To ensure that the most appropriate drug is being used to treat a pathogen, which would need to be done first?

Using combination therapy

Obtaining sensitivity testing

Checking client allergies

Evaluating the bactericidal effects

Answer and Explanation

The Correct Answer is B

A. Using combination therapy may be beneficial in some cases but is not the first step in ensuring the most appropriate drug is chosen for a specific pathogen.

B. Obtaining sensitivity testing is essential to determine the specific antibiotic to which the pathogen is susceptible, ensuring effective treatment.

C. Checking client allergies is important to prevent adverse reactions but does not directly address whether the chosen drug is appropriate for the pathogen.

D. Evaluating the bactericidal effects is part of assessing the treatment's effectiveness, but it should follow sensitivity testing to determine the correct medication.

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Correct Answer is A

Explanation

A. Spontaneous bleeding after taking an anticoagulant is a secondary action that occurs due to the anticoagulant's effect on blood clotting, which is an undesired effect when it leads to excessive bleeding.

B. Dizziness after starting an antihypertensive is a common secondary action related to the lowering of blood pressure, which can lead to hypotension and resultant dizziness.

C. Drowsiness after taking an antihistamine is a well-known secondary action, especially with first-generation antihistamines, which can cause sedation as a side effect.

D. Diarrhea after taking an antibiotic is a secondary action that can occur due to disruption of the normal gut flora, leading to gastrointestinal upset. All these examples illustrate secondary effects of medications.

A. Administer vitamin K per provider's orders. B. Increase the dose of warfarin and monitor INR more frequently per provider's orders. C. Discontinue warfarin and administer a dose of heparin per provider's orders. D. Continue warfarin and monitor for any symptoms of bleeding per provider's orders.

Correct Answer is A

Explanation

A. An INR of 5.0 indicates a significantly increased risk of bleeding, and administering vitamin K is the appropriate antidote for reversing the effects of warfarin. This is a critical intervention to restore coagulation.

B. Increasing the dose of warfarin is inappropriate in this scenario because the INR is already elevated; it would further increase bleeding risk.

C. While heparin can be used for anticoagulation, it is not appropriate to administer it while the INR is dangerously high without reversing the warfarin first.

D. Continuing warfarin is unsafe at this INR level due to the high risk of bleeding; monitoring for symptoms without intervention is not adequate care.

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To ensure that the most appropriate drug is being used to treat a pathogen, which would need to be done first?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is A

Explanation

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