Exam 10: The Senses

The conjunctiva forms part of the eyelid.

Pain caused by a heart attack is often interpreted by the brain as coming from the left arm. This is called __________.

Gustatory receptors are examples of what class of receptor?

The sense called __________ allows the maintenance of posture and balance when the body is at rest.

The transparent, anterior portion of the outer layer of the eye is called the __________.

Nerve impulses from taste receptors can travel in the facial, glossopharyngeal, and vagus nerves.

The spread of a respiratory infection to the middle ear, causing an ear infection, can occur due to the presence of the structure called the __________.

List the components of the middle (vascular) layer of the wall of the eye.

The fovea centralis and macula lutea are part of what layer of the wall of the eye?

What is the immediate result of stimulation of the hair cells of the spiral organ?

The auditory tube runs between the throat and the __________.

What brain structures do not have pain receptors?

The ciliary bodies in Emma's eyes have become less functional over time. What is the effect of this change on her vision?

Conductive hearing loss can occur as a result of __________.

Some chemotherapy agents have been reported to be ototoxic (toxic to the ear). More specifically, the drugs cisplatin and carboplatin are associated with cochleotoxity. What would be an expected side effect of the use of these two drugs?

The fovea centralis contains a high concentration of rods.

The photoreceptors that provide black and white vision are called cones.

The process by which the brain causes a sensation to seem to come from the original region of stimulation is called __________.

What vitamin is required for the synthesis of photopigments such as rhodopsin?

The conjunctiva lines the inner surface of the eyelid and covers the anterior surface of the sclera.