Question 1

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

Accepted Answer

It prepares the body for 'fight or flight' responses.

Question 2

A patient is experiencing muscle weakness and slowed neural communication due to the loss of myelin in the central nervous system. Which disorder is most likely responsible?

Accepted Answer

Multiple Sclerosis

Question 3

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

Accepted Answer

Corpus callosum

Question 4

During an action potential, which ion rushes into the neuron during depolarization?

Accepted Answer

Sodium ($$Na^+)$$

Question 5

Which neurotransmitter is primarily inhibitory in the brain and is enhanced by benzodiazepines?

Accepted Answer

Gamma-aminobutyric acid (GABA)

Question 6

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

Accepted Answer

Dendrites

Question 7

Which of the following statements about the endocrine system is correct?

Accepted Answer

Hormones travel through the bloodstream to reach their target cells.

Question 8

If a person’s pupils dilate and their heart rate increases in response to a stressful event, which division of the autonomic nervous system is most active?

Accepted Answer

Sympathetic

Question 9

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

Accepted Answer

Temporal lobe

Question 10

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

Accepted Answer

Processes and relays sensory signals to appropriate areas of the cerebral cortex

Question 11

Which structure in the brain is most associated with coordination, balance, and motor control?

Accepted Answer

Cerebellum

Question 12

Which of the following is true regarding the resting potential of a neuron?

Accepted Answer

It is a negative internal voltage of about $$-70 mV.$$

Question 13

Which of the following best explains the effect of Selective Serotonin Reuptake Inhibitors (SSRIs)?

Accepted Answer

SSRIs increase the amount of time that serotonin is in the synapse.

Question 14

Which of the following is the correct order of organization from smallest to largest: gene, chromosome, DNA?

Accepted Answer

Gene, DNA, chromosome

Question 15

Which of the following statements about heritability is correct?

Accepted Answer

Heritability is a population-level concept, not an individual-level measure.

Question 16

Which of the following best describes the function of the basal ganglia?

Accepted Answer

Regulating movement and inhibiting unnecessary actions

Question 17

Which of the following is responsible for initiating voluntary movements?

Accepted Answer

Primary motor cortex

Question 18

Which of the following statements about action potentials is true?

Accepted Answer

An all-or-nothing response means once the threshold is reached, the action potential will fire.

Question 19

Which gland is responsible for releasing hormones that activate the sympathetic nervous system?

Accepted Answer

Adrenal

Question 20

Which of the following best describes the difference between genotype and phenotype?

Accepted Answer

Genotype is the genetic makeup, while phenotype is the observable trait.

Biological Psychology: Organization and Function of the Nervous System

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