Question 1

The ___________ receives input that gives rise to sensations of heat, touch, cold, balance, and body movement and is located in the parietal lobe.

Accepted Answer

A) somatic sensory cortex 
B) parietal lobe 
C) motor cortex 
D) temporal lobe

Question 2

You are walking down a dark hallway and your friend jumps out to startle you. Which division of the autonomic nervous system will be activated?

Accepted Answer

A) Somatic nervous system 
B) Peripheral nervous system 
C) Parasympathetic nervous system 
D) Sympathetic nervous system

Question 3

According to studies performed by Brenda Milner of McGill University, frontal lobe damage can impair the ability to judge the order in which a series of events has occurred and the ability to plan and carry out a sequence of actions.

Accepted Answer

A) True 
 B)False

Question 4

You are a physiological psychologist who wishes to record changes in neural activity within specific brain areas while people perform a learning task. Which brain imaging method would you find most useful in recording ongoing changes?

Accepted Answer

A) fMRI 
B) CT scan 
C) EEG 
D) A neuropsychological test

Question 5

When the resting potential is made more negative (e.g., moved from -70 to -73 millivolts), the neuron is said to be depolarized.

Accepted Answer

A) True 
 B)False

Question 6

Following a stroke, a patient is no longer capable of formulating speech (they can't speak fluently). Which area of the brain is likely affected by the stroke?

Accepted Answer

A) Broca's area 
B) auditory 
C) Wernicke's area 
D) somatic sensory area

Question 7

Let's say you are a doctor and one of your patients has trouble speaking. There is nothing wrong with his vocal chords, mouth, or tongue. Most likely, if there is a brain abnormality you would expect to find it in

Accepted Answer

A) Wernicke's area 
B) The primary auditory cortex 
C) Broca's area 
D) The nucleus accumbens 
E) Wilder's area

Question 8

In the sensory cortex, the size of a given area of cortex is directly related to the ___________ of the body area it is mapping.

Accepted Answer

A) size 
B) age 
C) sensitivity 
D) health

Question 9

What is the role of the thalamus in sensory input, and possibly in thought and perceptual disorders?

Accepted Answer

The answer of What is the role of the thalamus...

Question 10

A new drug has the effect of opening potassium channels at the postsynaptic membrane. The result at the postsynaptic membrane is likely to be

Accepted Answer

A) depolarization 
B) hyperpolarization 
C) increased rate of firing 
D) excitation 
E) increased reuptake

Question 11

What role does the hypothalamus have in motivated behaviour, hunger, pleasure-pain, and hormonal functions?

Accepted Answer

The answer of What role does the hypothalamus have in...

Question 12

Explain Wilder Penfield's contribution to our understanding of brain functioning. Include in your explanation, a description of the technique he used to study the brain.

Accepted Answer

The answer of Explain Wilder Penfield's contribution to our understanding...

Question 13

When neurotransmitters plug into the appropriate neuron receptors, sodium ions very briefly flood through potassium channels like water through dam floodgates. This changes the neuron's electrical balance and is called

Accepted Answer

A) an action potential. 
B) an absolute refractory period. 
C) a graded potential. 
D) an anion. 
E) an induced potential.

Question 14

If a neurotransmitter depolarizes the postsynaptic membrane, the effect is

Accepted Answer

A) excitation 
B) inhibition 
C) to prevent reuptake 
D) to open chlorine channels 
E) to open potassium channels

Question 15

Juan has difficulty identifying objects. He can see them quite well, but he just does not know what they are. Juan suffers from

Accepted Answer

A) aphasia 
B) split-brain syndrome 
C) visual neglect 
D) neurogenesis 
E) agnosia

Question 16

According to the text, which of following neurotransmitters should you target if you wanted to treat depression?

Accepted Answer

A) Serotonin 
B) GABA 
C) Acetylcholine 
D) Dopamine 
E) Neuromodulators

Question 17

When the tamping iron went through Phineas Gage's head, it damaged the part of his brain responsible for self control, planning, judgment, and inhibition of behaviours. This part of the brain is called

Accepted Answer

A) the hypothalamus. 
B) the association cortex. 
C) the prefrontal cortex. 
D) Wernicke's area. 
E) the limbic system.

Question 18

A male rat has a particular area of its brain destroyed and is no longer interested in engaging in sexual behaviours. It is most likely that the site of damage in the rat's brain is in the _____________.

Accepted Answer

A) hippocampus 
B) thalamus 
C) hypothalamus 
D) amygdala

Question 19

One big difference between axons and dendrites involves the type of electrical activity that occurs in each. Axons generate _____, while dendrites produce ______.

Accepted Answer

A) action potentials; graded potentials 
B) depolarized zones; hyperpolarized zones 
C) sodium inflow; potassium outflow 
D) additive signals; all-or-none signals 
E) resting potentials; action potentials

Question 20

What causes the negative resting potential of neurons? When is a neuron said to be in a state of polarization?

Accepted Answer

The answer of What causes the negative resting potential of...

Exam 3: Biological Foundations of Behaviour