2024|2025 EST Skin and Integumentary System Exam
(106E.01, 106E.02, 106E.03, 105E.02) WITH COMPLETE
SOLUTION
Which of the following terms is an example of thermoregulation? Correct Answer:
vasoconstriction
Which medical condition has hormonal and reproductive challenges and usually shows
acne and hair growth on the face and chin? Correct Answer: Polycystic ovary syndrome
(PCOS)
Which of the following skin functions is referred to as detoxification? Correct Answer:
excretion
What is the normal pH range of the skin? Correct Answer: 4.5-5.5
What is the technical name for the study of skin, including its structure, functions,
diseases and treatment? Correct Answer: dermatology
An important component of skin cells is a protein substance called: Correct Answer:
keratin
The process in which living cells become flat, hard and eventually die forming a dead
layer at the skin's surface is called: Correct Answer: keratinization
There are no blood vessels in which of the following skin layers? Correct Answer:
epidermis layer
The epidermis is primarily composed of: Correct Answer: keratinocytes
, Where does mitosis or cell division of the skin take place? Correct Answer: stratum
basale
Which of the following items determines the color of the skin? Correct Answer: melanin
Which type of sensory cells that respond to touch are found in the stratum basale layer
of the skin? Correct Answer: Merkel
Which type of cells help protect the body from infection and are found in the stratum
spinosum layer? Correct Answer: Langerhans cells
Foreign substances in the body that provoke an immune response are called: Correct
Answer: antigens
Fingerprints are formed by Correct Answer: epidermal ridges
What quality is notable about the stratum corneum? Correct Answer: it is the toughest
layer of epidermis
What is the term that describes the absorption process that allows some molecules to
pass through the skin? Correct Answer: Transdermal penetration
When product molecules are absorbed into the skin directly through the corneocytes it
is known as: Correct Answer: transcellular diffusion
Which laver of the skin's permeabilitv barrier prevents transepidermal water loss
(TEWL)? Correct Answer: Acid mantle
The chemical conversion of living cells into dead protein cells is known as: Correct
Answer: keratinization
(106E.01, 106E.02, 106E.03, 105E.02) WITH COMPLETE
SOLUTION
Which of the following terms is an example of thermoregulation? Correct Answer:
vasoconstriction
Which medical condition has hormonal and reproductive challenges and usually shows
acne and hair growth on the face and chin? Correct Answer: Polycystic ovary syndrome
(PCOS)
Which of the following skin functions is referred to as detoxification? Correct Answer:
excretion
What is the normal pH range of the skin? Correct Answer: 4.5-5.5
What is the technical name for the study of skin, including its structure, functions,
diseases and treatment? Correct Answer: dermatology
An important component of skin cells is a protein substance called: Correct Answer:
keratin
The process in which living cells become flat, hard and eventually die forming a dead
layer at the skin's surface is called: Correct Answer: keratinization
There are no blood vessels in which of the following skin layers? Correct Answer:
epidermis layer
The epidermis is primarily composed of: Correct Answer: keratinocytes
, Where does mitosis or cell division of the skin take place? Correct Answer: stratum
basale
Which of the following items determines the color of the skin? Correct Answer: melanin
Which type of sensory cells that respond to touch are found in the stratum basale layer
of the skin? Correct Answer: Merkel
Which type of cells help protect the body from infection and are found in the stratum
spinosum layer? Correct Answer: Langerhans cells
Foreign substances in the body that provoke an immune response are called: Correct
Answer: antigens
Fingerprints are formed by Correct Answer: epidermal ridges
What quality is notable about the stratum corneum? Correct Answer: it is the toughest
layer of epidermis
What is the term that describes the absorption process that allows some molecules to
pass through the skin? Correct Answer: Transdermal penetration
When product molecules are absorbed into the skin directly through the corneocytes it
is known as: Correct Answer: transcellular diffusion
Which laver of the skin's permeabilitv barrier prevents transepidermal water loss
(TEWL)? Correct Answer: Acid mantle
The chemical conversion of living cells into dead protein cells is known as: Correct
Answer: keratinization
