A nurse is preparing to administer 4,000 units of heparin subcutaneously to a client who has deep-vein thrombosis.
Available is heparin 10,000 units/mL.
How many mL of heparin should the nurse administer? (Round the answer to the nearest) tenth.
Use a leading zero if it applies.
Do not use a trailing zero.) mL.
The Correct Answer is ["0.4"]
To calculate the amount of heparin to administer, use the formula:
mL of heparin=units available units ordered×1mL available
Substituting the values given in the question, we get:
mL of heparin=100004000×11=0.4
Therefore, the nurse should administer 0.4 mL of heparin.
Normal ranges for heparin therapy vary depending on the condition being treated and the laboratory method used to measure APTT.
A general range is 60 to 80 seconds or 1.5 to 2.5 times the control value.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
The nurse who caused the error is responsible for completing an incident report. An incident report is a tool for documenting any event that deviates from the standard of care or causes harm to a client, staff member, or visitor. The purpose of an incident report is to improve quality and safety, not to assign blame or punish anyone. The nurse who caused the error should fill out the report as soon as possible after the event, providing factual and objective information.
A. The quality improvement committee is not directly involved in the incident and does not complete the report. The committee may review the report later to identify trends and areas for improvement.
B. The charge nurse is not responsible for completing the report, although they may assist or supervise the nurse who caused the error.The charge nurse may also notify the provider and other relevant staff members about the incident.
C.The nurse who caused the error may be involved in providing details and information about the incident, but the nurse who discovers the error is the one responsible for completing the incident report to ensure that all relevant information is accurately documented.
D. It is crucial for the nurse who discovers the error to complete the incident report to ensure that all relevant details are accurately documented. This allows for a thorough investigation and implementation of corrective actions to prevent future errors.
Correct Answer is C
Explanation
Taking a high-ceiling diuretic predisposes this client to developing digoxin toxicity because it can cause hypokalemia (low blood potassium level), which increases the sensitivity of the heart to digoxin. Digoxin is a medicine that is used to treat heart failure or arrhythmias (abnormal heart rhythms) by increasing cardiac contractility and controlling the heart rate. Digoxin toxicity happens when there is too much digoxin in the body and it becomes harmful, causing symptoms such as nausea, vomiting, headache, confusion, vision disturbance, and irregular heartbeat.
Choice A is wrong because taking an HMG CoA reductase inhibitor (also called a statin) does not increase the risk of digoxin toxicity.
Statins are lipid-lowering medications used to prevent coronary heart disease by blocking an enzyme involved in cholesterol synthesis.
Statins do not affect the blood potassium level or the sensitivity of the heart to digoxin.
Choice B is wrong because having a 10-year history of COPD (chronic obstructive pulmonary disease) does not increase the risk of digoxin toxicity. COPD is a lung condition that causes breathing difficulties and chronic inflammation.
COPD does not affect the blood potassium level or the sensitivity of the heart to digoxin.
Choice D is wrong because having a prolapsed mitral valve does not increase the risk of digoxin toxicity.
A prolapsed mitral valve is a condition where the valve between the left atrium and left ventricle of the heart does not close properly, allowing some blood to leak back into the atrium.
A prolapsed mitral valve does not affect the blood potassium level or the sensitivity of the heart to digoxin.
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