5. Integumentary System

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Carotene is a brown-black pigment that accumulates in the stratum corneum.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

The pigment hemoglobin in red blood cells gives skin a pinkish hue when it binds high amounts of oxygen.

Which cell functions as part of the immune system?

a. Keratinocyte

b. Melanocyte

c. Dendritic cell

d. Tactile epithelial cell

Match the appropriate structure with the proper description and/or function.

4. Cause Fingerprints

a. Dermal papillae

b. Lamellar corpuscles

c. Dermis

d. Hair follicle

e. Epidermis

f. Eccrine sweat gland

g. Reticular layer

h. Sebaceous glands

The rule of nines is helpful clinically in

a. Diagnosing skin cancer

b. Estimating the extent of a burn

c. Estimating how serious a cancer is

d. Preventing acne

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Tactile cells produce the pigment melanin.

The pigment hemoglobin in red blood cells gives light-colored skin a pinkish hue when it binds large amounts of oxygen.

Which epidermal cell type is most numerous?

a. Keratinocyte

b. Melanocyte

c. Dendritic cell

d. Tactile epithelial cell

The epidermis provides a physical barrier due largely to the presence of

a. Melanin

b. Carotene

c. Collagen

d. Keratin

Which epidermal cells contain keratohyaline and lamellar granules?

Match the appropriate structure with the proper description and/or function.

1. Made of dense, irregular connective tissue

 2. Produce sebum

3. Helps regulate body temperature by producing sweat

4. Cause fingerprints

5. Houses the hair root

6. Superficial keratinized stratified squamous epithelium

7. Deep pressure receptors

8. Vascular layer that houses skin appendages

a. Dermal papillae

b. Lamellar corpuscles

c. Dermis

d. Hair follicle

e. Epidermis

f. Eccrine sweat gland

g. Reticular layer

h. Sebaceous glands

Match the appropriate structure with the proper description and/or function.

1. Made of dense, irregular connective tissue

 2. Produce sebum

3. Helps regulate body temperature by producing sweat

4. Cause fingerprints

5. Houses the hair root

6. Superficial keratinized stratified squamous epithelium

7. Deep pressure receptors

8. Vascular layer that houses skin appendages

a. Dermal papillae

b. Lamellar corpuscles

c. Dermis

d. Hair follicle

e. Epidermis

f. Eccrine sweat gland

g. Reticular layer

h. Sebaceous glands

Name three changes that occur in the skin as one ages.

Which of the following is not a skin structure?

a. Nerve fiber

b. Hair papilla

c. Hair

d. Nail

Match the appropriate structure with the proper description and/or function.

1. Made of dense, irregular connective tissue

 2. Produce sebum

3. Helps regulate body temperature by producing sweat

4. Cause fingerprints

5. Houses the hair root

6. Superficial keratinized stratified squamous epithelium

7. Deep pressure receptors

8. Vascular layer that houses skin appendages

a. Dermal papillae

b. Lamellar corpuscles

c. Dermis

d. Hair follicle

e. Epidermis

f. Eccrine sweat gland

g. Reticular layer

h. Sebaceous glands