The physician orders Ancef 500 mg IV for a urinary tract infection.
After reconstitution, the medication is available as 330 mg/mL. How many milliliters will the nurse administer?
The Correct Answer is ["1.52"]
Step 1 is: The physician ordered 500 mg and the available concentration is 330 mg/mL. To find the volume to administer, divide the ordered dose by the available concentration: 500 mg ÷ 330 mg/mL.
Step 2 is: 500 ÷ 330 = 1.5151.
Step 3 is: Round to the nearest hundredth as is common for medication administration: 1.52 mL.
Final answer: The nurse will administer 1.52 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Carbohydrates are the body's primary source of energy. They are broken down into glucose, which cells use for fuel to perform various functions, including muscle contraction, nerve impulse transmission, and maintaining body temperature.
Choice B rationale
Electrolytes, such as sodium, potassium, and chloride, are minerals that carry an electrical charge and are crucial for fluid balance, nerve function, and muscle contraction. While some foods containing carbohydrates may also contain electrolytes, providing energy is not their primary function. Normal ranges for serum sodium are 135-145 mEq/L, potassium is 3.5-5.0 mEq/L, and chloride is 95-105 mEq/L.
Choice C rationale
Minerals are inorganic substances that the body needs for various functions, including building strong bones, transmitting nerve impulses, and maintaining fluid balance. Examples include calcium, iron, and zinc. While essential, they are not primarily known for providing direct energy. Normal ranges for serum calcium are 8.5-10.5 mg/dL, iron varies by gender (males: 65-175 mcg/dL, females: 50-170 mcg/dL), and zinc is 70-120 mcg/dL.
Choice D rationale
Vitamins are organic compounds that the body needs in small amounts for various metabolic processes. They do not directly provide energy but help the body utilize energy from carbohydrates, fats, and proteins. Examples include vitamin C, vitamin D, and B vitamins. Normal ranges vary widely depending on the specific vitamin.
Correct Answer is C
Explanation
Choice A rationale
Minimizing the use of seasoning can decrease palatability and potentially reduce the client's food intake, negatively impacting their nutritional status. Flavorful foods can stimulate appetite and encourage better nutrient consumption.
Choice B rationale
Limiting finger foods may restrict autonomy and reduce intake for clients who have difficulty using utensils. Finger foods can provide independence and increase caloric intake for some individuals in long-term care.
Choice C rationale
Serving small, frequent meals can improve nutritional intake by preventing early satiety and providing a consistent supply of nutrients throughout the day. This approach is often beneficial for individuals with decreased appetite or difficulty tolerating large meals.
Choice D rationale
Offering three large meals daily might be overwhelming for some clients in long-term care who may have reduced appetites, slower digestion, or other medical conditions that make it difficult to consume large quantities of food at once.
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