Exam 10: The Senses

Treatment for a cataract involves removal of the __________ and replacement with an artificial one.

What structures contain the receptors that detect motion of the head?

What bacteriocidal enzyme is contained in tears?

The condition called anosmia is a loss of the sense of __________.

What photopigment is found in the rods of the retina?

In what situation would the lens of the eye thicken?

Auditory ossicles amplify vibrations as they move from the outer ear to the inner ear.

What is the order of structures through which light passes as it travels to the retina?

The cones in the retina contain photopigmentsthat are sensitive to what wavelengths (colors) of visible light?

What is the typical cause of nightblindness?

Pain sensations arising from visceral organs may be caused by the stretching of tissues.

The auditory tube connects the inner ear to the nasopharynx and functions to equalize air pressure.

Muscle spindles and Golgi tendon organs are examples of what class of receptor?

The utricle and saccule contain the sensory receptors associated primarily with the sense of dynamic equilibrium.

Name the watery secretion that is continually manufactured, nourishes the lens and cornea, and maintains the shape of the front of the eye.

Meissner's and Pacinian corpuscles are examples of receptors for __________.

Sympathetic nerve fibers stimulate contraction of which of the muscle fibers of the iris?

What is a characteristic of taste receptors?

What region of the retina provides the sharpest vision?

Blood vessels pass through the optic disc of the eye.