AEMCA Trivia 3 — Questions and Answers
Question 1: Which medication is considered the first-line reversal agent for benzodiazepine overdose?
- Naloxone
- Flumazenil (Correct answer)
- Physostigmine
- N-acetylcysteine
Correct answer: Flumazenil
Flumazenil competitively antagonizes GABA-A receptors to reverse benzodiazepine sedation, though it must be used cautiously due to seizure risk.
Question 2: What is the correct compression-to-ventilation ratio for two-rescuer pediatric CPR?
- 30:2
- 15:2 (Correct answer)
- 15:1
- 30:1
Correct answer: 15:2
Two-rescuer pediatric CPR uses a 15:2 compression-to-ventilation ratio to provide more frequent ventilations for children.
Question 3: A patient presents with pinpoint pupils, bradycardia, and excessive secretions. Which toxidrome does this represent?
- Sympathomimetic
- Anticholinergic
- Cholinergic (Correct answer)
- Sedative-hypnotic
Correct answer: Cholinergic
The cholinergic toxidrome (SLUDGE/DUMBELS) features miosis, bradycardia, and hypersecretion caused by organophosphate or nerve agent poisoning.
Question 4: Which bone is most commonly fractured in falls onto an outstretched hand (FOOSH) in elderly patients?
- Ulna
- Radius (Correct answer)
- Scaphoid
- Humerus
Correct answer: Radius
Colles' fracture of the distal radius is the most common wrist fracture in elderly patients from FOOSH mechanisms.
Question 5: At what blood glucose level is hypoglycemia generally defined in adults?
- < 100 mg/dL
- < 80 mg/dL
- < 70 mg/dL (Correct answer)
- < 60 mg/dL
Correct answer: < 70 mg/dL
Hypoglycemia is defined as blood glucose below 70 mg/dL, at which point most patients begin to experience symptoms.
Question 6: Which structure in the airway is the narrowest point in the adult tracheobroncial tree?
- Glottis (Correct answer)
- Subglottic space
- Carina
- Right mainstem bronchus
Correct answer: Glottis
In adults, the glottic opening is the narrowest point of the airway, making it the primary site of foreign body lodgment.
Question 7: The Rule of Nines assigns what percentage of total body surface area to the entire head and neck in an adult?
- 4.5%
- 9% (Correct answer)
- 18%
- 13.5%
Correct answer: 9%
The head and neck together account for 9% of total body surface area in adults using the Rule of Nines.
AEMCA Trivia 3
Which medication is considered the first-line reversal agent for benzodiazepine overdose?