Question 1

Very young children have about 50 percent more brain synapses than do mature adults.

Accepted Answer

A) True 
 B)False

Question 2

The area of the brain that plays a role in vital life functions, such as heart rate and respiration, is the

Accepted Answer

A) thalamus 
B) cerebellum 
C) medulla 
D) hypothalamus

Question 3

When the brain is damaged, surviving neurons can restore functioning by modifying themselves either structurally or biochemically.

Accepted Answer

A) True 
 B)False

Question 4

A new study is being conducted to assess the brain chemistry of patients who are newly diagnosed with Parkinson's disease. Which neurotransmitter should this study measure?

Accepted Answer

A) Dopamine 
B) Serotonin 
C) Endorphin 
D) Norepinephrine

Question 5

The term "executive functions" has the strongest association with which of the following?

Accepted Answer

A) Prefrontal cortex 
B) Medulla 
C) Thalamus 
D) Association cortex

Question 6

If the absolute refractory period did not exist in the cycle of an action potential, which of the following should be possible?

Accepted Answer

A) Sodium would not have to be recycled. 
B) There should be almost no limit on how fast a neuron can fire. 
C) The resting potential of a neuron would be zero. 
D) Action potentials would be much larger. 
E) There would be no need for a postsynaptic receptor site.

Question 7

Levitin of McGill University studies the neuroscience of music. How has his research demonstrated that, when listening to music, not only the parts of the brain that we would expect to be involved in listening to sound, but also areas that suggest movement are activated, even for non-musicians?

Accepted Answer

The answer of Levitin of McGill University studies the neuroscience...

Question 8

In neurotransmission at the synapse, after a neurotransmitter is released, it diffuses across the synaptic cleft and ___________.

Accepted Answer

A) attaches to receptor sites on the receiving cell 
B) continues travelling down the axon of the next neuron as an action potential 
C) never actually touches the receiving neuron but acts as a stepping stone for the action potential to skip across the gap and keep travelling down the next neuron 
D) uses ion channels to enter the next neuron

Question 9

CT scans, PET scans, and MRIs are all similar in that they all can ____________.

Accepted Answer

A) be classified as brain stimulation techniques 
B) be used to capture brain activity 
C) be classified as brain imaging techniques 
D) make use of various types of X-rays to create images of the brain

Question 10

While the hypothalamus is known to play a role in the formation of motivational and emotional urges, it is thought that the coordination of the behaviours needed to satisfy these urges is performed by the _______.

Accepted Answer

A) hippocampus 
B) thalamus 
C) limbic system 
D) amygdala

Question 11

Which neurotransmitter is excitatory?

Accepted Answer

A) GABA 
B) Endorphin 
C) Glutamate 
D) Serotonin

Question 12

Describe and list the functions of the three primary structures in the hindbrain. For each structure, state what typically happens if that structure is damaged.

Accepted Answer

The answer of Describe and list the functions of the...

Question 13

Branchlike fibers that collect messages from adjacent neurons and pass them along to the cell body of the receiving neuron are called ____________.

Accepted Answer

A) axons 
B) axon terminals 
C) dendrites 
D) nodes of Ranvier

Question 14

Is it true that at birth you have all the neurons you will ever have?

Accepted Answer

The answer of Is it true that at birth you...

Question 15

Steve has aphasia. He can talk, but his communication is telegraphic-he has difficulty stringing words together in a sentence. Most likely, Steve has damage to an area in the

Accepted Answer

A) frontal lobe 
B) parietal lobe 
C) occipital lobe 
D) temporal lobe 
E) fusiform gyrus

Question 16

Derek has been asked to hand-deliver a message to Adeline. Adeline lives across the river from Derek, and there is no bridge. Derek's friends Hakeem, Geoff, and Rion have also been asked to carry messages across the river. The four friends agree that they will share a boat across the channel so they can deliver their messages. If we compare this scenario to neuron communication, we can say that the boat, which contained the messengers, is like a

Accepted Answer

A) vesicle. 
B) neurotransmitter. 
C) synapse. 
D) receptor site. 
E) neuromodulator.

Question 17

Sally suffered a stroke on her left hemisphere in her frontal lobe. Now Sally is unable to produce speech. Sally's stroke damaged what area in her brain?

Accepted Answer

A) Motor cortex 
B) Broca's area 
C) Wernicke's area 
D) Somatic cortex

Question 18

Describe the roles played by the ascending and descending reticular formation. Why is it called the "brain's gatekeeper"?

Accepted Answer

The answer of Describe the roles played by the ascending...

Question 19

Describe what happens to a neuron when an impulse is triggered. Your answer should include a discussion and clarification of the following terms: resting potential, polarization, graded potential, ion channels, action potential threshold, depolarization, and absolute refractory period.

Accepted Answer

The answer of Describe what happens to a neuron when...

Question 20

Under neuron resting conditions, the outside of the neuron has more sodium than the outside

Accepted Answer

A) True 
 B)False

Exam 3: Biological Foundations of Behaviour

Very young children have about 50 percent more brain synapses than do mature adults.

The area of the brain that plays a role in vital life functions, such as heart rate and respiration, is the

When the brain is damaged, surviving neurons can restore functioning by modifying themselves either structurally or biochemically.

A new study is being conducted to assess the brain chemistry of patients who are newly diagnosed with Parkinson's disease. Which neurotransmitter should this study measure?

The term "executive functions" has the strongest association with which of the following?

If the absolute refractory period did not exist in the cycle of an action potential, which of the following should be possible?

Levitin of McGill University studies the neuroscience of music. How has his research demonstrated that, when listening to music, not only the parts of the brain that we would expect to be involved in listening to sound, but also areas that suggest movement are activated, even for non-musicians?

In neurotransmission at the synapse, after a neurotransmitter is released, it diffuses across the synaptic cleft and ___________.

CT scans, PET scans, and MRIs are all similar in that they all can ____________.

While the hypothalamus is known to play a role in the formation of motivational and emotional urges, it is thought that the coordination of the behaviours needed to satisfy these urges is performed by the _______.

Which neurotransmitter is excitatory?

Describe and list the functions of the three primary structures in the hindbrain. For each structure, state what typically happens if that structure is damaged.

Branchlike fibers that collect messages from adjacent neurons and pass them along to the cell body of the receiving neuron are called ____________.

Is it true that at birth you have all the neurons you will ever have?

Steve has aphasia. He can talk, but his communication is telegraphic-he has difficulty stringing words together in a sentence. Most likely, Steve has damage to an area in the

Sally suffered a stroke on her left hemisphere in her frontal lobe. Now Sally is unable to produce speech. Sally's stroke damaged what area in her brain?

Describe the roles played by the ascending and descending reticular formation. Why is it called the "brain's gatekeeper"?

Describe what happens to a neuron when an impulse is triggered. Your answer should include a discussion and clarification of the following terms: resting potential, polarization, graded potential, ion channels, action potential threshold, depolarization, and absolute refractory period.

Under neuron resting conditions, the outside of the neuron has more sodium than the outside