Calculate the heart rate based on this rhythm strip.

The Correct Answer is ["60"]
A common method is the "6-second rule," where you count the number of QRS complexes in a
6-second strip and multiply by 10 to get the beats per minute (bpm).
6x 10= 60 bpm
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Propranolol is not contraindicated in kidney failure, but caution is needed.
B. Propranolol is a nonselective beta-blocker that blocks both β1 (heart) and β2 (lungs) receptors. In asthma, β2 blockade can cause bronchoconstriction, leading to wheezing and respiratory distress.
C. Propranolol is used to treat hypertension.
D. Propranolol is commonly used for tachycardia, especially in anxiety or hyperthyroidism.
Correct Answer is ["A","B","C"]
Explanation
A. “I am limiting my intake of fast foods.”: Reducing fast food consumption lowers intake of unhealthy fats and cholesterol, reducing CAD risk.
B. “I need to monitor my weight.”: Maintaining a healthy weight reduces the risk of hypertension, diabetes, and high cholesterol.
C. “I must stop smoking.”: Smoking contributes to atherosclerosis and significantly increases CAD risk.
D. “I will stop consuming alcohol.”: Moderate alcohol consumption (e.g., one drink per day for women, two for men) may have cardiovascular benefits. Complete avoidance is not necessary unless advised by a provider.
E. “I should limit my exercise.”: Regular exercise is recommended for reducing CAD risk, not limiting it.
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