Exam 13: The Peripheral Nervous System and Reflex Activity

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 ________.

Figure 13.3 Using Figure 13.3, match the following: -Amacrine cell.

David, an aspiring baseball player, was struck on the left side of his face with a fastball pitch. He was not wearing a safety helmet. His zygomatic arch was crushed, as well as parts of the temporal bone. Following the accident and reconstructive surgery, he noted that his left lower eyelid was still drooping and the corner of his mouth sagged. What nerve damage did he sustain?

Select the statement that is most correct.

The cranial nerve with a cervical origin (spinal cord) is the ________.

Match the following: A) Macula B) Crista ampullaris C) Taste buds -Hair cells receptive to changes in dynamic equilibrium are found in this structure.

Match the following: A) Precommand level B) Segmental level C) Projection level -Intermediate relay for incoming and outgoing neurons.

Figure 13.2 Using Figure 13.2, identify the following components of the reflex arc: -Motor neuron.

The ________ nerve is the largest of the cranial nerves.

Irritation of the phrenic nerve may cause diaphragm spasms called hiccups.

Figure 13.2 Using Figure 13.2, identify the following components of the reflex arc: -Receptor.

The glossopharyngeal nerve is the only cranial nerve that contains sensory fibers.

Match the following: A) Night blindness B) Otitis media C) Glaucoma D) Conduction deafness -A condition of deafness that may result from otosclerosis.

Bitter taste is elicited by ________.

Dermatomes are skin segments that relate to sensory innervation regions of the spinal nerves.

Match the following reflexes to their function: A) Tendon B) Flexor C) Plantar D) Stretch E) Crossed-extensor -Produces a rapid withdrawal of the body part from a painful stimulus; ipsilateral.

The dorsal ramus consists only of motor fibers bringing information to the spinal cord.

As sound levels increase in the spiral organ (of Corti), ________.

The photoreceptor cells are sensitive to damage from light.

Vitamin D needed by the photoreceptor cells is stored by the cells of the retina pigmented layer.