The prescription states: “Give drug D 0.5 mg/kg of body weight PO three times a day.” The client’s weight is 90 kg. Drug D is available from the pharmacy as 25 mg per 5 mL. How many mL will the client receive per 1 dose? (Use preceding zeros if necessary. Do not use trailing zeros. Round to the nearest tenth if necessary.)
The Correct Answer is ["9.0"]
Calculation and Answer
Step 1: Determine the total dose required per administration.
- Dose required = 0.5 mg/kg × 90 kg
- Dose required = 45 mg
Step 2: Determine the concentration of the drug.
- Concentration = 25 mg per 5 mL
Step 3: Calculate the volume needed to administer the required dose.
- Volume (mL) = Dose required ÷ Concentration
- Volume (mL) = 45 mg ÷ (25 mg ÷ 5 mL)
- Volume (mL) = 45 mg ÷ 5 mg/mL
- Volume (mL) = 9 mL
The client will receive 9.0 mL per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason:
Notifying the surgeon of the blood pressure is important, but it is not the first action the nurse should take. The primary concern is to manage the patient’s high blood pressure to prevent any complications during surgery. Once the blood pressure is under control, the nurse can then notify the surgeon if necessary.
Choice B Reason:
Documenting the blood pressure on the pre-op checklist is a necessary step, but it is not the immediate priority. The nurse’s first action should be to address the elevated blood pressure to ensure the patient’s safety. Documentation can be done after the immediate concern is managed.
Choice C Reason:
Having the client relax and take deep breaths can help lower blood pressure temporarily, but it is not a sufficient intervention for a blood pressure reading as high as 174/88. The nurse should take a more direct approach to manage the hypertension, such as administering the prescribed antihypertensive medication.
Choice D Reason:
Administering the antihypertensive medication is the most appropriate first action. The patient is NPO (nothing by mouth) except for medications, indicating that the medication should still be given. This action directly addresses the elevated blood pressure and helps to stabilize the patient before surgery.
Correct Answer is ["B","C","D","E"]
Explanation
Choice A reason: Albuterol is a bronchodilator used to treat conditions like asthma and chronic obstructive pulmonary disease (COPD). It is not typically used in the treatment of tuberculosis (TB). TB treatment focuses on antibiotics that target the Mycobacterium tuberculosis bacteria.
Choice B reason: Isoniazid is one of the primary medications used in the treatment of tuberculosis. It works by inhibiting the synthesis of mycolic acids, which are essential components of the bacterial cell wall. Isoniazid is usually part of the initial treatment regimen for TB and is taken for several months to ensure the complete eradication of the bacteria.
Choice C reason: Pyrazinamide is another key medication in the treatment of tuberculosis. It is particularly effective during the initial phase of treatment and helps to reduce the duration of therapy. Pyrazinamide works by disrupting the bacterial cell membrane metabolism and transport functions.
Choice D reason: Tiotropium is a long-acting bronchodilator used to manage COPD. It is not used in the treatment of tuberculosis. The focus of TB treatment is on antibiotics that specifically target the TB bacteria.
Choice E reason: Rifampin is a critical antibiotic in the treatment of tuberculosis. It works by inhibiting the RNA synthesis of the bacteria, effectively killing the TB bacteria. Rifampin is usually taken in combination with other TB medications to prevent the development of drug-resistant strains of the bacteria.
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