Exam 15: The Special Senses

A nurse is administering Pilocarpine eye drops. The nurse instructs the patient to press on the nasolacrimal duct for 30 seconds because the medication can have some systemic side effects, such as affecting the heart rate. Explain the rationale for pressing on the nasolacrimal duct.

Which of the following taste sensations is incorrectly matched to the chemicals that produce it?

The receptor for static equilibrium is the .

Conscious perception of vision probably reflects activity in the .

The function of the lens of the eye is to allow precise focusing of light on the retina.

The ability to clearly see objects at a distance but not close up is properly called .

Receptors for hearing are located in the .

When we move from darkness to bright light, retinal sensitivity is lost, but visual acuity is gained.

Contraction of the ciliary muscle causes the lens to bend the light less.

Color vision has much greater resolution than night vision (vision that is mostly in shades of gray). Which of the following is the best explanation for why this is so?

The visible light portion of the electromagnetic spectrum fits between .

Which of the following is true about gustatory receptors?

What two things does the ciliary body do?

The only special sense NOT fully functional at birth is the sense of .

Visual processing in the thalamus does NOT contribute significantly to .

Select the correct statement about olfaction.

Distinguish between the maculae and cristae ampullaris in terms of their sensory reception.

In order for sound to reach the spiral organ (of Corti), the auditory ossicles must vibrate the oval window and set the endolymph in motion.

Which of the following is the best explanation for our perception of color?

Without a functioning crista ampullaris, the semicircular canals would not function.