Esthetician Practice Exam Esthetician Practice Anatomy and Physiology Questions and Answers 3

Question 1

What structure in the dermis is responsible for providing fingerprint patterns on the skin's surface?

Accepted Answer

Dermal papillae

Answer

Dermal papillae are projections of the dermis into the epidermis that create the ridges seen as fingerprints.

Question 2

Which blood vessels are the smallest and allow for nutrient and waste exchange in the skin?

Accepted Answer

Capillaries

Answer

Capillaries are the smallest blood vessels where the exchange of oxygen, nutrients, and waste products occurs between blood and tissue.

Question 3

What protein gives skin its strength and makes up approximately 70-80% of the dermis?

Accepted Answer

Collagen

Answer

Collagen is the most abundant protein in the dermis, providing structural strength and firmness to the skin.

Question 4

Which layer of the epidermis contains cells that are actively dividing through mitosis?

Accepted Answer

Stratum basale

Answer

The stratum basale is the deepest epidermal layer where new skin cells are produced through active cell division.

Question 5

The lymphatic system in the skin primarily functions to do what?

Accepted Answer

Remove waste products and excess fluid from tissues

Answer

The lymphatic system drains excess interstitial fluid and waste products from skin tissues, supporting immune defense.

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