(2026/2027) 200 Questions And Verified Answers
With Rationales, 100% Guaranteed Pass
1. When suctioning the airway, suction should never be applied for longer
than:
A) 5 seconds
B) 10 seconds
C) 15 seconds
D) 20 seconds
Answer B: 10 seconds
Rationale: Suction should be limited to 10 seconds to prevent hypoxia and vagal
stimulation. Preoxygenate before and after suctioning .
2. What is another term for a hard/rigid suction catheter?
A) French catheter
B) Yankauer catheter
C) Whistle-tip catheter
D) Endotracheal tube
Answer B: Yankauer catheter
Rationale: A Yankauer is a rigid, curved suction catheter used for oropharyngeal
suctioning .
,3. What is applied to a nasopharyngeal airway to assist with insertion?
A) Alcohol-based lubricant
B) Water-based lubricant
C) Silicone spray
D) Nothing—it is inserted dry
Answer B: Water-based lubricant
Rationale: Use water-based lubricant on the NP airway to reduce trauma; do not
use petroleum-based lubricants .
4. What is another term for a soft suction catheter?
A) Yankauer catheter
B) French catheter
C) Magill forceps
D) Oropharyngeal catheter
Answer B: French catheter
Rationale: A soft suction catheter is also called a French catheter or DeLee suction
catheter, used for nasal and deep suctioning .
5. Why is epiglottitis a medical emergency?
A) It causes severe bleeding
B) Swelling of the epiglottis can cause complete airway obstruction
,C) It leads to cardiac arrest
D) It is highly contagious
Answer B: Swelling of the epiglottis can cause complete airway obstruction
Rationale: Epiglottitis is a true medical emergency because rapid swelling can
cause sudden complete airway obstruction. ALS intervention is required .
6. What are signs of inadequate breathing?
A) Tachypnea only
B) Bradypnea only
C) Tachypnea, bradypnea, poor rhythm, poor quality, and poor depth
D) Normal rhythm and depth
Answer C: Tachypnea, bradypnea, poor rhythm, poor quality, and poor depth
Rationale: Signs of inadequate breathing include abnormal rate (too fast or too
slow), irregular rhythm, and shallow depth .
7. What is the action threshold for SpO2 requiring intervention?
A) Less than 95%
B) Less than 94%
C) Less than 90%
D) Less than 88%
Answer B: Less than 94%
Rationale: Oxygen is indicated when SpO2 is below 94% (per NREMT standards) .
, 8. What is a normal reading for EtCO2?
A) 20-30 mmHg
B) 35-45 mmHg
C) 45-55 mmHg
D) 50-60 mmHg
Answer B: 35-45 mmHg
Rationale: Normal end-tidal CO2 is 35-45 mmHg. Values outside this range
indicate respiratory or metabolic issues .
9. What is the dose for DuoNeb (albuterol/ipratropium)?
A) 1.25 mg albuterol and 0.25 mg atrovent
B) 2.5 mg albuterol and 0.5 mg atrovent
C) 5.0 mg albuterol and 1.0 mg atrovent
D) 0.5 mg albuterol and 0.5 mg atrovent
Answer B: 2.5 mg albuterol and 0.5 mg atrovent
Rationale: The standard adult DuoNeb contains albuterol 2.5 mg and ipratropium
0.5 mg for nebulized administration .
10. What are the signs and symptoms of congestive heart failure (CHF)?
A) Hyperthermia and bradypnea
B) Mild to severe confusion, cyanosis, pink sputum, tachypnea, tachycardia,
crackles, SOB, pale/clammy skin, JVD, edema