physiology senses practice

What layer of the eye contains photoreceptors?

• sclera

• choroid

• retina

• optic disc

Which portion of the eye is a hole that lets light reach the lens?

• iris

• ciliary muscle

• pupil

• retina

What lobe of the cerebrum contains the visual cortex?

• frontal

• occipital

• parietal

• temporal

What photoreceptor is activated by bright light and color?

• rods

• cones

• hair cells

• gustatory receptors

Put the pathway for sound in the correct order from external to internal.

• tympanic membrane --> external auditory canal --> ossicles --> cochlea

• external auditory canal --> tympanic membrane --> cochlea --> ossicles

• tympanic membrane --> ossicles --> external auditory canal --> cochlea

• external auditory canal --> tympanic membrane --> ossicles --> cochlea

What is the function of the eustachian tube?

• allows sound to pass to the inner ear

• allows insects to crawl into the throat

• allows pressure to equalize between the ear and the outside

• allows sensation of spinning equilibrium

What structure contains taste buds?

• nasal mucosa

• lingual papilla

• auditory canal

• olfactory nerve

What portion of the ear senses spinning motion (dynamic equilibrium)?

• semicircular canals

• retina

• temporal lobe

• cochlea

What type of receptors are found in the nose?

• gustatory receptors

• chemoreceptors

• photoreceptors

• mechanoreceptors

What portion of the ear contains the hair cells for hearing?

• middle ear

• external ear

• semicircular canals

• cochlea