Question 1:

Your EtCO2 detector displays a value of 56 mm Hg. What does this mean?

AThe patient is getting too much oxygen
BThe patient is not ventilating effectively
CThe patient is breathing too quickly
DThe patient is not getting enough oxygen

Question 2:

Your patient stands up abruptly at dinner and grasps his throat. When asked if he can speak, he is completely silent. He looks wide-eyed and panicked, gesturing wildly at his throat. You would classify his airway as:

ACompletely obstructed
BPartially obstructed with good air exchange
CPartially obstructed with poor air exchange
DPatent

Question 3:

You are performing cardiopulmonary resuscitation on a 17-year-old when the paramedics arrive and intubate the patient. How should CPR be performed on this patient now?

A3 compressions : 1 breath
B15 compressions : 2 breaths
CContinuous compressions with 1 breath every 6 seconds
D30 compressions : 2 breaths

Question

05-11-2026
Medicine

Answered

Question 1:

Your EtCO2 detector displays a value of 56 mm Hg. What does this mean?

AThe patient is getting too much oxygen
BThe patient is not ventilating effectively
CThe patient is breathing too quickly
DThe patient is not getting enough oxygen

Question 2:

Your patient stands up abruptly at dinner and grasps his throat. When asked if he can speak, he is completely silent. He looks wide-eyed and panicked, gesturing wildly at his throat. You would classify his airway as:

ACompletely obstructed
BPartially obstructed with good air exchange
CPartially obstructed with poor air exchange
DPatent

Question 3:

You are performing cardiopulmonary resuscitation on a 17-year-old when the paramedics arrive and intubate the patient. How should CPR be performed on this patient now?

A3 compressions : 1 breath
B15 compressions : 2 breaths
CContinuous compressions with 1 breath every 6 seconds
D30 compressions : 2 breaths

Verified Answer :

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GinnyAnswer GinnyAnswer · Answer 1 · 2026-11-05T09:57:05-05:00

Final answer:

An EtCO2 value of 56 mm Hg indicates ineffective ventilation, while a patient unable to speak and panicking suggests a completely obstructed airway. For CPR on an intubated teen, continue with the 30:2 compression-to-breath ratio. Immediate interventions are crucial in both cases for the patient's survival.

Explanation:

Understanding EtCO2 Levels

The value displayed on your EtCO2 detector is a measure of the partial pressure of carbon dioxide (EtCO2) in the patient's exhaled air. A reading of 56 mm Hg indicates that the patient is not ventilating effectively. Normal EtCO2 values typically range from 35 to 45 mm Hg, so a value of 56 mm Hg suggests that the patient may be experiencing hypoventilation or respiratory failure, which can lead to increased carbon dioxide levels in the blood.

Airway Assessment in Emergencies

In the second scenario where the patient grasps his throat and cannot speak, this indicates a serious situation. Given the signs of panic and inability to communicate, you would classify his airway as completely obstructed. In such cases, immediate intervention is required, typically through the Heimlich maneuver or other forms of abdominal thrusts.

CPR Techniques for a Patient

When performing cardiopulmonary resuscitation (CPR) on a 17-year-old who has been intubated, you should continue with 30 compressions: 2 breaths ratio. This is the recommended ratio for high-quality CPR, ensuring that the brain and vital organs receive oxygenated blood despite the airway support provided by the intubation.

Learn more about CPR and Emergency Care here:

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