Chapter 7: Skin Structure, Growth & Nutrition
Skin Layers, Sebum, Collagen, UV Aging & Nutrition|37 Questions|Board Exam Prep
Vocabulary Matching
Match each numbered term with the correct lettered definition. Write the letter in the blank.
Fill in the Blank
Complete each statement with the correct term or phrase.
The outermost layer of the skin is called the .
The protein that makes skin firm is called .
is responsible for skin and hair color.
The oily substance from sebaceous glands is called .
The deepest epidermis layer producing new cells is the stratum .
UV exposure causes premature aging known as .
The outermost protective layer of dead cells is the stratum .
Vitamin is essential for collagen synthesis.
Multiple Choice
Select the best answer for each board-exam style question.
Which epidermis layer produces new skin cells?
Which factor can accelerate skin aging?
Sebum functions to:
Collagen is a protein that:
Sun exposure is which type of aging factor?
The dermis contains all EXCEPT:
Which nutrient is an antioxidant protecting skin?
Genetics is which type of aging factor?
True / False
Write T for True or F for False in the blank.
Melanin is produced in the stratum germinativum.
UV exposure is a primary cause of premature skin aging.
Stratum corneum is the deepest layer where new cells are produced.
Sebum lubricates skin and provides some bacterial protection.
Collagen and elastin both decrease with age.
Genetics is an extrinsic aging factor.
Smoking can accelerate skin aging.
The dermis is the outermost layer of the skin.
Short Answer
Answer each question in 2-3 complete sentences.
What is the role of sebum in skin health?
Name three nutrients that contribute to healthy skin and explain each.
Match each aging factor to its category (intrinsic vs. extrinsic): sun exposure, genetics, smoking, poor diet.