GA Estheticianination Exam
- Which layer of the skin is known for its blood vessels, nerve endings, and connective tissues?
- Epidermis
- Dermis
- Stratum Corneum
- Subcutaneous Layer
Answer: B. Dermis
Explanation: The dermis is the middle layer of the skin that houses blood vessels, nerves, and connective tissue, providing support and nourishment to the epidermis.
- Which layer of the epidermis is primarily responsible for cell division and growth?
- Stratum Lucidum
- Stratum Corneum
- Stratum Basale
- Stratum Granulosum
Answer: C. Stratum Basale
Explanation: The stratum basale (also called the basal layer) is the deepest layer of the epidermis, where continuous cell division replenishes the upper layers.
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GA Estheticianination Exam
- Which skin function helps maintain the body’s stable internal temperature?
- Protection
- Secretion
- Excretion
- Temperature regulation
Answer: D. Temperature regulation
Explanation: Skin regulates body temperature through blood vessel dilation/constriction and sweat production, helping to keep the body within safe temperature limits.
- Which skin type is characterized by an even balance of oil and moisture, with few breakouts
or sensitivity issues?
- Oily
- Dry
- Sensitive
- Normal
Answer: D. Normal
Explanation: Normal skin maintains a balanced production of sebum and moisture, showing minimal imperfections and generally being neither too oily nor too dry. 2 / 4
GA Estheticianination Exam
- Which skin function involves the absorption of certain topical products through the surface
layers?
- Excretion
- Secretion
- Protection
- Absorption
Answer: D. Absorption
Explanation: Certain substances can penetrate the skin’s outer barrier, allowing small amounts of product ingredients to be absorbed into deeper layers.
- Which gland is responsible for producing sebum?
- Sudoriferous gland
- Sebaceous gland
- Apocrine gland
- Endocrine gland
Answer: B. Sebaceous gland 3 / 4
GA Estheticianination Exam
Explanation: Sebaceous glands produce sebum, an oily substance that helps lubricate the skin and protect it from moisture loss.
- Which layer of the skin primarily acts as insulation and padding for the body?
- Epidermis
- Dermis
- Subcutaneous tissue
- Stratum Spinosum
Answer: C. Subcutaneous tissue
Explanation: The subcutaneous tissue (hypodermis) is made up of loose connective tissue and fat, providing insulation, cushioning, and energy storage.
- Which skin type typically has fine pores and may experience flaking or tightness?
- Normal
- Oily
- Combination
- Dry
Answer: D. Dry
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