Question 1

Which part of the neuron is primarily responsible for receiving incoming signals from other neurons?

Accepted Answer

Dendrite

Question 2

During the action potential, what causes the inside of the neuron to become more positively charged?

Accepted Answer

Sodium ions ($$Na^+) $$flooding in

Question 3

Which brain structure is most closely associated with the formation of new memories?

Accepted Answer

Hippocampus

Question 4

A patient presents with staccato, non-fluent, and agrammatical speech after a stroke. Which brain area is most likely damaged?

Accepted Answer

Broca's Area

Question 5

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

Accepted Answer

Occipital lobe

Question 6

What is the main function of the medulla in the hindbrain?

Accepted Answer

Control of breathing and blood circulation

Question 7

Which neurotransmitter pathway is most affected in Parkinson's disease?

Accepted Answer

Dopamine pathway (Substantia Nigra)

Question 8

If a person cannot recognize faces due to brain damage, which region is most likely affected?

Accepted Answer

Fusiform gyrus

Question 9

Which brain structure is involved in regulating hunger, thirst, and body temperature?

Accepted Answer

Hypothalamus

Question 10

Which of the following best describes neuroplasticity?

Accepted Answer

The brain's capacity to reorganize and adapt based on experience

Question 11

Which of the following is a correct sequence of events during an action potential?

Accepted Answer

Depolarization → Repolarization → Hyperpolarization

Question 12

A taxi driver who has been driving for many years is found to have an enlarged hippocampus. This is an example of:

Accepted Answer

Neuroplasticity

Question 13

Which brain structure is most involved in balance and coordination?

Accepted Answer

Cerebellum

Question 14

Which of the following best illustrates the concept that complex mental functions do not reside in one place in the brain?

Accepted Answer

Memory formation involves the cerebellum, cerebral cortex, hippocampus, and medial temporal lobe

Question 15

Which method allows scientists to measure electrical activity in the brain in real time?

Accepted Answer

Electroencephalogram (EEG)

Question 16

Which lobe of the brain is most associated with personality, intelligence, and voluntary muscle movement?

Accepted Answer

Frontal lobe

Question 17

Which of the following is a function of the reticular formation?

Accepted Answer

Controlling arousal and sleep

Question 18

Damage to which area would most likely result in grammatical but meaningless speech?

Accepted Answer

Wernicke's area

Question 19

Which of the following best describes the role of the thalamus?

Accepted Answer

Relay station for sensory information

Question 20

Which equation best represents the change in membrane potential during depolarization?

Accepted Answer

$$V_{m} = V_{rest} + \Delta V_{Na^+}$$

Biology of Behavior II: The Nervous System and Brain Structure

Study Guide - Practice Questions