The nurse is caring for a client status/post a Myocardial Infarction who is questioning procedures utilized for treatment. Which of the following statements correctly explains a Coronary Artery Bypass Grafting (CABG)?
A balloon will be inflated within the artery to open the blocked artery.
A medication will be given to dissolve the blood clot.
A dye will be injected to outline the vessels of the heart.
A healthy artery or vein will go around the blocked portion of the coronary artery.
The Correct Answer is D
A. A balloon inflation within the artery describes percutaneous coronary intervention (PCI) or angioplasty, not CABG.
B. A medication to dissolve a blood clot refers to thrombolytic therapy, which is not part of a CABG procedure.
C. Injecting dye to outline heart vessels describes a coronary angiogram, which is a diagnostic procedure but not a treatment.
D. CABG involves using a healthy artery or vein to bypass the blocked portion of a coronary artery, restoring proper blood flow to the heart muscle.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Delivering a continuous flow of air pressure to keep the airway open is correct. CPAP (Continuous Positive Airway Pressure) prevents airway collapse during sleep, allowing for uninterrupted breathing and oxygenation.
B. Reducing daytime sleepiness is a benefit of CPAP use, but it is not its primary purpose—it is a secondary effect of improved oxygenation and sleep continuity.
C. Improving sleep quality also occurs with CPAP therapy, but this is an outcome rather than the primary purpose.
D. Promoting weight loss is not the function of CPAP therapy, though weight loss can help reduce OSA severity.
Correct Answer is ["1636.4"]
Explanation
- Convert pounds to kilograms:
- Weight in kilograms = 90 pounds / 2.2 pounds/kg = 40.9090... kg. For practical purposes, we can round to 40.91kg.
- Calculate the heparin dose:
- The ordered bolus dose is 40 units/kg.
- Heparin dose = 40.91 kg 40 units/kg = 1636.4 units.
- Round to the nearest tenth:
- The heparin dose is 1636.4 units.
= 1636.4 units
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