Deck 2: Section 1: The Biology of Mind and Behavior: the Brain in Action

Question 1

Rashad is in the hospital and is about to undergo a brain-imaging process that involves placing him inside a magnetic field so that a computer can create three-dimensional images of his brain.What procedure is he about to undergo?

A)electroencephalography (EEG)
B)magnetic resonance imaging (MRI)
C)computed tomography (CT)
D)positron emission tomography (PET)

Answer 1

magnetic resonance imaging (MRI)

Question 2

LaKeisha stepped on a piece of glass and quickly pulled her foot away from that sharp object.Which of the following are responsible for sending a message to the muscles in LaKeisha's foot, resulting in her pulling her foot away from the piece of glass?

A)motor neurons
B)interneurons
C)sensory neurons
D)reflexes

Answer 2

motor neurons

Question 3

"All or none" is the principle stating that ______.

A)a neuron either fires or does not fire
B)a neuron fires at full strength or not at all
C)all the dendrites must be receiving messages telling the neuron to fire or it will not fire at all
D)all somas must be receiving messages telling the neuron to fire or it will not fire at all

Answer 3

a neuron either fires or does not fire

Question 4

Endocrine glands ___________.

A)secrete hormones directly into the bloodstream
B)are chemicals released into the bloodstream
C)are an extensive network of specialized cells
D)are a thin layer of cells coating the axons

Question 5

If you were to play a very dangerous (and somewhat gruesome)game and saw part of your skull off and look at your now well-ventilated brain in a mirror, the first structure(s)you would see under the skull will be the ________.

A)corpus callosum
B)meninges
C)ventricle
D)gyrus

Question 6

The function of the ________ is to carry information to and from all parts of the body.

A)soma
B)synapse
C)nervous system
D)endorphins

Question 7

Ito was driving through a rough part of town late at night when a stray bullet hit the front side of his head.Both the left and right sides of his prefrontal cortex were severely damaged.As a result of the accident, Ito most likely

A)died from his injuries.
B)suffered loss of his arms and legs.
C)lost his sense of hearing.
D)suffered a change in personality.

Question 8

The thalamus could be thought of as being analogous to a(n)________.

A)airline hub
B)speedway
C)police station
D)bus stop

Question 9

____________neurotransmitters make it more likely that a neuron will send its message to other neurons, whereas _____________ neurotransmitters make it less likely that a neuron will send its message.

A)Excitatory; inhibitory
B)Inhibitory; excitatory
C)Augmentation; depletion
D)Depletion; augmentation

Question 10

To say that both genes and environment are important ________.

A)is completely accurate
B)is completely inaccurate
C)is partially correct depending on the given person and situation
D)is true, yet it fails to clarify that they are different aspects of a single system