Exam 14: The Brain and Cranial Nerves

Which cranial nerve in the diagram is primarily involved in the sense of vision?

In 1848,a railroad worker named Phineas Gage was seriously injured during an explosion on the job.A tapered metal rod ranging from 0.25 inches to 1.25 inches in diameter and over 3 feet long entered his skull just under his left cheek bone and exited through the top of his skull.The rod was found over twenty feet away.Amazingly,Gage lived even though he suffered massive damage to the left front of his brain.His personality and intellectual abilities changed,however.Before the accident,he was respected as a smart,capable and even-tempered man.After the accident,he was foul-mouthed and bad-tempered and could not make up his mind.In the years immediately preceding his death,he began to have epileptic seizures.Explain the changes observed in Mr.Gage based on your knowledge of the brain.

Which of the following is NOT a major region of the brain?

Which cranial nerve in the diagram has an autonomic motor function primarily involved in near vision accommodation and constriction of the pupil?

Which of the following meninges has two layers?

Which of the following glands is directly controlled by hormones produced by the hypothalamus?

Which of the following structures conducts nerve impulses between the two different hemispheres of the cerebrum?

Brain waves that appear in adults and children during periods of emotional stress are called

Patients with damage in the left hemisphere often exhibit aphasia (inability to use or comprehend words).This is an example of

This protects the brain by preventing the movement of harmful substances and pathogens from the blood into the brain tissue.

Which of the labeled structures in the diagram is the thalamus?

Which cranial nerve that serves the eyes has a purely sensory function?

Which of the following statements best describes the structure of the blood-brain barrier that provides its functional characteristics?

A deep indentation found along the medial plane that separates the right and left cerebral hemispheres is called the

This extension of the dura mater separates the two hemispheres of the cerebrum.

Which of the following cranial nerves is responsible for regulating visceral activity?

Which of the following is a fluid-filled cavity located in each hemisphere of the cerebrum?

This structure in the brain contains centers responsible for the "startle reflex" in response to loud sounds.

Which cranial nerve in the diagram has an autonomic motor function primarily involved in stimulating secretion of saliva?

This major portion of the brain is used to monitor movements initiated by the motor areas of the cerebrum.