A nurse is preparing to administer a scheduled dose of warfarin to a client. Which of the following laboratory tests should the nurse review prior to administration?

Total iron-binding capacity

WBC

PTT

Answer and Explanation

The Correct Answer is A

PT measures the time it takes for blood to clot, and it is particularly relevant for clients taking warfarin because warfarin works by inhibiting the synthesis of certain clotting factors, including factors II, VII, IX, and X, which are involved in the PT pathway. Monitoring PT levels helps ensure that the client is receiving an appropriate dose of warfarin to prevent clot formation without causing excessive bleeding.
B. Total iron-binding capacity (TIBC) is a test used to assess iron levels in the blood and is unrelated to warfarin therapy.
C. WBC (White Blood Cell count) is a test used to assess the number of white blood cells in the blood and is unrelated to warfarin therapy.
D. PTT (Partial Thromboplastin Time) is a test used to evaluate the intrinsic and common pathways of the coagulation cascade. It is used in the monitoring of heparin anticoagulant therapy. It is not typically used to monitor warfarin therapy

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Correct Answer is B

Explanation

Calcium can interfere with the absorption of levothyroxine when taken concurrently, potentially reducing its effectiveness. Therefore, it is recommended to separate the administration of these two medications by at least 4 hours to avoid this interaction.

A,C,D-No effect on absorption of levothyroxine

A. “If I experience black stools, I should notify my provider." B. "l should avoid taking antacids while on this medication." C. "l should take my medications on an empty stomach." D. "l should rinse my mouth after taking this medication." E. "l should take this medication with orange juice. "

Correct Answer is {"A":{"answers":"B"},"B":{"answers":"A"},"C":{"answers":"B"},"D":{"answers":"A"},"E":{"answers":"A"}}

Explanation

Foods with vitamin C improves iron absorption , black stools are expected on iron supplements and do not need reporting, Iron stains teeth and rinsing the mouth after intake is necessary. Gastric acid enhance iron absorption and antacids should be avoided. Taking iron on an empty stomach increases risk of GI side effects

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A nurse is preparing to administer a scheduled dose of warfarin to a client. Which of the following laboratory tests should the nurse review prior to administration?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is taking a medication history from a client who has a new prescription for levothyroxine. The nurse should instruct the client to wait 4 hr after taking levothyroxine before taking which of the following supplements?

Correct Answer is B

Explanation

Correct Answer is {"A":{"answers":"B"},"B":{"answers":"A"},"C":{"answers":"B"},"D":{"answers":"A"},"E":{"answers":"A"}}

Explanation

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A nurse is assessing a client who has septic shock and is receiving dopamine by continuous IV infusion. Which of the following findings indicates that the nurse should increase the rate of infusion?

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