Health Study Guide Module 13

Healthy Skin, Hair, and Nails Healthy Teeth and Mouth Healthy Eyes and Ears

Which substance cools the skin?

sweat

What is the order of the structure of the skin, going from the inner body to the outer body?

Subcutaneous layer, dermis, epidermis

Which of the following is a risk from overexposure to UV radiation?

skin cancer

The \__________________ is the area immediately around the teeth.

periodontium

The part of the tooth that contains the blood vessels and nerves of a tooth is called the \_____________

pulp

The combination of bacteria and other particles that adhere to the outside of a tooth is called \________________

plaque

When an inflammation of the periodontal structures occurs, you have (a)- \___________________________

periodontal disease

What component of plaque works on sugars to create acids that cause cavities?

bacteria

What is malocclusion?

A misalignment of teeth

What part of the tooth is the connective layer between the enamel and the pulp?

dentin

The \____________ is the white part of the eye

sclera

The \____________ is the inner layer of the eye wall that contains millions of light-sensitive cells.

retina

The \__________ \_____________ is made of three bones that connect the eardrum to the inner ear.

auditory ossicles

\______________ is a ringing or other sound heard in the ear in the absence of external sound

tinnitus

When you blink, tears move across the surface of the eyeball to

moisten and clean the eye.

In which disease does abnormal pressure build up inside the eye?

Glaucoma

What refines the focus of an image onto the retina?

The lens

Which parts of the ear are involved in balance?

Semicircular canals and vestibule

What object is safe to put in your ear?

none

myopia

nearsightedness

hyperopia

farsightedness

sebaceous glands

Structures within the skin that produce an oily secretion called sebum.

Epidermis

The outer, thinner layer of the skin that is composed of living and dead cells.

dermis

The thicker layer of skin beneath the epidermis that is made up of connective tissue and contains blood vessels and nerves.

melanin

A pigment that gives the skin, hair, and iris of the eyes their color.

melanoma

The most serious form of skin cancer.

sebum

oily substance produced by the sebaceous glands

eczema

inflamed or scaly patch of skin

periodontal disease

inflammation of the periodontal structure

iris

colored portion of the eye containing the pupil

cochlea

spiral-shaped canal in the inner ear

halitosis

bad breath

lacrimal gland

produces tears and secretes into your eyes through ducts

outer ear

channels sound waves into the canal

middle ear

auditory ossicles: 3 small bones linked together that connect the eardrum to the inner ear

inner ear

the labyrinth, divided into 3 main parts:

cochlea

vestibule

semicircular canals

conductive hearing loss

blockage or injury to middle ear

sensorineural hearing loss

birth defect, aging, exposure to noise, & problems with medications