Physiology and histology of the skin

Physiology is most accurately described as the study of the…

• Internal workings of microorganisms

• Functions of the body structures

• Functions of hair, skin, and nails

• Internal workings of genetics

The largest organ of the body is…

• Skin

• Liver

• Heart

• Endocrine glands

Appendages of the skin include…

• Hair

• Nails

• Sweat and oil glands

• All of the above

What removes and depletes lipids?

• HEV light exposure

• Free radical damage

• Exfoliation

• Peptides

What does the skin protect against?

• Inside elements and maccroorganisms

• Outside elements and microorganisms

• Outside elements and maccroorganisms

• Inside elements and microorganisms

The barrier function of the skin includes…

• Hair

• Follicles

• Pores

• Acid mantle

What is the average pH of the acid mantle?

• 2.5

• 4.5

• 5.5

• 6.5

What does TEWL stand for?

• Transepidermal water loss

• Transitional water loss

• Transepidermal waxy lipids

• Transferable water lipids

The intercellular cement between epidermal cells is made up of…

• Dermal cells

• Lipids

• Melanin

• Sebum

The immune cells that mature in the thymus gland and attack the virus-infected cells, foreign cells, and cancer cells are the…

• Melanocytes

• Neurons

• Langerhans cells

• T cells