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Exam 2: The Biological Perspective

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Question 1

Multiple Choice

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A fatty substance that is wrapped around the shaft of axons in the nervous system and whose function is to insulate neurons and speed up the neural impulse is called a:

A) synaptic vesicle.
B) dendrite.
C) glial cell.
D) myelin cell.

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D

Question 2

Multiple Choice

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If you burn your finger,your immediate reaction will probably involve all BUT which of the following?

A) the brain
B) the spinal cord
C) sensory neurons
D) motor neurons

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Question 3

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Neurons that carry information from the senses to the spinal cord are called:

The ________ is the part of the brain responsible for the formation of long-term memories.

Ali is in the hospital about to undergo a brain-imaging process that involves taking many X-rays from different angles aided by the use of a computer.What type of imaging technique is being used?

The cerebellum:

Denise just received the results of a complete physical that found her body is not producing enough insulin.Which of the following endocrine glands is affecting her body's ability to produce insulin?

The subdivision of the peripheral nervous system that consists of nerves that control all the involuntary muscles,organs,and glands is called the _________ nervous system.

Neurons found in the centre of the spinal cord that receive information from the sensory neurons and send commands to the muscles through the motor neurons are called:

A chemical found in the synaptic vesicles that,when released,has an effect on the next cell is called a:

Bill was admitted to the hospital last week after he fell.When Bill's son visited,he found his father was unable to get words out in a smooth,connected fashion.If Bill's difficulty speaking is due to brain damage,what is the likely location of the damage?

"All or none" is the principle stating that:

The branches at the end of the axon are called:

Involuntary muscles are controlled by the ________ nervous system.

Which of the following is responsible for the ability to selectively attend to certain kinds of information in one's surroundings and become alert to changes?

The endocrine glands secrete chemicals called:

Libby's physician refers her to a medical centre in order to have the biochemical activity in her brain analyzed.She is given an injection of a radioactive glucoselike substance and then is told to lie down with her head in a scanner.The technique being used is:

Which of the following provinces likely has the highest rate of multiple sclerosis?

A/an ______ is a measure of how strongly two variables are related to each other.

Every deliberate action you make,such as pedaling a bike,walking,scratching,or smelling a flower,involves neurons in the ______ nervous system.