A nurse is caring for a client who has heart failure and a new prescription for furosemide. Which of the following laboratory values should the nurse review before administering furosemide?
Potassium
Phosphate
Carbon dioxide
Bicarbonate
The Correct Answer is A
Furosemide is a loop diuretic that blocks water reabsorption in the loop of Henle promoting diuresis. It also causes potassium loss in urine leading to hypokalemia. Checking potassium levels before administration of furosemide prevents worsening already existing hypokalemia.
B, C, D- furosemide does not affect the blood levels of phosphate, Carbon dioxide and bicarbonate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Liver cirrhosis interferes with the synthesis of vitamin K dependent coagulation factors leading to a prolonged prothrombin time (PT). Administration of vitamin K improves clotting function by replenishing the deficient clotting factors.
A. Heparin is an anticoagulant medication that works by inhibiting blood clotting. It can further increase the risk of bleeding.
C. Warfarin is an oral anticoagulant medication commonly used to prevent blood clots and like heparin, increases risk of bleeding.
D. Ferrous sulfate is an iron supplement used to treat iron deficiency anemia but not effect on coagulation.
Correct Answer is C
Explanation
Cimetidine inhibits the cytochrome enzymes leading to increased blood concentration of other drugs like theophylline hence increased risk of toxicity. The dosage of the drugs should be lowered when one is on cimetidine.
A-Cimetidine should be taken with meals or at bedtime for more effective absorption and optimal therapeutic effect.
B. There is no specific duration mentioned for the treatment of duodenal ulcer with cimetidine.
D. Taking cimetidine with an antacid is not recommended as they decrease the absorption of cimetidine.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.