Author Question: A client is treated in the emergency department for an overdose of cocaine. The nurse monitors the ... (Read 88 times)

fox

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A client is treated in the emergency department for an overdose of cocaine. The nurse monitors the client based on the knowledge that cocaine affects which item?
 
  1. Cholinergic synapses
  2. Adrenergic synapses
  3. Dopamine receptors
  4. Glutamate

Question 2

A client newly diagnosed with depression is given a prescription for an antidepressant. The nurse understands that the medication prescribed affects which neurotransmitter that is associated with anxiety, impulsive behavior, and suicidal ideation?
 
  1. Glutamate
  2. Serotonin
  3. Dopamine
  4. Acetylcholine



mariahkathleeen

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Answer to Question 1

Correct Answer: 3
Rationale 1: Cholinergic synapses utilize acetylcholine, and play a role in Parkinson and Alzheimer diseases.
Rationale 2: Adrenergic synapses utilize norepinephrine to heighten alertness. Adrenergic neurons likely play a role in mood disorders.
Rationale 3: Cocaine and amphetamines produce their stimulatory actions by affecting dopamine receptors.
Rationale 4: Glutamate is always excitatory and can be neurotoxic at high levels.
Global Rationale: Cocaine and amphetamines produce their stimulatory actions by affecting dopamine receptors. Cholinergic synapses utilize acetylcholine, and play a role in Parkinson and Alzheimer diseases. Adrenergic synapses utilize norepinephrine to heighten alertness. Adrenergic neurons likely play a role in mood disorders. Glutamate is always excitatory and can be neurotoxic at high levels.

Answer to Question 2

Correct Answer: 2
Rationale 1: Glutamate is an excitatory neurotransmitter associated with memory.
Rationale 2: Low serotonin levels in the CNS are associated with anxiety and impulsive behavior, including suicidal ideation. Serotonergic receptors play an important role in the mechanism of action of antidepressant drugs.
Rationale 3: Dopamine is associated with Parkinson disease, psychoses, motivation, and pleasure.
Rationale 4: Acetylcholine is associated with myasthenia gravis and Alzheimer disease.
Global Rationale: Low serotonin levels in the CNS are associated with anxiety and impulsive behavior, including suicidal ideation. Serotonergic receptors play an important role in the mechanism of action of antidepressant drugs. Glutamate is an excitatory neurotransmitter associated with memory. Dopamine is associated with Parkinson disease, psychoses, motivation, and pleasure. Acetylcholine is associated with myasthenia gravis and Alzheimer disease.



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