Exam 9: The Nervous System

During an automobile accident, Susan received a serious head injury to the left side. Afterward she had a hard time speaking, although she showed that she understood what was being said to her. Which area of her cerebrum was damaged?

Charles is comatose. What part of his brain is not working properly?

When you feel a touch on your arm, the ________ in the cerebrum makes you consciously aware of that sensation.

Match each definition to the correct term -This part of the peripheral nervous system carries sensory information from the skin, skeletal muscles, and joints to the central nervous system and may also direct voluntary movements.

When our ancestors were confronted by a saber tooth tiger, the ________ nervous system was responsible for "supercharging" their escape, while the ________ nervous system returned the body systems to normal after escaping the danger.

An interruption to the blood supply of the brain may cause a(n) ________.

The thin outer layer (1 to 2 mm thick) of each hemisphere of the brain that serves to increase the surface area by being arranged in a folded manner is called the ________.

Enrique was working with chemicals in a paint factory and suddenly lost the ability to detect odors. Could this loss have anything to do with a failure in the thalamus?

Fred has been diagnosed with a disease that causes him to forget that his relatives have been to see him. What parts of his brain are likely affected, given this information?

Sam was in a terrible head-on collision. When he recovered from all of the obvious, external injuries, the once affable and happy-go-lucky person had become surly and very unfriendly. Which part of his cerebrum was most likely damaged?

Gustav heard that a new sports drink would bulk up his muscles. He was worried that the stuff would contain steroids but was assured by his coach that it did not. He tried small amounts at first but then became impatient for results and drank a lot. He collapsed and was rushed to the emergency room with a high temperature. Using the information in this chapter, which part of the brain was most affected?

Which of these structures is located under the cerebral hemispheres and is important in sensory experience, motor activity, stimulation of the cerebral cortex, and memory?

A circuit of neurons that helps in the automatic response to a stimulus is a(n) ________.

While driving down the interstate at rush hour, you get cut off by an 18-wheeler and have to slam on the brakes. In addition to a major case of road rage, you also develop a rapid heart rate and breathing rate. What caused this increase? (Indicate the branch of the nervous system and neurotransmitters.) What is happening to your digestion at this point?

As John walked outside the ballpark, a foul ball sailed over the fence and came straight at him. He saw it, and before he could think of what to do, he had reflexively jumped out of the way. What part of the brain saved John from a nasty bump?

Arnold was involved in a major traffic accident, and some of the nerves in his spinal cord were cut. What are his chances for a full recovery? Please explain your answer.

Tunde has started to forget where she puts things and often forgets the names of people she has just met. What part of her brain is most likely not performing properly, according to the information in the text?

If a certain water-soluble, intravenous antibiotic is not succeeding in defeating the germs inside the central nervous system, the ________ may be preventing the antibiotic from reaching the brain.

Two of the divisions of the nervous system are nerves that control voluntary actions and nerves that control involuntary actions. These nerves are both found in the ________ nervous system.

Which of the following is a specific function of the cerebrospinal fluid?