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

Beclomethasone is an inhaled corticosteroid used as controller therapy is asthma to prevent bronchial hyperresponsiveness and airway remodeling. Rinsing the mouth prevents oral thrush and throat irritation that may occur due to continuous deposition of the steroid in the mouth.
A. Beclomethasone has no significant interaction with caffeine
C. Beclomethasone does not cause changes in pulse
D. Being an inhaled medication, it has no relation with meals

A. The client has a history of myocardial infarction. B. The client smokes one pack of cigarettes a day C. The client's age is 62. D. The client has recently traveled to Europe.

Correct Answer is C

Explanation

Rationale- Live attenuated influenza vaccine is a weakened form of the influenza virus that promotes production of antibodies in the host to fight infections in case of exposure to influenza virus. The virus is contraindicated in individuals with weak immune system such as those above 50 years old due to risk of causing severe infection.

A-History of MI is not an immunocompromised state

B-History of cigarette smoking predisposes to influenza infection but is not a contraindication to LAV D-History of travel to Europe could expose have exposed the client to influenza but that is not a

contraindication to LAV

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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 providing teaching to a client who has asthma and a new prescription for inhaled beclomethasone. Which of the following instructions should the nurse provide?

Correct Answer is B

Explanation

Correct Answer is C

Explanation

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