Question 1

The medulla and pons are similar in that they both are:

Accepted Answer

A)   involved in respiration.
B)   involved in sleep.
C)   involved in regulating heart rate.
D)   part of the midbrain. A

Question 2

Caffeine is a stimulant drug that increases the activity of neurons and other cells by:

Accepted Answer

A)   increasing GABA activity.
B)   reducing adenosine activity.
C)   serving as an agonist for the transmitter adenosine.
D)   serving as an antagonist for the transmitter GABA. B

Question 3

Shortly after a neural impulse has been triggered,for a brief period of time,the neuron is not excitable and cannot fire another impulse.This is called _____________.

Accepted Answer

A)   action potential
B)   resting potential
C)   absolute refractory period
D)   depolarization period C

Question 4

In 1868,Dr.Harlow wrote of Phineas Gage,"He is fitful,irreverent,indulging at times in the grossest profanity...manifesting but little deference for his fellows,impatient of restraint or advice when it conflicts with his desires." This change to the personality of Phineas Gage was the result of:

Accepted Answer

A)   damage to his occipital lobe
B)   untreated epileptic seizures
C)   undetected exposure to environmental toxins
D)   damage to his prefrontal cortex

Question 5

The overall charge inside a resting neuron is:

Accepted Answer

A)   positive.
B)   neutral.
C)   negative.
D)   not determined without more information.

Question 6

Which of the following represents the normal order of activation in neuronal transmission?

Accepted Answer

A)   Axon → dendrites → soma → axon terminals
B)   Axon terminals → soma → axon → dendrite
C)   Dendrite → axon terminal → soma → axon
D)   Dendrite → soma → axon → axon terminal

Question 7

The somatic sensory cortex is located in the _________________ lobe.

Accepted Answer

A)   cerebral
B)   frontal
C)   parietal
D)   temporal

Question 8

Damage to the Wernicke's area located in the temporal lobe would leave an individual unable to ___________________ written or spoken speech.

Accepted Answer

A)   talk
B)   produce
C)   comprehend
D)   walk

Question 9

The two ways in which neurotransmitters are deactivated in the synapse are chemical breakdown and reuptake.

Accepted Answer

A) True 
 B)False

Question 10

As you enter the classroom to take the exam covering this material,your heart rate increases,your muscles become tenser,and you start to sweat.These symptoms are most likely produced by your _____________________ system.

Accepted Answer

A)   somatic nervous
B)   immune
C)   parasympathetic nervous
D)   sympathetic nervous

Question 11

The tiny gap between the axon terminal of a neuron and the dendrite of the next neuron is called the:

Accepted Answer

A)   receptor site.
B)   cleft.
C)   synapse.
D)   dendrite.

Question 12

Police officers try to determine if a driver is drunk by giving him/her tests of coordination.That is because alcohol disrupts _____________ function.

Accepted Answer

A)   reticular formation
B)   pons
C)   cerebellum
D)   medulla

Question 13

Simone Shamay-Tsoory's research on prisoners was testing the hypothesis that psychopaths may be deficient in:

Accepted Answer

A)   the affective theory of mind.
B)   understanding the consequences of breaking the law.
C)   the functions of the association cortex.
D)   planning successful crimes.

Question 14

The nucleus of the neuron and the biochemical structures needed for cell survival are contained in the:

Accepted Answer

A)   axon.
B)   cell body.
C)   dendrites.
D)   myelin sheath.

Question 15

Which technique produces the most detailed,coloured images of the brain and can be used to study both brain structure and brain activity?

Accepted Answer

A)   Computerized axial tomography (CT) scans
B)   Magnetic resonance imaging (MRI) 
C)   Positron emission tomography (PET) scans
D)   Electroencephalogram (EEG)

Question 16

The somatic nervous system is responsible for:

Accepted Answer

A)   slowing down the body and keeping it calm.
B)   involuntary functions such as circulation and digestion.
C)   the fight-or-flight response.
D)   voluntary motor movements and receiving sensory signals.

Question 17

The type of neuron that carries input messages from the sense organs to the central nervous system is called the ___________.

Accepted Answer

A)   interneuron
B)   sensory neuron
C)   exoneuron
D)   motor neuron

Question 18

The reticular formation does NOT play a major role in

Accepted Answer

A)   consciousness,sleep and attention.
B)   protecting individuals from over stimulation.
C)   monitoring the flow of messages into and out of the brain.
D)   coordinating muscle movements.

Question 19

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 20

Which of the following would best be viewed as an example of association cortex?

Accepted Answer

A)   somatic sensory cortex
B)   Broca's area
C)   the amygdala
D)   the pons

Exam 3: Biological Foundations of Behaviour