Question 1

Which of the following brain imaging techniques is best suited for studying the timing of brain activity changes on the millisecond scale?

Accepted Answer

Electroencephalograph (EEG)

Question 2

A patient with damage to Broca's area is most likely to experience which of the following symptoms?

Accepted Answer

Impaired speech production

Question 3

Which neurotransmitter is most directly associated with movement and reward, and is implicated in both Parkinson's disease and schizophrenia?

Accepted Answer

Dopamine

Question 4

What is the primary function of the myelin sheath produced by oligodendrocytes in the central nervous system?

Accepted Answer

To speed up the transmission of electrical impulses along the axon

Question 5

Which of the following best describes the 'all-or-none' principle of the action potential?

Accepted Answer

Once the threshold is reached, the neuron fires completely or not at all

Question 6

A researcher is interested in visualizing both the structure and function of the brain during a cognitive task. Which technique should they use?

Accepted Answer

Functional Magnetic Resonance Imaging (fMRI)

Question 7

Which lobe of the cerebral cortex is primarily responsible for processing visual information?

Accepted Answer

Occipital lobe

Question 8

Damage to the hippocampus is most likely to result in which of the following deficits?

Accepted Answer

Difficulty forming new memories

Question 9

Which of the following best describes the function of the sympathetic division of the autonomic nervous system?

Accepted Answer

It is engaged during emergencies, preparing the body for 'fight or flight'

Question 10

Which hormone, released by the adrenal glands during times of stress, helps regulate blood pressure and cardiovascular function?

Accepted Answer

Cortisol

Question 11

A split-brain patient has had their corpus callosum severed. What is the most likely effect of this procedure?

Accepted Answer

Communication between the two cerebral hemispheres will be disrupted

Question 12

Which of the following best illustrates the concept of heritability?

Accepted Answer

The percentage of variability in a trait across a population that is due to genetic differences

Question 13

Which neurotransmitter is most likely to be involved in the effects of marijuana on appetite and memory?

Accepted Answer

Anandamides

Question 14

Which of the following is a correct sequence for the flow of information in a typical neuron?

Accepted Answer

Dendrite → Cell body → Axon

Question 15

Which of the following best describes the role of astrocytes in the nervous system?

Accepted Answer

They increase the reliability of neuronal transmission and are found in the blood-brain barrier

Question 16

A person is exposed to a sudden, life-threatening situation. Which of the following physiological changes is most likely to occur due to the release of adrenaline?

Accepted Answer

Increased energy production in muscle cells

Question 17

Which of the following statements about neurotransmission is correct?

Accepted Answer

Communication inside neurons is electrical, while communication between neurons is chemical

Question 18

Which of the following best explains why amphetamines can increase arousal and alertness?

Accepted Answer

They increase the activity of norepinephrine in the brain

Question 19

Which of the following is an example of neural plasticity in adulthood?

Accepted Answer

The potentiation of synapses during learning

Question 20

A researcher wants to estimate the heritability of intelligence. Which research design would be most appropriate?

Accepted Answer

Twin study

Biological Psychology: Bridging the Levels of Analysis

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