AP Psychology Biological Bases of Behavior

1. Which brain imaging technique measures brain activity by detecting changes in blood oxygen levels?

EEG

PET scan

FMRI

CT scan

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3. Which brain structure connects the cerebral cortex to the brainstem and is involved in arousal?

Reticular activating system

Basal ganglia

Thalamus

Cerebellum

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5. Which neurotransmitter system is most directly involved in reward and motivation?

Dopaminergic

GABAergic

Cholinergic

Glutamatergic

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7. Which of the following accurately describes the all-or-none principle in neural transmission?

A neuron fires only if stimulation exceeds threshold

Neurons fire at varying intensities depending on stimulus strength

Weak stimuli produce partial action potentials

The strength of the action potential varies with stimulus intensity

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9. Which endocrine gland is often called the 'master gland' because it regulates other glands?

Thyroid

Pituitary

Adrenal

Pancreas

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11. Which neurotransmitter is primarily responsible for mood regulation and is often targeted by antidepressant medications?

Acetylcholine

Serotonin

Glutamate

GABA

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13. Which of the following neurotransmitters is involved in motor control and is depleted in Parkinson's disease?

Dopamine

Serotonin

Acetylcholine

Norepinephrine

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15. Which brain structure is most critical for the formation of new long-term memories?

Amygdala

Hippocampus

Cerebellum

Pons

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17. Which of the following best describes the role of GABA in the nervous system?

It increases neural firing and excitation

It inhibits neural firing and reduces excitation

It regulates blood glucose levels

It controls sleep-wake cycles

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19. What is the function of the myelin sheath in a neuron?

To produce neurotransmitters

To speed up the transmission of action potentials

To absorb neurotransmitters from the synapse

To generate electrical charge in the dendrites

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AP Psychology Biological Bases of Behavior Quiz

1. Which brain imaging technique measures brain activity by detecting changes in blood oxygen levels?

2.

What first name or nickname would you like us to use?

2. The ____ is the space between the axon terminal of one neuron and the dendrite of the next.

3. Which brain structure connects the cerebral cortex to the brainstem and is involved in arousal?

4. The ____ is the thin outer layer of the cerebral cortex where most neural processing occurs.

5. Which neurotransmitter system is most directly involved in reward and motivation?

6. The ____ is responsible for processing emotions and is particularly active in fear and anxiety responses.

7. Which of the following accurately describes the all-or-none principle in neural transmission?

8. The ____ is the region of the brain that regulates hunger, thirst, and body temperature.

9. Which endocrine gland is often called the 'master gland' because it regulates other glands?

10. The resting membrane potential of a neuron is approximately ____.

11. Which neurotransmitter is primarily responsible for mood regulation and is often targeted by antidepressant medications?

12. The ____ lobe is primarily responsible for executive function, decision-making, and impulse control.

13. Which of the following neurotransmitters is involved in motor control and is depleted in Parkinson's disease?

14. The ____ nervous system prepares the body for 'fight or flight' responses during stress.

15. Which brain structure is most critical for the formation of new long-term memories?

16. The corpus callosum is primarily responsible for ____.

17. Which of the following best describes the role of GABA in the nervous system?

18. The thalamus functions primarily as a(n) ____ center, relaying sensory information to the cortex.

19. What is the function of the myelin sheath in a neuron?

20. The ____ is the part of the brain responsible for coordinating balance and motor control.