Skip to Main Content

++

Chapter 18: Skin

++
++
++

Which of the following components of the epidermis provides sealant between adjacent cells?

++
++
++

a. Keratohyaline granules

++
++

b. Glycolipids and lipids

++
++

c. Keratin

++
++

d. Desmosomes

++
++

e. Adherent junctions

++
++
++

Which cells derive from precursors originating in the bone marrow and function as antigen-presenting cells in skin?

++
++
++

a. Keratinocytes

++
++

b. Langerhans cells

++
++

c. Melanocytes

++
++

d. Merkel cell

++
++

e. Arrector pili

++
++
++

Cells responsible for producing the pigment for dark hair are located in which of following?

++
++
++

a. The cortex of the hair shaft

++
++

b. Throughout the hair shaft

++
++

c. The internal root sheath of the hair

++
++

d. The dermal papilla of the hair bulb

++
++

e. The hair matrix (zone of dividing and differentiating cells) of the hair bulb

++
++
++

Which of the following separates the hair follicle from the connective tissue of the dermis?

++
++
++

a. External root sheath

++
++

b. Internal root sheath

++
++

c. Glassy membrane

++
++

d. Hair cuticle

++
++

e. Medulla

++
++
++

Which structure typifies reticular dermis but not papillary dermis?

++
++
++

a. Capillaries

++
++

b. Dense irregular connective tissue

++
++

c. Meissner tactile corpuscles

++
++

d. Sweat gland ducts

++
++

e. Type I collagen fibers

++
++
++

Which of the following best characterizes sebaceous glands?

++
++
++

a. Its duct drains onto the skin surface.

++
++

b. It releases its contents via holocrine secretion.

++
++

c. It primarily secretes water and salts.

++
++

d. Its secretory units are supplied by adrenergic stimulation.

++
++

e. It is located typically in the reticular dermis

++
++
++

Myoepithelial cells aid in the secretory process of which ...

Pop-up div Successfully Displayed

This div only appears when the trigger link is hovered over. Otherwise it is hidden from view.