Exam 12: Sensory Mechanisms

Texting while driving involves which types of driving distractions?

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

________ extend out from the exposed tip of taste cells into the mouth.

The middle layer of tissue in the back of the eye that consists of pigmented cells and blood vessels is the ________.

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

Using the figure above, identify the structures of the eye. -Label R represents the ________.

Nearsightedness and farsightedness are caused by the

Using the figure above, identify the structures of the eye. -Label S represents the ________.

As humans age, their ability to focus on nearby objects deteriorates. This is the result of

Match each of the following disorders associated with sensory mechanisms with its description. -condition that results from a decrease in the normal transparency of the lens

The transparent covering of the front of the eye is the

The movement of tiny, bonelike crystals called ________, located in the vestibule of the vestibular apparatus, is important in determining the position of the head.

When an individual first gets dressed, he or she is conscious of the clothing on his body. A short time later, however, he or she is no longer aware of it. This phenomenon of the CNS ignoring a relatively unimportant sensation is known as ________.

Match the following. Answers may be used more than once. -the air-filled chamber in temporal bone containing three small bones

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

The vestibule contains two fluid-filled chambers, called the utricle and saccule, which are alike in that

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

Using the figure above, match the structures of a taste bud with the regions (A-D) identified on the figure. -taste cell

Match the following. Answers may be used more than once. -sound waves moving through this area hit the tympanic membrane

Match the following types of receptors to their definitions. -respond to immediate, extreme heat or cold