CHAPTER 5 TEST

In the diagram, which is the papilla of the hair?

E - Papilla of the hair

Which area stores approximately half of the body's lipid, secures the skin to underlying structures and consists of adipose and areolar connective tissue?

E - Subcutaneous layer

An individual allergic to peanut butter eats a snack containing trace amounts. While the reaction is not severe, the individual shows signs of elevated patches all over their skin. These patches are _______. (a) urticaria (b) contusions (c) papules (d) cysts (e) calluses

(a) urticaria

Which exocrine gland is primarily used for thermoregulation? (a) Sebaceous gland (b) Eccrine sweat gland (c) Apocrine sweat gland (d) Ceruminous gland

(b) Eccrine sweat gland

Which statement best describes why the diagram represents thick skin? Choose the best answer. (a) Thick skin lacks melanocytes. (b) Thick skin contains five stratums. (c) Thick skin epithelia is vascular. (d) Thick skin epithelia is avascular. (e) Thick skin contains stem cells.

(b) Thick skin contains five stratums.

A raised scar that extends into previously normal tissue is a(n) _________. (a) hypertrophic scar (b) keloid scar (c) granulation scar (d) epidermal scar

(b) keloid scar

Which of the following best describes the events occurring at point B in the diagram of deep wound healing shown below? (a) Blood clot is forming. (b) New collagen fibers are forming. (c) Damaged blood vessels are being repaired. (d) Epithelium is migrating across wound. (e) Scar tissue is forming.

(d) Epithelium is migrating across wound.

A ballet dancer may form hardened areas over their toe joints due to constant pressure and friction from their point shoes. What skin condition most likely developed on their toe joints? (a) callus (b) blister (c) wart (d) corn (e) cyst

(d) corn

A child is examined for chronic, pruritic (itching), plaques that appear red in the flexural areas of the body. What condition is the child most likely presenting? (a) hemangioma (b) keratosis (c) hives (d) eczema

(d) eczema

Sutures are required to close up a tear in the skin. What term best describes this injury? (a) abrasion (b) blister (c) keloid (d) laceration (e) cyst

(d) laceration

Which condition results from androgens inhibiting hair growth in genetically predisposed adults? (a) hirsutism (b) pallor (c) jaundice (d) male-pattern baldness (e) erythema

(d) male-pattern baldness

Which of the following areas in the diagram below gives the wound temporary integrity from external factors, like microbes?

A - Blood clot in wound

Which structures in the figure are sensitive to warmth, coolness and itching?

A - Free nerve ending

Which structure in the figure produces a protein that helps protect the skin and underlying tissues from heat, microbes and chemicals?

A - Keratinocyte

In the diagram of a hair root shown, which area may be missing in thinner hair?

A - Medulla (of Hair root)

In the figure of a sagittal section of a fingernail shown, a hangnail is associated with drying of what area?

B - Eponychium

Which structure in the figure detects touch sensations?

C - Tactile epithelial cell

Which structure in the figure produces a pigment that contributes to skin color and absorbs UV radiation?

D - Melanocyte

In the figure of a sagittal section of a fingernail shown, which area is comparable to the stratum corneum with visible vascular tissue beneath?

D - Nail body

In the diagram of a hair root shown, which area is composed of dense connective tissue?

F - Dermal root sheath

Which structure would recognize pulling of the skin during stitches even after a doctor anesthetizes the area?

F - Lamellated (pacinian) corpuscle

Which structure is primarily responsible for thermoregulation?

G - Eccrine sweat gland

In the diagram, where are actively dividing cells located?

G - Hair matrix

In the diagram, where does apoptosis occur?

G - Stratum granulosum

Which structures house Meissner's corpuscles, free nerve endings and capillary loops?

I - Dermal papillae