$$ Na^+ \ \text{influx} \rightarrow K^+ \ \text{efflux} $$

Question 1

Which characteristic of the nervous system allows it to change in response to experience, and is crucial for learning and recovery after injury?

Accepted Answer

Adaptability

Question 2

A patient suffers damage to the Broca’s area in the left hemisphere. Which function is most likely to be impaired?

Accepted Answer

Speech production

Question 3

Which division of the nervous system is responsible for voluntary movement and processing sensory information?

Accepted Answer

Somatic nervous system

Question 4

During a stressful event, which neurotransmitter is most likely to be released to prepare the body for 'fight or flight'?

Accepted Answer

Norepinephrine

Question 5

Which of the following best describes the function of the myelin sheath?

Accepted Answer

It increases the speed of neural transmission.

Question 6

A researcher uses EEG to study brain activity. What is the primary advantage of this technique?

Accepted Answer

It measures electrical activity in real time.

Question 7

Which equation represents the resting membrane potential of a neuron?

Accepted Answer

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

Question 8

Which neurotransmitter is primarily involved in muscle contraction at the neuromuscular junction?

Accepted Answer

Acetylcholine

Question 9

A split-brain patient is shown an object in their left visual field. Which hemisphere processes this information, and what is the likely outcome?

Accepted Answer

Right hemisphere; patient cannot verbally identify the object

Question 10

Which part of the brain is most associated with regulating basic survival functions such as breathing and heart rate?

Accepted Answer

Medulla

Question 11

Which process best explains how neurotransmitters are released into the synaptic cleft?

Accepted Answer

Exocytosis

Question 12

Which equation describes the movement of ions during an action potential?

Accepted Answer

$$ Na^+ \ 	ext{influx} ightarrow K^+ \ 	ext{efflux} $$

Question 13

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

Accepted Answer

Temporal lobe

Question 14

A person with damage to the hippocampus would most likely experience difficulty with which function?

Accepted Answer

Forming new memories

Question 15

Which hormone is released by the adrenal glands in response to stress?

Accepted Answer

Cortisol

Question 16

Which technique allows researchers to study the function of specific brain regions by temporarily disabling them?

Accepted Answer

Lesioning

Question 17

Which equation best represents the genetic contribution to a trait according to behavior genetics?

Accepted Answer

$$ P = G + E $$

Question 18

Which neurotransmitter is most closely associated with mood regulation and is often targeted by antidepressant medications?

Accepted Answer

Serotonin

Question 19

Which structure connects the two cerebral hemispheres and allows for communication between them?

Accepted Answer

Corpus callosum

Question 20

A person is able to recover some functions after a stroke due to the brain’s ability to reorganize itself. What is this phenomenon called?

Accepted Answer

Plasticity

Biological Foundations of Behavior: The Nervous System, Brain, and Genetics

Study Guide - Practice Questions