What is 0.5 liter in ounces?

Correct Answer: A

Rationale: To convert liters to ounces, you need to multiply the liter value by 33.814. Therefore, to convert 0.5 liters to ounces, you would calculate 0.5 x 33.814 = 16.91 ounces. This conversion factor is commonly used in cooking and liquid measurements. Choice B, C, and D are incorrect as they do not reflect the accurate conversion from liters to ounces.

Correct Answer: A

Rationale: To find the product of 0.5 and 200, you multiply the two numbers, which equals 100. The correct answer is A. Choice B, 50, is the result of multiplying 0.5 by 100 instead of 200. Choice C, 150, is the result of adding 0.5 and 200 instead of multiplying them. Choice D, 200, is the second number in the multiplication operation and not the correct product.

Correct Answer: B

Rationale: The correct answer is B: 4 quarts. There are 4 quarts in 1 gallon. This conversion is based on the fact that 1 gallon is equivalent to 4 quarts. Choice A is incorrect as 2 quarts are half of a gallon, not a whole gallon. Choice C is incorrect as 3 quarts is less than a gallon. Choice D is incorrect as it represents only one quart, whereas the question asks for the quantity in a gallon.

Correct Answer: B

Rationale: The correct answer is B: 30 ml. 1 ounce is equivalent to 30 milliliters. This conversion is a common one in many contexts involving liquid measurements. Choice A (20 ml), Choice C (40 ml), and Choice D (50 ml) are incorrect conversions and do not represent the accurate conversion between ounces and milliliters.

Correct Answer: B

Rationale: In nursing, understanding metric conversions is crucial for accurate medication administration and patient care. In this case, the correct answer is B) 0.035 ounces. To convert grams to ounces, we need to know that 1 gram is approximately equal to 0.035 ounces. This relationship is a fundamental conversion factor in medication dosing calculations and fluid volume adjustments in healthcare settings. Option A) 0.015 ounces is incorrect because it is not the correct conversion factor for grams to ounces. Option C) 0.045 ounces and Option D) 0.055 ounces are also incorrect as they do not align with the accurate conversion rate of 1 gram to 0.035 ounces. Educationally, mastering metric conversions enhances a nurse's ability to perform dosage calculations accurately, preventing medication errors that could harm patients. It also promotes fluency in communicating patient information within the healthcare team, ensuring standardized and precise documentation. Nurses must be proficient in metric conversions to provide safe and effective care to their patients.