Question 1

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

Accepted Answer

It mobilizes energy and prepares the body for fight-or-flight responses.

Question 2

A patient suffers damage to the hippocampus. Which cognitive function is most likely to be impaired?

Accepted Answer

Ability to form new memories and navigate environments.

Question 3

Which structure acts as a relay station for sensory information (except smell) to the cerebral cortex?

Accepted Answer

Thalamus

Question 4

Which equation best represents the concept of heritability in behavioral genetics?

Accepted Answer

$$h^2$$ = \frac{V_G}{V_P}$$

Question 5

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

Accepted Answer

Occipital lobe

Question 6

A drug that blocks the action of a neurotransmitter at its receptor site is called a(n):

Accepted Answer

Antagonist

Question 7

Which process describes the removal of excess neurotransmitters from the synapse by reabsorption into the presynaptic neuron?

Accepted Answer

Reuptake

Question 8

Damage to Broca's area in the left frontal lobe would most likely result in:

Accepted Answer

Inability to produce speech

Question 9

Which of the following best explains the 'all-or-none' principle of action potentials?

Accepted Answer

A neuron fires at full strength or not at all when the threshold is reached.

Question 10

Which brain imaging technique uses radioactive glucose to track activity in different brain regions?

Accepted Answer

Positron Emission Tomography (PET)

Question 11

Which part of the neuron is responsible for receiving chemical messages from other neurons?

Accepted Answer

Dendrites

Question 12

Which neurotransmitter is primarily associated with reward and is implicated in both schizophrenia and Parkinson's disease?

Accepted Answer

Dopamine

Question 13

Which of the following is a function of the cerebellum?

Accepted Answer

Coordination, precision, and accurate timing of movements

Question 14

Which structure connects the two hemispheres of the brain and allows for interhemispheric communication?

Accepted Answer

Corpus callosum

Question 15

Which equation represents the resting potential of a neuron?

Accepted Answer

$$V_{rest} \approx -70\ \mathrm{mV}$$

Question 16

Which of the following best describes neural plasticity?

Accepted Answer

The brain's ability to physiologically modify, regenerate, and reinvent itself throughout the lifespan.

Question 17

Which gland is considered the 'master gland' of the endocrine system and regulates other glands?

Accepted Answer

Pituitary gland

Question 18

Which of the following is a plausible consequence of demyelination in neurons?

Accepted Answer

Slower transmission of electrical impulses and increased resistance

Question 19

Which of the following best describes the role of interneurons?

Accepted Answer

They connect other neurons and interpret, store, and retrieve information to make decisions before acting.

Question 20

Which of the following is true about the process of gene expression?

Accepted Answer

Environmental experiences can influence which genes are turned on or off in a cell.

Chapter 3: Brain, Mind, and Behaviour – Psychology Study Notes

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