U8 Med Term 2 ears and eyes test review

Front

The malleus, incus, and stapes are also called the:

Back

ossicles

Answer explanation

The malleus, incus, and stapes are collectively known as the ossicles, which are the three small bones in the middle ear that play a crucial role in hearing.

Front

The eye sits in a protective bony socket called the:

Back

orbit

Answer explanation

The eye is housed in a protective bony socket known as the orbit. This structure provides support and protection for the eye, distinguishing it from other options like the mastoid process or lacrimal apparatus.

Front

What part of the eye changes shape to adjust the size of the pupil?

Back

iris

Answer explanation

The iris is the part of the eye that changes shape to control the size of the pupil, regulating the amount of light that enters the eye. The cornea, retina, and choroid have different functions and do not adjust the pupil size.

Front

What structure can be found in the inner ear? Options: ceruminous glands, stapes, tympanic membrane, cochlea

Back

cochlea

Answer explanation

The cochlea is a spiral-shaped structure in the inner ear responsible for converting sound vibrations into neural signals. The stapes is a bone in the middle ear, the tympanic membrane is the eardrum, and ceruminous glands produce earwax.

Front

Which two terms describe the same structure? auricle and pinna, eardrum and oval window, eustachian tube and external auditory canal, incus and stapes

Back

auricle and pinna

Answer explanation

The terms 'auricle' and 'pinna' both refer to the outer ear structure that collects sound waves. They are interchangeable, while the other pairs describe different structures in the ear.

Front

If someone has ptosis, what is drooping?

Back

upper eyelid

Answer explanation

Ptosis refers to the drooping of the upper eyelid. This condition can affect vision and is often caused by muscle weakness or nerve damage, making 'upper eyelid' the correct answer.

Front

What term describes the eye’s ability to adjust from near to distance vision?

Back

accommodation

Answer explanation

The term 'accommodation' refers to the eye's ability to change its focus from near to far objects by adjusting the lens shape. This process is essential for clear vision at varying distances.

Front

Keir has pain, redness, and light sensitivity after being poked in the eye. What’s likely?

Back

corneal abrasion

Answer explanation

Keir's symptoms of pain, redness, and light sensitivity after an eye injury suggest a corneal abrasion, which is a scratch on the cornea. This condition commonly occurs from trauma, such as being poked in the eye.

Front

The primary sign of glaucoma is:

Back

increased intraocular pressure

Answer explanation

The primary sign of glaucoma is increased intraocular pressure, which can damage the optic nerve. Other options like floating items, eye movements, and night blindness are not primary indicators of glaucoma.

Front

What is the medical term for ringing in the ears?

Back

tinnitus

Answer explanation

The medical term for ringing in the ears is 'tinnitus'. It is a common condition that can be caused by various factors, including exposure to loud noises, ear infections, or age-related hearing loss.