Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
Complete the metric equivalent of 4 ounces or 1 cup = __ mL.
(Enter only the number, no label)
This question is an excerpt from Nurse Dive's nursing test bank - Nursing Fundamentals Exam 3. Take the full exam now
Full Explanation
The correct answer is choice: 473.
To convert 4 ounces to milliliters (mL), the following steps can be taken:
Understand the Conversion Factor: 1 fluid ounce (oz) is approximately 29.57 mL. Therefore, 4 oz can be converted to mL using the following calculation: 4 × 29.57 = 118.28
4oz × 29.57mL/oz = 118.28mL.
Convert Cups to Ounces: 1 cup is equal to 8 fluid ounces.
Therefore, 1 cup is 8 × 29.57 = 236.56
8oz × 29.57mL/oz = 236.56mL.
So, 1 cup is equal to 236.56 mL. The correct answer is 473 mL (2 cups)
Similar Questions
397 mg = __ g. Convert the measurement.
(Do not round. Enter only the number, no label) .
Full Explanation
The correct answer is choice: 0.397.
To convert 397 mg to grams, the following calculation can be done: Understand the Conversion Factor: 1 gram (g) is equal to 1000 milligrams (mg) Therefore, to convert mg to g, divide the number of milligrams by 1000. 397 ÷ 1000 = 0.397. 397mg÷1000=0.397g Therefore,
397 mg is equal to 0.397 grams. .
The healthcare provider prescribes diazepam 10 mg, IM, now.
DIAZEPAM, Injection, USP, For IV. or I.M. use, Rx only, Each mL contains 5 mg diazepam.
Calculate the number of milliliters (mL) for the correct administration dose using the label below = ____ mL
(Round to the nearest tenth (first decimal, 0.0) Enter only the number, no label) .
Full Explanation
Diazepam is prescribed in a 10 mg dose, and the concentration of diazepam in the injection is 5 mg per mL. By dividing the prescribed dose (10 mg) by the concentration of the drug in the injection (5 mg/mL), the result is 2 mL. This is the correct administration dose.
To accurately take a client's blood pressure, which action by the nurse is most important?
A. Obtain the blood pressure first thing in the morning.
Obtaining the blood pressure first thing in the morning is not the most critical factor in accurately measuring blood pressure. Blood pressure can vary throughout the day due to various factors, and it is essential to use the appropriate technique and equipment at any time of the day.
B. Use the appropriate size cuff for the client.
Using the appropriate size cuff for the client is crucial in obtaining an accurate blood pressure reading. If the cuff is too small, it can lead to falsely elevated blood pressure readings, while a cuff that is too large can result in falsely lowered readings. This is because cuff size affects the pressure applied to the artery during measurement.
C. Make sure the client is relaxed and comfortable prior to obtaining the blood pressure.
Ensuring that the client is relaxed and comfortable prior to obtaining the blood pressure is important but not the most critical factor. Anxiety or discomfort can temporarily elevate blood pressure, so it's essential to create a calm and comfortable environment for the client. However, using the correct cuff size is still more critical for accurate measurements.
D. Remove the clothing from arms before obtaining the blood pressure.
Removing clothing from the arms before obtaining blood pressure is not the most important action. While it is generally recommended to expose the client's arm for proper cuff placement, it is secondary to using the appropriate cuff size. The cuff should be placed directly on the skin or over a thin layer of clothing, but this step should not take precedence over cuff size selection.
Full Explanation
Choice A rationale:
Obtaining the blood pressure first thing in the morning is not the most critical factor in accurately measuring blood pressure. Blood pressure can vary throughout the day due to various factors, and it is essential to use the appropriate technique and equipment at any time of the day.
Choice B rationale:
Using the appropriate size cuff for the client is crucial in obtaining an accurate blood pressure reading. If the cuff is too small, it can lead to falsely elevated blood pressure readings, while a cuff that is too large can result in falsely lowered readings. This is because cuff size affects the pressure applied to the artery during measurement.
Choice C rationale:
Ensuring that the client is relaxed and comfortable prior to obtaining the blood pressure is important but not the most critical factor. Anxiety or discomfort can temporarily elevate blood pressure, so it's essential to create a calm and comfortable environment for the client. However, using the correct cuff size is still more critical for accurate measurements.
Choice D rationale:
Removing clothing from the arms before obtaining blood pressure is not the most important action. While it is generally recommended to expose the client's arm for proper cuff placement, it is secondary to using the appropriate cuff size. The cuff should be placed directly on the skin or over a thin layer of clothing, but this step should not take precedence over cuff size selection.