Exam 13: The Peripheral Nervous System and Reflex Activity

Static equilibrium involves linear acceleration as well as changes in head rotation.

The receptor for static equilibrium is the ________.

Match the following reflexes to their function: A) Tendon B) Flexor C) Plantar D) Stretch E) Crossed-extensor -Produces muscle relaxation and lengthening in response to tension; the contracting muscle relaxes as its antagonist is activated.

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

Pressure, pain, and temperature receptors in the skin are ________.

A patient suffers nerve damage to the median nerve, requiring surgery to suture the nerve back together. After surgery, the patient reports that sensation from the lateral and medial sides of the index finger seem to be reversed. How could this happen?

The apex of the cochlea hears sounds in the range of ________ Hz.

Name three unencapsulated sensory receptors and tell what they are used for.

The ________ nerve is not a branch of the trigeminal nerve.

Match the following: A) Abducens B) Olfactory C) Vestibulocochlear D) Vagus E) Accessory -Formed by the union of a cranial and a spinal root.

The posterior side of the thigh, leg, and foot is served by the ________ nerve.

Figure 13.4 Using Figure 13.4, match the following: -Fluid blockages cause glaucoma.

Figure 13.4 Using Figure 13.4, match the following: -Holds the retina firmly against the pigmented layer.

What is Wallerian degeneration?

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

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

Receptors for hearing are located in the ________.

What is the chemical composition of the rod pigment, rhodopsin, and how does it appear to act in the reception of light?

Figure 13.1 Using Figure 13.1, match the following: -Longest cranial nerve.

The optic disc is the location where the optic nerve leaves the eyeball.