Problem 11e
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.
Problem 12
Which of the following is not a function of body hair in humans?
a. Protection from the environment
b. Sensation
c. Protection from mechanical trauma
d. Regulation of blood flow
Problem 13
The portion of the hair that projects from the surface of the skin is the _____, and the portion within the dermis is the _______, which is embedded in a(n) _____.
The portion of the hair that contains cells that undergo mitosis during the growth stage of the hair is known as the _________.
Problem 14
Nail growth occurs when:
a. Cells in the nail plate undergo mitosis
b. Cells in the nail matrix undergo mitosis
c. Cells in the eponychium undergo mitosis
d. Cells in the medial and lateral nail folds undergo mitosis
Problem 15
Sebaceous glands secrete by____ secretion; sweat glands secrete by____ secretion.
Problem 16
Match each type of gland with its correct properties.
Eccrine sweat gland
Sebaceous gland
Ceruminous gland
Mammary gland
Apocrine sweat gland
a. Branched gland that secretes sebum into a hair follicle
b. Gland that secretes a protein-rich sweat into a hair follicle
c. Simple coiled tubular gland found over most of the body that secretes sweat through a sweat pore
d. Gland that secretes ear wax
e. Modified sweat gland that produces milk
Problem 17
How do sweat and sebum differ?
Problem 18
Which type of burn involves the epidermis and all or part of the dermis?
a. First-degree burn
b. Second-degree burn
c. Third-degree burn
d. Fourth-degree burn
Problem 19
The type of skin tumor that involves the keratinocytes of the stratum spinosum is:
a. Basal cell carcinoma
b. Squamous cell carcinoma
c. Malignant keratocytoma
d. Malignant melanoma
Ch. 5 The Integumentary System