| Latest Version | 2025/2026 | Correct &
Verified
What is the most appropriate first action when you suspect a tension pneumothorax in a trauma
patient?
✔✔ Perform needle decompression in the affected side’s second intercostal space, midclavicular
line
What does a capnography waveform with a sharp drop to zero typically indicate?
✔✔ Disconnection or apnea
Which drug is used to reverse the effects of opioids in a patient with respiratory depression?
✔✔ Naloxone
What is the preferred site for an intraosseous needle in an adult during cardiac arrest?
✔✔ Proximal humerus
What does a widened QRS complex on a monitor suggest about cardiac conduction?
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, ✔✔ Delayed ventricular depolarization
What is the primary purpose of IV fluid boluses in hypovolemic shock?
✔✔ Restore circulating volume and improve perfusion
What size needle is typically used for intramuscular epinephrine administration in anaphylaxis?
✔✔ 0.3 mg via 1-inch needle
What is the maximum single adult dose of dextrose 50% (D50) for hypoglycemia treatment?
✔✔ 25 grams
What electrolyte abnormality is commonly associated with renal failure and can cause cardiac
dysrhythmias?
✔✔ Hyperkalemia
What are the classic ECG findings in a patient with hyperkalemia?
✔✔ Peaked T waves, widened QRS, flattened P waves
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