALSE” in the appropriate space.
______21. The skin is the largest single organ in the body.
______22. In healthy skin, the production of epidermal cells is closely balanced with the loss of skin cells.

_______23. The outermost layer of the epidermis is the stratum spinosum.
_______24. The dermis is very flat compared to the epidermis, which has ridges projecting inward and elevations called papillae.
_______25. Carcinomas appear most often in the skin of the neck, face, and scalp.
III.
Fill in the blank with the word(s) that best complete the sentence.(3 pts.
Each)
26. The deepest cells of the epidermis make up the stratum
________________________.
27. As epidermal cells are pushed toward the surface, strands of protein called
______________________ develop in their cytoplasm.
28. The physiological function of fingerprints is to improve ___________.
29. Three classes of fingerprints are ____, ________, ______.
30. _______________________ is the pigment produced by melanocytes.
31. The arrector pili muscle is composed of __________________ muscle tissue.
32. The _______________________________ of the subcutaneous layer acts as a heat insulator.
33. _____________________________ is the oily secretion of the sebaceous glands.
34. A burn that involves only the epidermis is called a ___________ ___________ burn.
35. A ______ degree burn affects both layers of skin, the subcutaneous fatty and connective tissue layers, and the underlying muscle.
IV.
Matching. Match the structure in Column B with its description/function in
Column A (2 pts).
A B
_____36. innermost layer of the epidermis; reproductive a. Stratum corneum
_____37. layer containing melanocytes b. Stratum germinativum
_____38. outermost layer of dead keratinized cell fragments c. stratum granulosum
_____39. waterproofing layer
_____40. layer that is not always present
d. stratum lucidum
e. stratum spinosum

V.
Short answer . Choose one of the following and answer in paragraph form.
(15pts)
1.
Describe three factors that affect skin color. Be specific.
2.
A man gets lost while hiking in the mountains. The temperature is 30*F at night.
Describe the physiological steps the body takes to maintain the body’s normal core body temperature.
3.
Distinguish between partial thickness, deep partial thickness, full thickness, and fourth degree burns.