Question 1

Which of the following best describes the function of the myelin sheath in a neuron?

Accepted Answer

It insulates and protects axons, speeding up neural conduction.

Question 2

During the action potential, what is the primary event that occurs when the neuron is stimulated past its threshold?

Accepted Answer

Positively charged sodium ions rush inside the neuron.

Question 3

A patient has difficulty understanding spoken language after a stroke. Which brain area is most likely affected?

Accepted Answer

Wernicke's area in the left temporal lobe

Question 4

Which of the following best explains how neurotransmitters are removed from the synaptic gap after signaling?

Accepted Answer

They are broken down by enzymes or taken back into the presynaptic neuron via reuptake.

Question 5

Which neuroimaging technique uses a radioactive tracer to highlight areas of brain activity?

Accepted Answer

PET scan

Question 6

A researcher wants to study the effects of stimulating a specific brain region in a noninvasive way. Which technique should they use?

Accepted Answer

Transcranial magnetic stimulation (TMS)

Question 7

Which structure in the hindbrain is primarily responsible for regulating breathing and heart rate?

Accepted Answer

Medulla

Question 8

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

Accepted Answer

Difficulty forming new memories

Question 9

Which lobe of the brain contains the primary visual cortex?

Accepted Answer

Occipital lobe

Question 10

A person is unable to plan or organize tasks after a head injury. Which brain region is most likely damaged?

Accepted Answer

Frontal lobes

Question 11

Which of the following is a key difference between the left and right cerebral hemispheres?

Accepted Answer

The right hemisphere specializes in spatial perception and facial recognition.

Question 12

Which statement best describes the function of the association areas of the cortex?

Accepted Answer

They are involved in higher mental functions such as learning, memory, and language.

Question 13

Which of the following best describes the role of the pituitary gland?

Accepted Answer

It is known as the 'master gland' because it controls the release of hormones from other endocrine glands.

Question 14

A person is experiencing increased heart rate and sweating in response to a stressful situation. Which division of the nervous system is primarily responsible?

Accepted Answer

Sympathetic division

Question 15

Which of the following is NOT a function of the hypothalamus?

Accepted Answer

Coordinating voluntary muscle movement

Question 16

Which endocrine gland is responsible for regulating metabolism by secreting thyroxin?

Accepted Answer

Thyroid gland

Question 17

A person with damage to the corpus callosum would most likely experience which of the following?

Accepted Answer

Difficulty coordinating information between the left and right hemispheres

Question 18

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

Accepted Answer

Serotonin

Question 19

Which of the following is an effective strategy for positively coping with attention-deficit/hyperactivity disorder (ADHD) in adults?

Accepted Answer

Using organizational tools and setting clear goals

Question 20

A multi-step scenario: A patient suffers a stroke that damages the left frontal lobe, specifically Broca's area. Which symptoms are most likely, and which neuroimaging technique would best show the affected brain region?

Accepted Answer

Difficulty producing speech; MRI

Foundations of Biological Psychology: Neurons, Brain Structure, and the Nervous System

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