A nurse is caring for a client who is prescribed warfarin therapy for an artificial heart valve. Which of the following laboratory values should the nurse monitor for a therapeutic effect of warfarin?

Activated partial thromboplastin time (APTT)

Bleeding time

Prothrombin time (PT)

Hemoglobin (Hgb)

Answer and Explanation

The Correct Answer is C

warfarin inhibits vitamin K epoxide reductase interfering with the synthesis of vitamin K dependent clotting factors (II, VII, IX, and X). This prolongs the prothrombin time, expressed in the form of INR international normalized ratio. Monitoring of INR helps to ensure that the prescribed dosages are within the therapeutic levels without increasing the risk of bleeding. The target INR range is between 2.5 and 3.5.
A. Used to monitor heparin therapy

B, D- not used for monitoring

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Correct Answer is B

Explanation

Sim’s position places the lower gastrointestinal tract in the anatomical position allowing for the client's comfort as well as retention of the suppository once inserted. is the most appropriate position for the insertion of a rectal suppository. The client lies on the left lateral side with the lower arm positioned behind the body, and the upper thigh flexed.

A. “Warm the ointment by placing the tube in glass of hot tap water” B. "Discard the first bead of ointment before each application." C. "Instruct your child to squeeze his eyes shut following application." D. "Cleanse the eye with a wet cotton ball in a direction towards the inner canthus before applying the ointment."

Correct Answer is B

Explanation

the first bead of ointment may be contaminated with bacteria from the tip of the tube or the surrounding skin. Discarding this initial bead ensures that the subsequent application is sterile and reduces the risk of introducing infection into the eye.

A. Warming the ointment by placing the tube in hot tap water alters the consistency of the ointment and can potentially cause burns to the child's delicate eye tissue.

C. Instructing the child to squeeze his eyes shut following application is not necessary. The eyes should be closed gently

D. Cleansing the eye should be done from the inner corner moving outward

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A nurse is caring for a client who is prescribed warfarin therapy for an artificial heart valve. Which of the following laboratory values should the nurse monitor for a therapeutic effect of warfarin?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer a rectal suppository to a client. In which of the following positions should the nurse place the client for insertion of the suppository?

Correct Answer is B

Explanation

A clinic nurse is giving instructions to a mother on the proper technique of applying ophthalmic ointment to her preschool-age child who has conjunctivitis. Which of the following should the nurse include in the instructions?

Correct Answer is B

Explanation

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