Advanced Life Support (ALSO) Online Session Final Exam *Q&A* (100% Correct) 2025 |VERIFIED|
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ALSO
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ALSO
Advanced Life Support (ALSO) Online
Session Final Exam *Q&A* (100%
Correct) 2025 |VERIFIED|
A stable patient’s ECG reveals a narrow QRS complex with a regular rhythm, indicating a narrow-complex
supraventricular tachyarrhythmia. The initial intervention should be:
Vagal maneuvers
...
Advanced Life Support (ALSO) Online
Session Final Exam *Q&A* (100%
Correct) 2025 |VERIFIED|
A stable patient’s ECG reveals a narrow QRS complex with a regular rhythm, indicating a narrow-complex
supraventricular tachyarrhythmia. The initial intervention should be:
Vagal maneuvers
Explanation: For patients who are hemodynamically stable with this type of arrhythmia, the first-line
approach involves attempting vagal maneuvers. If these are unsuccessful, adenosine can be
administered.
When interpreting a capnogram, which segment reflects the onset of exhalation?
A–B
Explanation: The A–B segment represents the respiratory baseline, marking the start of exhalation.
For a patient with unstable bradyarrhythmia that does not respond to atropine or transcutaneous
pacing, what should be the next step?
Administration of an epinephrine infusion.
Explanation: If symptomatic bradycardia is unresponsive to atropine and transcutaneous pacing, an
epinephrine or dopamine infusion is recommended as the next course of action.
A suspected stroke patient arrives at the emergency department at 7:10 p.m. By what time should a
neurologic assessment and brain imaging be completed?
7:30 p.m.
Explanation: According to the guidelines of the National Institute of Neurological Disorders and Stroke, a
neurologic evaluation and imaging (CT or MRI) must be performed within 20 minutes of arrival.
For a stable patient with ventricular tachycardia, a pulse, and a corrected QT interval exceeding 0.46
seconds, what is the recommended treatment?
Synchronized cardioversion
1
, Explanation: In patients with stable ventricular tachycardia, the presence of a pulse and prolonged QT
interval indicates the need for synchronized cardioversion.
In a resuscitation team debrief, what statement correctly describes high-quality CPR when an advanced
airway is in place?
“We delivered 1 ventilation every 6 seconds and chest compressions at a rate of 100-120 per
minute.”
Explanation: When an advanced airway is in use, continuous compressions with one breath delivered
every 6 seconds exemplifies high-quality CPR.
Which range of end-tidal CO₂ (ETCO₂) values confirms the adequacy of ventilations during capnography?
35 to 45 mmHg
Explanation: An ETCO₂ value within this range indicates effective ventilation.
Which ECG feature characterizes atrial fibrillation?
Absence of distinct P waves and irregularly irregular QRS complexes.
Explanation: These ECG characteristics are definitive for atrial fibrillation.
What findings indicate the need to adjust ventilator settings for a patient receiving mechanical
ventilation following cardiac arrest?
1. ETCO₂ 50 mmHg
2. PaCO₂ 35 mmHg
3. SaO₂ 92%
Explanation: Mechanical ventilation is adjusted to maintain ETCO₂ between 35-40 mmHg, PaCO₂ at 40-45
mmHg, and SaO₂ above 94%.
At what point on the capnogram is the ETCO₂ level measured?
D
Explanation: ETCO₂ is measured at the end of exhalation, represented by point D.
2
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