The Special senses 2

Question 0

The opening at the center of the iris, that grows smaller or larger as the iris contracts or relaxes. It regulates the amount of light that enters the eye

Answer 0

Pupil

Question 1

A common eye disorder that develops with age and causes a person to have difficulty seeing objects close up

Answer 1

Presbyopia

Question 2

The inner layer of the eye, containing light sensing nerve cells

Answer 2

Retina

Question 3

Receptors cells in the retina that are sensitive to light, but cannot distinguish color. They help you to see in dim light

Answer 3

Rods

Question 4

The tough, outermost layer of the eye, also called “white” of the eye. It covers all except the front of the eye , and light cannot pass the through it

Answer 4

Sclera

Question 5

Structures in the inner ear that help a person maintain balance

Answer 5

Semicircular canals

Question 6

Hearing loss in which the damage lies in the inner ear, the acoustic nerve, or both. It is also called “nerve deafness, and is the most common from of hearing loss

Answer 6

Sensorineural hearing loss

Question 7

A condition in which the two eyes do not focus in the same direction when a person is looking at a distant object. Also called “cross-eyed”

Answer 7

Strabismus

Question 8

Sense organs found primarily on the top surface of the tongue that provide information about the food being eaten

Answer 8

Taste buds

Question 9

A abnormal ringing in the ear

Answer 9

Tinnitus

Question 10

A fibrous partition located at the inner end of the ear canal, and separating the outer ear from the middle ear, it is also called the eardrum

Answer 10

Tympanic membrane

Question 11

The jelly like substance that fills the part of the eye behind the lens, and helps the eye keep its shape

Answer 11

Vitreous humor