The nurse is to administer heparin to a client who weighs 90 pounds. Heparin is ordered as 10,000 units/100mL. The nurse needs to administer a bolus of 40units/kg. How many units would the nurse administer? (Round to the nearest tenth)
The Correct Answer is ["1636.4"]
- 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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Checking blood pressure is important but does not confirm a myocardial infarction. Hypotension or hypertension may be present, but they are not definitive diagnostic tools.
B. Auscultating heart tones can help assess for murmurs or extra sounds, but it cannot diagnose a myocardial infarction.
C. Radiating pain to the left arm is a classic symptom, but not all clients experience it, and its absence does not rule out an MI.
D. Performing a 12-lead ECG is the most important diagnostic tool for identifying myocardial infarction. It provides real-time evidence of ischemic changes, such as ST-segment elevation or depression, confirming or ruling out an MI.
Correct Answer is A
Explanation
A. Atherosclerosis is correct. It is the primary cause of myocardial infarction (MI) due to the narrowing and eventual blockage of coronary arteries by plaque buildup, leading to reduced oxygen supply to the heart muscle.
B. Obesity is a risk factor for MI but is not the direct cause. It contributes to conditions like hypertension, diabetes, and atherosclerosis, which increase MI risk.
C. Hypertension increases the risk of MI by damaging blood vessels over time, but it is not the most common direct cause.
D. Diabetes Mellitus type 2 is a risk factor because it contributes to vascular damage and atherosclerosis, but it is not the primary cause of an MI.
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