Special senses

Which of the following is the correct sequence of the ossicles going from the tympanic membrane to the oval window?

• incus, malleus, stapes

• malleus, incus, stapes

• stapes, incus, malleus

• malleus, stapes, incus

The organ of Corti is considered to be the organ of hearing. Where is it located?

• Scala media

• Scala vestibuli

• Scala tympani

Primary structure for hearing ____.

• External auditory canal

• Organ of Corti

• Ossicles

• Perilymph

Which eye structure determines a person's eye color?

• Cornea

• Conjunctiva

• Iris

• Lens

What is the point of sharpest, most distinct visual acuity within the eye?

• Fovea centralis

• Macula

• Retina

• Optic disc

When a person cries heavily, many times their nose begins to “run.” This is due to the fact that tears from the eyes will pass through the __________ and enter into the nasal cavity.

• Nasolacrimal duct

• Scleral sinus of the eye

• anterior cavity of the eye

Which of the following statements is true?

• Due to the location of rods in the retina, you can see objects at night better if you look straight at the object.

• Rods are more numerous than cones.

• The fovea centralis area consists of only rods.

Which of the following correctly describes the pathway of light passing through the eye to the retina?

• cornea, anterior chamber, pupil, posterior chamber, lens, posterior cavity, retina

• cornea, anterior cavity, pupil, posterior cavity, lens, posterior chamber, retina

• cornea, anterior chamber, iris, pupil, posterior chamber, lens, posterior cavity, retina

The __________ produces aqueous humor that fills the __________.

• retina; posterior cavity

• ciliary body; anterior cavity

• ora serrata; posterior chamber

In order to initiate an action potential regarding olfaction, which of the following must occur first?

• The olfactory bulbs must be activated.

• The synaptic areas within the brain must be activated.

• The molecules of the vapor must dissolve in the mucus that covers the nasal epithelium.