Exam 13: The Peripheral Nervous System and Reflex Activity

Match the following: A) Vestibule B) Tympanic membrane C) Cochlear duct D) Spiral organ (of Corti) -The central part of the bony labyrinth.

Match the following: A) Lens B) Fovea centralis C) Aqueous humor D) Retina -The sensory layer of the eye.

Match the following: A) Lens B) Fovea centralis C) Aqueous humor D) Retina -Helps maintain the intraocular pressure; located in the anterior part of the eye.

The second cranial nerve forms a chiasma at the base of the brain for partial crossover of neural fibers.

A nurse is asked about the cause of the excruciating pain of tic douloureux. How should s/he answer?

Match the following: A) Abducens B) Olfactory C) Vestibulocochlear D) Vagus E) Accessory -Helps to regulate blood pressure and digestion.

The only cranial nerves to extend beyond the head and neck region are the vagus nerves.

Match the following: A) Otoliths B) Vestibule C) Pharyngotympanic tube D) Tympanic membrane -Ear stones.

Roger went for his yearly eye examination and was informed that his intraocular pressure was slightly elevated (at 22 mm Hg). The physician expressed concern over this condition and noted that if the condition got worse, eye drops would be merited. What is wrong with Roger's eyes, and what are the possible consequences of this condition? Explain the function of eye drops used for therapy.

Farsightedness is more properly called ________.

Match the following: A) Abducens B) Olfactory C) Vestibulocochlear D) Vagus E) Accessory -Serves the senses of hearing and equilibrium.

Match the following: A) Precommand level B) Segmental level C) Projection level -Includes cortical and brain stem motor areas.

After head trauma from an automobile accident, a man has anosmia. Define anosmia. Why is this condition fairly common after such injuries and in cases of severe nasal cavity inflammation?

The middle ossicle in the ear is the ________.

The ________ nuclei are in the visual pathway and mediate the pupillary light reflexes.

Match the following: A) Otoliths B) Vestibule C) Pharyngotympanic tube D) Tympanic membrane -Separates external acoustic meatus from the middle ear.

The rocks found in one's head (calcium carbonate crystals) are called ________.

Body movement receptors are called ________.

Match the following: A) Lumbar plexus B) Brachial plexus C) Cervical plexus D) Sacral plexus -Striking the "funny bone" (ulnar nerve) may cause injury to a nerve of this plexus.

Figure 13.1 Using Figure 13.1, match the following: -Involved in movement of the digestive tract.