INTEGUMENTARY SYSTEM 2025/2026
ANSWER KEY || VERIFIED PORTAGE
LEARNING QUESTIONS AND SOLUTIONS
<RECENT VERSION>
Anatomy of the Skin
1. What are the two primary layers of the skin?
A. Dermis and Hypodermis
B. Epidermis and Subcutaneous Layer
C. Epidermis and Dermis
D. Dermis and Stratum Corneum
2. Which layer of the skin is avascular?
A. Dermis
B. Hypodermis
C. Epidermis
D. Stratum Basale
3. The papillary layer of the dermis is composed primarily of
what type of tissue?
A. Dense Irregular Connective Tissue
B. Adipose Tissue
C. Areolar Connective Tissue
D. Reticular Tissue
4. Fingerprints are caused by:
A. Friction Ridges
B. Dermal Papillae
, C. Both A and B
D. Sebaceous Glands
5. The hypodermis is primarily composed of:
A. Adipose Tissue
B. Dense Connective Tissue
C. Stratified Squamous Epithelium
D. Smooth Muscle
Layers of the Epidermis
6. Which is the deepest layer of the epidermis where cell division
occurs?
A. Stratum Corneum
B. Stratum Spinosum
C. Stratum Basale
D. Stratum Granulosum
7. The layer of the epidermis that is only present in thick skin
(e.g., palms, soles) is the:
A. Stratum Lucidum
B. Stratum Granulosum
C. Stratum Spinosum
D. Stratum Corneum
8. Keratinization occurs as cells move from the stratum basale to
the:
A. Stratum Spinosum
B. Stratum Corneum
C. Stratum Basale
D. Dermis
, 9. Cells in the stratum granulosum contain granules of:
A. Melanin
B. Keratohyalin
C. Carotene
D. Hemoglobin
10. The water-resistant nature of the skin is due to:
A. Keratin
B. Glycolipids
C. Both A and B
D. Collagen
Skin Color
11. The pigment melanin is produced by cells called:
A. Keratinocytes
B. Melanocytes
C. Langerhans Cells
D. Merkel Cells
12. A person's unique skin color is determined by the:
A. Number of melanocytes
B. Type and amount of melanin produced
C. Thickness of the stratum corneum
D. Vascularity of the hypodermis
13. The pinkish hue of fair skin is primarily due to:
A. Melanin
B. Carotene
C. Oxygenated hemoglobin in capillaries
D. Jaundice