Chapter 3 Advanced Histology of the Cell and Skin

Question 1

What happens shortly after conception?

Answer 1

The process of cellular differentiation starts to occur, and each basic cell starts to specialize

Question 2

Describe the characteristics of the lipid tail of a phospholipid

Answer 2

hydrophobic and nonpolar

Question 3

Describe the characteristics of the lipid head of a phospholipid

Answer 3

hydrophilic and carries a polar charge

Question 4

What type of cell makes up the majority of the epidermis?

Answer 4

Keratinocytes

Question 5

What causes the release of interleukin-1, a signal for tissue repair?

Answer 5

Injury to the skin

Question 6

Which layer of the skin are melanocytes found?

Answer 6

The basal layer of the epidermis

Question 7

What are the two major types of white cells?

Answer 7

Lymphocytes and granulocytes

Question 8

What is the normal turnover time for the stratum corneum?

Answer 8

28-30 days

Question 9

What is the most abundant protein in the body?

Answer 9

Collagen

Question 10

What is one of the most abundant water-binding molecules?

Answer 10

Hyaluronic acid

Question 11

What happens to a cell during apoptosis?

Answer 11

It dies

Question 12

What causes tissue to release epidermal growth factor (EGF)

Answer 12

A wound

Question 13

What is not one of the four basic tissues of the body?

Answer 13

Cardiac

Question 14

What type of tissue transports signals to other organs?

Answer 14

Nervous

Question 15

What are the three types of muscle tissue?

Answer 15

Skeletal, cardiac, and smooth

Question 16

What structures bind the basal layer to the basement membrane through different types of proteins?

Answer 16

Hemidesmosomes

Question 17

How long should the stratum corneum be allowed to recover between chemical peels?

Answer 17

Four weeks

Question 18

What body system is not controlled by the autonomic nervous system?

Answer 18

Integumentary

Question 19

Where are you most likely to find Meissner’s corpuscles?

Answer 19

The hands, fingers, the soles of the feet, and glabrous skin of the toes

Question 20

What do the corpuscles of Ruffini detect?

Answer 20

Heat