Exam 15: The Special Senses

Figure 15.3 Using Figure 15.3, match the following: -Controls lens shape.

Figure 15.2 Using Figure 15.2, match the following: -Protects and shapes the eyeball; provides a sturdy anchoring site for extrinsic eye muscles.

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

The first "way station" in the visual pathway from the eye,after there has been partial crossover of the fibers in the optic chiasma,is the ________.

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

Precision of eye movement is due to the fact that extrinsic eye muscle motor units contain only 8 to 12 muscle cells and in some cases as few as 2 or 3 muscle cells.

Humans can see several thousand shades of color but have cone photoreceptors that are sensitive to only three (perhaps four)wavelengths of light.What is the best explanation for why we see so many colors?

An essential part of the maculae involved in static equilibrium is (are)the ________.

Match the following: -A condition often leading to blindness due to increased intraocular pressure.

During dark adaptation ________.

High frequency sounds are detected when the basilar membrane is displaced near the ________.

Ordinarily,it is not possible to transplant tissues from one person to another,yet corneas can be transplanted without tissue rejection.This is because the cornea ________.

Which of the following is not a possible cause of conduction deafness?

Figure 15.3 Using Figure 15.3, match the following: -Acts as a reflexively activated diaphragm to vary pupil size.

Information from balance receptors goes directly to the ________.

Match the following: -A condition of deafness that may result from otosclerosis.

Match the following: -Contains utricle and saccule.

Match the following: -Ear stones.

Match the following: -Can result from impacted cerumen.

The cells of the retina in which action potentials are generated are the ________.