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ACLS PREP OPIOID COMPREHENSIVE REVIEW Q & A 2024.
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ACLS PREP OPIOID COMPREHENSIVE REVIEW Q & A 2024.ACLS PREP OPIOID COMPREHENSIVE REVIEW Q & A 2024.
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ACLS OPIOIDComprehensive
Final Exam Review
Q&A
2024
, 1. Which of the following mechanisms is responsible for the adverse
effects of opioids on the respiratory system?
A. Stimulation of mu receptors in the brainstem
B. Inhibition of the release of acetylcholine
C. Activation of kappa receptors in the lungs
D. Blockade of beta-adrenergic receptors in the diaphragm
Answer: A. Stimulation of mu receptors in the brainstem
Rationale: Opioids exert their respiratory depressant effects primarily
through stimulation of mu receptors in the brainstem, leading to decreased
respiratory drive.
2. What is the antidote for opioid overdose that blocks the effects of
opioids at the receptor level?
A. Naloxone
B. Flumazenil
C. Atropine
D. Epinephrine
Answer: A. Naloxone
Rationale: Naloxone is a competitive antagonist at opioid receptors and is
the antidote of choice for opioid overdose.
3. Which of the following opioids is the most likely to cause a prolonged
QT interval and torsades de pointes?
A. Fentanyl
B. Methadone
C. Morphine
D. Hydrocodone
Answer: B. Methadone
Rationale: Methadone has been associated with prolonged QT intervals
and torsades de pointes due to its effects on cardiac ion channels.
4. Which of the following symptoms is characteristic of opioid overdose?
A. Tachycardia
B. Hypertension
C. Pinpoint pupils
D. Agitation
Answer: C. Pinpoint pupils
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