Ch.8 health multiple choice

This skin condition is caused by the herpes simplex virus forming a visible lesion on the lip margins

Cold sore

What degree is a sunburn?

First

What are the three parts of hair?

Follicle, root, and shaft

"Jock itch" is caused by which of the following?

Fungi

To which of the following structures do the arrector pili muscles attach?

Hair follicle

Why is vitamin D a necessity for healthy bones and teeth?

It is needed for calcium absorption in the intestine

Why should you not squeeze blackheads?

It may create a pit

Hair js composed of a protien called

Keratin

What is/are the danger(s) of washing the face too often with non-pH-balanced soap?

Loss of antibacterial barrier

What determines the color of hair?

Melanin

Shaving or frequent trimming will: •cause hair to grow faster •cause hair to grow slower •cause hair to grow back curlier •none of the above

None of the above

Usually observed in children, this contagious disease is caused by mites

Scabies

Which of the following correctly describes an abrasion?

Scratched off skin

What determines the texture of hair?

Shaft shape: flat shafts produce curly hair, and round shafts produce straight hair

Some people of European descent have a pinkish tone to their skin because of

Surface vascularization

Acne develops when

There is an overproduction of sebum and an inflammation of the oil glands

In a cold environment, blood vessels of the Skin

Vasoconstrict, channeling blood from the periphery toward the body's core where heat is

Based on the information given in chapter 7, in order for effective body cooling to occur:

Water from sweat glands is excreted onto the skin, then is evaporated off, dispelling heat from the surface