NORCET 5 mains
Medical Surgical Nursing
Easy

An emergency room nurse is assessing a 22-year-old male who has been using opioids. What symptoms indicate that the client has overdose?

Appeared in: NORCET 5 mains

Explanation

  • Constricted pupils (miosis) and low blood pressure (hypotension) are hallmark signs of an opioid overdose.
  • Opioids are central nervous system depressants, which slow down bodily functions, including those controlled by the autonomic nervous system.
  • The classic triad of opioid overdose includes respiratory depression, central nervous system depression (coma), and constricted pupils.
  • Hypotension occurs due to vasodilation and decreased cardiac output caused by the opioid's effect on the cardiovascular system.

Why Other Options Were Wrong

  • Option B: Tachycardia (a fast heart rate) is the opposite of what is expected in an opioid overdose; bradycardia (a slow heart rate) is the typical sign. While vomiting can occur, it is not a specific or reliable indicator of overdose.
  • Option C: Pupillary dilation (mydriasis) and hypertensive crisis (severely high blood pressure) are classic signs of opioid withdrawal, not overdose. They represent a state of hyper-arousal as the body reacts to the absence of the drug.
  • Option D: Tremors are a common sign of opioid withdrawal. Ataxia (impaired coordination) can be seen with general CNS depression from various substances but is not as specific to opioid overdose as constricted pupils and respiratory depression.

Related Visual

Visual explanation — Related Visual
  • Visual 1: Infographic - A side-by-side comparison chart showing the signs and symptoms of opioid overdose (constricted pupils, slow breathing, hypotension) versus opioid withdrawal (dilated pupils, anxiety, tachycardia).
  • Visual 2: Diagram - An illustration of the human eye showing a normal pupil, a constricted (miotic) pupil seen in opioid overdose, and a dilated (mydriatic) pupil seen in withdrawal.
Clinical Relevance
  • Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Recognition of opioid overdose symptoms in acute care settings.
  • Rapid identification of the opioid overdose toxidrome (constricted pupils, respiratory depression, CNS depression) is a critical nursing skill that enables life-saving interventions.
  • The priority nursing action for a suspected opioid overdose is to support breathing and administer naloxone as ordered. Naloxone's short half-life means the nurse must monitor for the return of respiratory depression.
  • What if? If the patient presented with dilated pupils, a rapid heart rate, and agitation, the nurse should suspect opioid withdrawal or stimulant overdose, not opioid overdose. In this case, naloxone would be ineffective and supportive care for withdrawal symptoms would be the priority.
How to Approach the Question
  • First, read the question carefully to identify the core issue: recognizing the symptoms of an opioid overdose.
  • Recall the pathophysiology of opioids. They are central nervous system depressants, meaning they slow down the body's functions.
  • Evaluate each option based on this principle. Look for signs of depression or slowing down.
  • Option A (constricted pupils, hypotension) reflects a depressed state. Constricted pupils are a classic, specific sign.
  • Options B, C, and D include symptoms of hyperactivity (tachycardia, hypertensive crisis, tremors) or are non-specific. These are more consistent with withdrawal or other substances.
  • Select the option that contains the most accurate and specific signs of opioid-induced CNS depression.
Concept Tested & Keywords
  • Concept Tested: Recognition of opioid overdose symptoms
  • Stem keywords: emergency room, opioids, overdose, symptoms
  • Lead-in keywords: what symptoms indicate
  • Clinical cues: 22-year-old male
  • Clinical cues: has been using opioids

Question ID

QSaDUxz_e8Eikd7tgrRch_

Practise the full NORCET 5 mains

Attempt every question from this paper in a timed mock, then review the full solution for each one.

More Substance Use Disorders Questions

More NORCET 5 mains Questions