S 3, L 9

Select all that apply. Which of the following nutrients help grow healthy hair? 1)protein 2)Vitamin A 3)carbohydrates 4)Vitamin B-12

1, 2

Select all that apply. Overexposure to which of the following elements can cause your hair to become dry and brittle? 1)heat 2)sunlight 3)chlorine 4)oil

1, 2, 3

Select all that apply. Which of the following in this lesson can be affected by your social and emotional health and your nutrition? 1)hair 2)eyes 3)skin 4)teeth

1, 3

Select all that apply. Which of the following will prevent hangnails? 1)trimming nails once a week 2)drinking water 3)using lotion around the cuticle 4)cleaning nails daily

2, 3

The average person has approximately ____ strands of hair on his head.

300,000

Match the following phrases with the corresponding terms. 1.the outer layer of skin that is responsible for the production of melanin and keratin 2.a protein substance necessary to healthy skin 3.the inner layer of skin that contains hair follicles and sweat glands 4.responsible for the production of sebum 5.an oily substance that protects the skin 6.the result of sebum being trapped in a follicle with a piece of dirt or bacteria 7.the results of sweat being allowed to sit on bacteria-crowded areas of the skin 8.the best means of prevention for body odor and acne

6)acne 7)body odor 5)sebum 8)washing 1)epidermis 3)dermis 2)keratin 4)sebaceous glands

_____ is another word for decay.

Decomposition

T/F: Keeping your body clean helps to prevent the spread of disease.

True

T/F: Keeping your nails clean will help protect you against the spread of harmful bacteria.

True

The _____ of the hair strand is embedded in the hair follicle.

bulb

The _____ consists of the fibers that surround the medulla.

cortex

The _____ is the outside layer of the hair strand.

cuticle

The _____ protects the nail matrix from the invasion of harmful substances.

cuticle

Hair color is determined by the melanin that is produced at the base of the ____.

follicle

The shape of the hair is determined by the curvature of the _____.

follicle

The ____ is the part of the nail plate that extends beyond the nail bed.

free edge

Like hair, nails consist mainly of: ____

keratin

The _____ is covered by a thin layer of skin called the _____.

lunula .... cuticle

The ____ is the soft core of the hair strand.

medulla

The _____ is the root of the nail from which keratinized cells grow.

nail matrix

The ____ protects the skin at the top of the finger and the bone underneath.

nail plate

How often should fingernails be trimmed?

once a week