Special Senses - MCQ Practice

Anatomy & Physiology

change in blood pressure

What does a baroreceptor measure?

taste and smell

What does a chemoreceptor measure?

sense of taste

What is gustation?

touch, pressure, vibration, and sound.

What do mechanoreceptors detect?

touch/pain

What do nociceptors detect?

smell

What is olfaction?

light

What do photoreceptors detect?

location, movement, and action of parts of the body

What do proprioceptors detect?

changes in temperature

What do thermoreceptors detect?

vision in low light; peripheral vision

What is a characteristic of rods?

color vision

What is a characteristic of cones?

photoreceptors

What type of receptor are cones considered?

where the optic nerve fibers exit the eye

What is the blind spot of the eye?

replaceable; in front of lens

What is a characteristic of aqueous humor?

gel-like; supports retina from falling off

What is a characteristic of vitreous humor?

eye is perfect; crisp, clear vision

What is emmetropia?

eye is elongated and abnormally shaped

What shape of the eye describes myopia (nearsightedness)?

eye is shorted and abnormally shaped

What shape of the eye describes hyperopia (far-sightedness)?

eye is egg-shaped or resembling a football; irregular shape causes light to focus at multiple points on the retina, leading to blurry or distorted vision

What shape of the eye describes astigmatism?

weakening of lens flexibility

What causes presbyopia?

the cornea

What structure of the eye does light first pass through?

vibrates in response to sound waves

What does tympanic membrane/eardrum do?

amplify sound through fluid

What does tympanic cavity do?

equalizes pressure in middle ear

What does eustachian/pharyngotympanic tube do?

transfer and amplify air vibrations to inner ear

What do auditory ossicles do?

auditory ossicles

What are the malleus, incus, and stapes considered?