15. The Special Senses

Identify the structures of the external, middle, and internal ear in the following figure.

a. ___

b. ___

c. ___

d. ___

e. ___

f. ___

g. ___

h. ___

i. ___

The axons from the nasal retina in the left eye terminate in the:

a. Right lateral geniculate nucleus

b. Left lateral geniculate nucleus

c. Right medial occipital lobe

d. Left medial occipital lobe

Displacement of stereocilia toward the kinocilium of a hair cell

(a) Produces a depolarization of the membrane

(b) Produces a hyperpolarization of the membrane

(c) Decreases the membrane permeability to sodium ions

(d) Increases the membrane permeability to potassium ions

(e) Does not affect the membrane potential of the cell

Sylvia Marcus, age 70, recently had surgery for otosclerosis. The operation was a failure and did not improve her condition. What was the purpose of the surgery, and exactly what was it trying to accomplish?

The axons of the olfactory nerve terminate in the:

a. Olfactory epithelium

b. Olfactory bulb

c. Olfactory tract

d. Primary olfactory cortex

Cranial nerves that are part of the gustatory pathway include

a. Trigeminal

b. Facial

c. Hypoglossal

d. Glossopharyngeal