61) A(n) ________ responds to the movement of a single hair.
A) arrector pili muscle
B) hair matrix
C) hair papilla
D) root hair plexus
62) A sebaceous gland is classified as a ________ gland.
A) compound tubular
B) simple tubular
C) simple alveolar
D) compound alveolar
63) The epidermis is a keratinized ________ epithelium.
A) compound columnar
B) stratified squamous
C) simple squamous
D) simple areolar
64) The only cell type found superficial to the stratum spinosum in the epidermis is the
A) keratinocyte.
B) melanocyte.
C) dendritic cell.
D) tactile epithelial cell.
65) In the ABCD rule for recognizing melanoma, the letter D stands for
A) depth.
B) diameter.
C) dark.
D) density.
66) The appearance of wrinkles in skin with age is largely due to changes in the
A) collagen and elastic fibers in the dermis.
B) keratin of the epidermis.
C) carotene in the epidermis.
D) blood vessels in the dermis.
67) Excessive exposure to ultraviolet radiation (UVR) can lead to skin cancer, but minimal UVR exposure can lead to
A) porphyria.
B) vitiligo.
C) vitamin D deficiency.
D) ulcerative colitis.
68) Damage to the hair ________ would prevent hair growth.
A) cortex
B) cuticle
C) matrix
D) medulla
69) "Goose bumps" on the skin are due to action of the
A) arrector pili muscles.
B) sweat glands.
C) sebaceous glands.
D) flexion creases.
70) Which statement is
not
part of the explanation for male pattern baldness?
A) Cells of the hair matrix cease mitosis.
B) Hair growth cycles shorten.
C) Hair shafts may not reach the surface.
D) Terminal hairs are replaced by vellus hairs.
71) Holocrine secretion
A) differentiates the products of ceruminous and mammary glands from other sweat glands.
B) involves the bursting of the glandular epithelial cell.
C) produces a lipid-rich product that can be metabolized by bacteria.
D) results from the exocytosis of protein-rich vesicles.
72) The type of skin cancer that arises from keratinocytes of the stratum spinosum is
A) basal cell carcinoma.
B) malignant melanoma.
C) squamous cell carcinoma.
D) psoriasis.
73) The integumentary organs that are derived from mesoderm and function in thermoregulation are
A) nails.
B) hair.
C) sebaceous glands.
D) arrector pili muscles.
74) A partial-thickness burn involves
A) the epidermis.
B) the epidermis and papillary layer of the dermis.
C) the epidermis and the entire dermis.
D) the epidermis, dermis, and any portion of the hypodermis.