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Exam 2: Biology and Behavior

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Question 71

Multiple Choice

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The function of the neuron's axon is to _____

A) carry messages to other cells.
B) regulate the neuron's life processes.
C) receive messages from neighboring neurons.
D) insulate against leakage of electrical impulses.

E) All of the above
F) A) and C)

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Question 72

Multiple Choice

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Ever since he suffered a brain injury by falling from a ladder, Zack's wife has continued to tell the doctor that Zack's personality has changed. He used to be fun loving and carefree, but he is now more critical and yells at the children for little reason. Zack is likely to have suffered damage to the _____ of his cortex.

A) occipital lobe
B) parietal lobe
C) prefrontal area
D) postfrontal area

E) B) and C)
F) A) and B)

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Question 73

Multiple Choice

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Our brain has an amazing ability to adapt to changed inputs and to brain damage. We call this ability _____

Which of the following are tiny sacs in the axon terminal that hold chemicals that are released into the synapse?

Which of the following helps adults think faster than young children?

Samuel still felt enraged hours after he was cut off on the highway, and he wanted to hit somebody. This may be because his _____ glands are still signaling his brain, maintaining this response to the earlier threat.

Research suggests that the amount of _____ is associated with performance on intelligence tests.

The _____, often referred to as the master gland because it activates other glands, is located _____

Moving toward the back of the head, the last area of the frontal lobe contains the _____

Jerry is having difficulty with the motor nerves in his leg. His problem is in the _____ nervous system.

Discuss the difference between phenotype and genotype and why the phenotype may be different from the genotype in an individual.

Deterioration of the health of the heart and blood vessels poses an increased risk to the brain of damage from _____

Our metabolism, the rate at which food is converted to energy, is controlled by a hormone released by the _____

The first functional division of the cerebral cortex is _____

Explain how neurotransmitter levels are maintained.

_____ receive messages from other neurons and _____ send messages to other neurons.

Multiple sclerosis results in loss of coordination, jerky movement, muscular weakness, and speech disturbance through the deterioration of _____

In women's brains, the proportions of white and gray matter are _____ in both hemispheres.

Malcolm is studying alone in his room when he hears a loud noise downstairs. His heart rate and respiration speed up. He wonders if a burglar has entered the house. When he looks downstairs, he sees that his cat just knocked over a plant. He begins to relax and his heart rate and breathing slow down. Which part of his nervous system is working to return him to a normal state?

_____, produced by the _____ gland(s) , plays a role in activating the _____ nervous system.