HSC 215 MIDTERM UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

HSC 215 MIDTERM UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. Dermatology
Answer:
study of the skin and its diseases

Question:
2. Layers of epidermis from deep to superficial
Answer:
stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum

Question:
3. layers of skin from superficial to deep
Answer:
epidermis, dermis, hypodermis

Question:
4. what are keratinocytes and where can you find them?
Answer:
In all layers and they produce keratin, form in the stratum basale and move up, most abundant in stratum
spinosum

Question:
5. what are melanocytes and where can you find them
Answer:
found only in stratum basale and they produce melanin, protect bottom layers of skin from UV radiation

Question:
6. Thick skin
Answer:
palms and feet, all 5 layers of epidermis, no hair follicles or sebaceous glands, lots of sweat glands

Question:
7. thin skin
Answer:
Covers most of the body, all layers EXCEPT lucidum, has hair and sebaceous glands, less sweat glands
than thick skin

Question:
8. Friction ridges
Answer:
in fingertips, creates fingerprint

, Question:
9. Nevus (mole)
Answer:
localized overgrowth of melanocytes

Question:
10. freckles
Answer:
Localized areas of increased melanocyte activity

Question:
11. hemangioma
Answer:
a benign tumor made up of newly formed blood vessels

Question:
12. parts of the integumentary system
Answer:
skin, hair, nails, glands

Question:
13. Hair follicle parts
Answer:
Hair follicle, hair shaft, epidermis, arrector pilli muscle, hair bulb, dermis, blood vessels




Question:
14. appocrine glands
Answer:
a sweat gland that secretes a viscous fluid into a hair follicle (as in the armpit or groin), typically does not
become active until puberty