A nurse is instructing a group of healthcare providers about the importance of early defibrillation in CPR. What is the rationale for early defibrillation?
"Early defibrillation increases the chances of restoring a pulse before starting chest compressions."
"Defibrillation is the only intervention that can stop all abnormal heart rhythms."
"Defibrillation is used to relieve pain and discomfort in individuals experiencing cardiac arrest."
"Early defibrillation helps to reset the heart's electrical activity and can restore a normal heart rhythm."
The Correct Answer is D
A) Incorrect. Defibrillation is used to stop abnormal heart rhythms, but it is not intended to restore a pulse directly. Effective CPR and defibrillation work together to improve the chances of restoring circulation.
B) Incorrect. While defibrillation can stop certain abnormal heart rhythms, it does not address all cardiac arrest situations.
C) Incorrect. Defibrillation is not used to relieve pain or discomfort. Its primary purpose is to restore a normal heart rhythm.
D) Correct. Early defibrillation is crucial because it helps to reset the heart's electrical activity, allowing the heart to resume an effective rhythm. The sooner defibrillation is performed, the better the chances of restoring a normal heart rhythm and improving the chances of survival.
Questions
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Correct. The recommended compression-to-ventilation ratio for adult CPR is 30:2. This means 30 chest compressions followed by 2 rescue breaths.
B) Incorrect. Continuous compressions without providing ventilations can lead to inadequate oxygenation, which is essential for the survival of the individual.
C) Incorrect. The ratio of 15:2 is not the current guideline for adult CPR. The correct ratio is 30:2.
D) Incorrect. The compression-to-ventilation ratio in adult CPR is not based on the individual's weight but follows the standard 30:2 guideline.
Correct Answer is B
Explanation
A) Incorrect. Compressing the chest to a depth of 1 inch (2.5 cm) is too shallow for effective adult CPR. Deeper compressions are required.
B) Correct. The recommended compression depth for adult CPR is 2 inches (5 cm). This depth allows for sufficient blood flow to vital organs and is consistent with current CPR guidelines.
C) Incorrect. Compressing the chest to a depth of 3 inches (7.5 cm) is deeper than necessary for adult CPR. Excessive compression depth may cause harm.
D) Incorrect. Compressing the chest to a depth of 4 inches (10 cm) is much deeper than the recommended depth for adult CPR. Excessive depth can lead to rib fractures and other injuries.
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