tRAT BLOCK 2.6

1. 1. Which of the following factors can delay wound healing?

• A. Good blood circulation

• B. Proper nutrition

• C. Infection

• D. Adequate oxygen supply

• E. Normal inflammatory response

2. 2. Which type of collagen is initially produced during wound healing?

• A. Type I

• B. Type II

• C. Type III

• D. Type IV

• E. Type V

3. 3. Which of the following is the first stage of wound healing?

• A. Proliferation

• B. Inflammation

• C. Remodeling

• D. Scar formation

• E. Re-epithelialization

4. 4. Which of the following is NOT a function of the skin?

• A. Protection against microorganisms

• B. Temperature regulation

• C. Production of vitamin D

• D. Production of digestive enzymes

• E. Sensory perception

5. 5. Which phase of the hair cycle is responsible for active hair growth?

• A. Anagen

• B. Catagen

• C. Telogen

• D. Resting phase

• E. Regression phase

6. 6. Which of the following is NOT an accessory organ of the skin?

• A. Hair

• B. Nails

• C. Sebaceous glands

• D. Sweat glands

• E. Epidermis

7. 7. Which layer of the skin contains connective tissue, blood vessels, and sensory receptors?

• A. Epidermis

• B. Dermis

• C. Hypodermis

• D. Stratum corneum

• E. Stratum granulosum

8. 8. Which of the following is the thickest layer of the epidermis?

• A. Stratum basale

• B. Stratum spinosum

• C. Stratum granulosum

• D. Stratum corneum

• E. Stratum lucidum

9. 9. Which of the following skin structures originates from the mesoderm?

• A. Epidermis

• B. Dermis

• C. Hair follicles

• D. Sebaceous glands

• E. Melanocytes

10. 10. Which germ layer primarily gives rise to the epidermis?

• A. Endoderm

• B. Mesoderm

• C. Ectoderm

• D. Neural crest

• E. Hypoderm