FREE CARN Neurobiology of Addiction Questions and Answers

Question 1

A patient with a history of chronic alcohol use disorder reports that they no longer feel the same pleasure from activities they once enjoyed, a condition known as anhedonia.
As a CARN, you understand this is primarily due to neuroadaptive changes in which key neurotransmitter system?

Accepted Answer

Dopamine

Answer

Serotonin

Answer

GABA

Answer

Glutamate

Question 2

A nurse is caring for a client in acute opioid withdrawal who is experiencing intense anxiety, dysphoria, and irritability. These symptoms are primarily driven by the activation of stress systems in which brain region?

Accepted Answer

Extended Amygdala

Answer

Prefrontal Cortex

Answer

Basal Ganglia

Answer

Hippocampus

Question 3

Which of the following best describes the process of neuroadaptation in the context of a substance use disorder?

Accepted Answer

The brain's attempt to restore homeostasis by making long-term structural and functional changes in response to chronic substance use.

Answer

The initial euphoric feeling experienced when a substance is first used.

Answer

A rapid return to baseline brain function immediately after a substance is metabolized.

Answer

A complete and permanent reversal of all substance-induced brain changes upon achieving abstinence.

Question 4

A patient with severe cocaine use disorder states, "I know it's destroying my life, and I want to stop, but the craving is just too powerful to control." This conflict between the desire to quit and the inability to inhibit the impulse to use is characteristic of dysfunction in which brain area?

Accepted Answer

Prefrontal Cortex (PFC)

Answer

Cerebellum

Answer

Ventral Tegmental Area (VTA)

Answer

Nucleus Accumbens

Question 5

The mesolimbic pathway, a critical circuit in the neurobiology of addiction, involves the projection of dopaminergic neurons from the:

Accepted Answer

Ventral Tegmental Area (VTA) to the Nucleus Accumbens

Answer

Amygdala to the Hippocampus

Answer

Prefrontal Cortex to the Basal Ganglia

Answer

Substantia Nigra to the Dorsal Striatum

Question 6

A patient who has been sober from alcohol for six months is exposed to the sight and smell of their favorite bar, triggering intense cravings. This phenomenon of cue-induced craving is strongly mediated by learned associations within which two brain structures?

Accepted Answer

Nucleus Accumbens and Amygdala

Answer

Cerebellum and Pons

Answer

Thalamus and Hypothalamus

Answer

Medulla and Reticular Formation

A patient with a history of chronic alcohol use disorder reports that they no longer feel the same pleasure from activities they once enjoyed, a condition known as anhedonia.As a CARN, you understand this is primarily due to neuroadaptive changes in which key neurotransmitter system?

A patient with a history of chronic alcohol use disorder reports that they no longer feel the same pleasure from activities they once enjoyed, a condition known as anhedonia.
As a CARN, you understand this is primarily due to neuroadaptive changes in which key neurotransmitter system?