Exam 12: Sensory Mechanisms

Which one of the following parts of the eye is affected by cataracts?

Which one of the following receive(s) a physical or chemical stimulus and ultimately cause(s) nerve impulses to be generated in sensory neurons?

Using the figure above, identify the structures of the eye. A) retina B) sclera C) lens D) aqueous humor E) pupil F) cornea G) choroid H) iris I) vitreous humor 10) Label R represents the ________. 11) Label S represents the ________. 12) Label T represents the ________. 13) Label U represents the ________. 14) Label V represents the ________. 15) Label W represents the ________. 16) Label X represents the ________. 17) Label Y represents the ________. 18) Label Z represents the ________.

-The figure above is a diagram of an abnormal eye that would result in vision problems. A person with this condition would be considered farsighted and would require convex lenses in order to see objects in the distance.

A student is staring directly at a bird outside the classroom window. The image of the bird is focused on the ________ of the retina.

Which one of the following parts of the eye is continuous with the cornea and forms the outer surface of the back of the eye?

Vibration of the ________ bends hairs of the hair cells, which ultimately generate impulses in ________.

Olfactory receptors are located in which one of the following?

Which of the following receptors are MOST likely to demonstrate receptor adaptation?

Somatic sensations include temperature, touch, vibration, pressure, and pain; these sensations originate from receptors found in certain localized areas of the body.

Receptor adaption occurs when

The "blind spot" is associated with which one of the following?

The two structures of the eye that focus light are the ________ and ________.

The transparent covering of the front of the eye is the

Pain receptors and receptors that monitor and maintain homeostasis typically do not adapt.

Vision in dim light is due to the activity of ________ cells.

The vestibular apparatus located in the middle ear is a system of fluid-filled chambers that is essential to the sense of hearing.

________ neurons transmit information about stimuli, in the form of electrical impulses, to integration centers.

Different pitched (high or low) sounds are discriminated by the

Somatic receptors distributed throughout the body are linked to sensory neurons that send impulses to which one of the following regions of the brain?