A nurse is preparing to administer amoxicillin 350 mg PO. The available amoxicillin is 250 mg/5 mL. How many mL should the nurse administer? (Round to the nearest whole number.)
5 mL
6 mL
7 mL
8 mL
The Correct Answer is C
Step 1 is to calculate the amount of amoxicillin in milliliters. Step 2: We know that 250 mg of amoxicillin is in 5 mL.
Step 3: We need to find out how many mL contain 350 mg of amoxicillin. Step 4: Set up a proportion: 250 mg/5 mL = 350 mg/x mL.
Step 5: Cross-multiply and solve for x: 250x = 1750. Step 6: Divide both sides by 250: x = 7 mL2.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","E"]
Explanation
Choice A rationale
Raised toilet seats are not a safety risk for older adults. In fact, they can help prevent falls in the bathroom by reducing the distance an individual has to move to sit down and stand up from the toilet.
Choice B rationale
Throw rugs are a safety risk for older adults. They can easily cause tripping and falling, especially if the edges are not secured.
Choice C rationale
A water heater temperature of 54.4°C (130° F) is a safety risk. Water at this temperature can cause burns, especially in older adults who may have decreased sensitivity to heat.
Choice D rationale
Bathtubs with rails are not a safety risk for older adults. Rails can provide support and stability when getting in and out of the bathtub, reducing the risk of falls.
Choice E rationale
Electric cords behind furniture are a safety risk. They can be a tripping hazard and can also pose a fire risk if they are damaged.
Correct Answer is B
Explanation
Choice A rationale
Turning the torso at the waist when reaching for objects can actually increase the risk of back injury. It’s important to keep the back straight and bend at the knees when lifting or reaching for objects.
Choice B rationale
Using ice packs intermittently for 48 hours is a common recommendation for acute lower back pain. Ice can help reduce inflammation and numb the area, providing relief. It’s important to use the ice packs intermittently, not continuously, to avoid frostbite.
Choice C rationale
Using 10 lb arm weights to start strengthening the back muscles is not recommended for someone with acute lower back pain. Heavy lifting can exacerbate the pain and potentially cause further injury. It’s better to start with gentle, low-impact exercises and gradually increase intensity as the back heals.
Choice D rationale
Staying in bed except for toileting during the first 24 hours is not typically recommended for acute lower back pain. While rest is important, prolonged bed rest can actually lead to muscle stiffness and increased pain. It’s generally recommended to stay as active as possible without exacerbating the pain.
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