AP1 Chapter 5

Why might soap that has an alkaline base not be healthy for some patients to use daily? a.) The base will neutralize the acid on the skin that retards the growth of bacteria, and the removal of the normal microbiota of skin will leave the person exposed to opportunistic pathogens. b.) The base will neutralize the acid on the skin that retards the growth of bacteria. c.) The removal of the normal microbiota of skin will leave the person exposed to opportunistic pathogens. d.) The base will cause damage to the epidermis if used daily.

a.) The base will neutralize the acid on the skin that retards the growth of bacteria, and the removal of the normal microbiota of skin will leave the person exposed to opportunistic pathogens.

Which of the following would NOT be a correct characteristic of melanoma? a.) border regularity b.) diameter of 12 mm c.) asymmetry d.) color that is dark black or brown

a.) border regularity

During cold weather, blood vessels located in the dermis undergo vasoconstriction restricting blood flow into the skin. This produces additional body heat by routing blood to what effector organ? a.) skeletal muscle b.) cardiac muscle c.) smooth muscle d.) brain

a.) skeletal muscle

Which of the following cells and their functions are correctly matched? a.) Keratinocytes provide sense of touch and pressure b.) Dendritic cells activate the immune system c.) Melanocytes protects cells in the stratum corneum from damaging effects of sun's rays d.) Tactile cells provide protection

b.) Dendritic cells activate the immune system

Which glands secrete an oily product that softens the skin and hair? a.) ceruminous glands b.) sebaceous glands c.) apocrine sweat glands d.) eccrine sweat glands

b.) sebaceous glands

Which stratum of the epidermis contains the stem cells responsible for regenerating the more superficial layers? a.) stratum corneum b.) stratum basale c.) stratum spinosum d.) stratum granulosum

b.) stratum basale

In alopecia, new hair growth stops because cell division is inhibited in the_________. a.) epithelial root sheath b.) cuticle c.) hair matrix d.) hair follicle receptor

c.) hair matrix

Which skin pigment is made in the skin as a natural defense against UV radiation? a.) carotene b.) keratin c.) melanin d.) hemoglobin

c.) melanin

The skin is NOT a __________ barrier. a.) chemical b.) biological c.) metabolic d.) physical

c.) metabolic

What is the role of the hair follicle? a) The hair follicle produces hair. b.) The hair follicle allows hair to "stand on end," or become erect. c.) The hair follicle serves as a sensory receptor. d.) The hair follicle serves as an anchor for the hair shaft.

d.) The hair follicle serves as an anchor for the hair shaft.