Unlike heparin, the anticoagulant activity of warfarin can take several
to reach its maximum effect.

Answer and Explanation

The Correct Answer is {"dropdown-group-1":"B"}

A. Minutes: This is too short a timeframe for warfarin's effect. It takes longer for the body's existing clotting factors to be depleted.

B. Days: This medication works by inhibiting the production of vitamin K-dependent clotting factors in the liver. As existing clotting factors are used up and new ones aren't produced as efficiently, it takes time for the anticoagulant effect to become significant.

C. Weeks: While the full effect might take some time (around 3-5 days), several weeks is an overestimation for most patients.

D. Hours: A few hours might show some initial effect, but it's not enough time for a substantial anticoagulant effect. It usually takes at least a day or two.

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Correct Answer is ["7"]

Explanation

Dosage (mL) = Desired dose (mg) / Concentration (mg/mL)

Dosage (mL) = 350 mg / (250 mg/5 mL)

Dosage (mL) = 7 mL (rounded to nearest whole number)

Therefore, the nurse should administer 7 mL of amoxicillin suspension.

A. Ferrous sulfate B. Prednisone C. Vitamin K D. Heparin

Correct Answer is C

Explanation

A. Ferrous sulfate: This is an iron supplement and wouldn't be used to reverse warfarin's anticoagulant effect.

B. Prednisone: This is a steroid medication used for various inflammatory conditions and wouldn't be used to address excessive blood thinning.

C. Vitamin K: Vitamin K is the antidote for warfarin poisoning or excessive anticoagulation. By providing vitamin K, the body can resume producing clotting factors, counteracting warfarin's effect.

D. Heparin: This is another blood thinner medication. While it can be used in specific situations, it wouldn't be the first choice to reverse warfarin's effect because it adds another layer of anticoagulation, which could be risky.

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Unlike heparin, the anticoagulant activity of warfarin can take several to reach its maximum effect.

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer amoxicillin 350 mg PO. Available is amoxicillin 250 mg/5 mL. How many mL should the nurse administer? (Round to the nearest whole number.)

Correct Answer is ["7"]

Explanation

A nurse is caring for a client who has been taking warfarin and has a prothrombin time of 30 seconds and an INR of 7. Which of the following medications should the nurse anticipate the provider to prescribe?

Correct Answer is C

Explanation

When asked if there are any regulatory controls on herbal or dietary supplements, the nurse responds to the client by informing him that herbal and dietary supplements are regulated by the:

The patient has been started on warfarin (Coumadin) for deep vein thrombosis. The patient asks when the medication will break up the clots. The nurse's best response would be:

The patient requests information on alternative treatments for her arthritis. The nurse provides the patient with information on which of the following supplements?

A nurse is collecting data from a client who is receiving clopidogrel following the placement of a cardiac stent. Which of the following findings should the nurse identify as an adverse effect of this medication?

A nurse is preparing to administer potassium chloride 30 mEq PO daily. The amount available is potassium chloride 20 mEq/15mL. How many mL should the nurse administer? (Round the answer to the nearest tenth/whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A client is taking aspirin (ASA) and asks the nurse how long the anticoagulant effect of a single dose of aspirin can last. The nurse replies:

A patient has been taking heparin for three days and has developed hematuria. The most appropriate action for the nurse is to:

A nurse is collecting data from a client who has a prosthetic aortic valve and takes warfarin daily at bedtime. Which of the following data is the priority finding for the nurse to report to the provider?

Unlike heparin, the anticoagulant activity of warfarin can take several
to reach its maximum effect.