What is the result of subtracting 10.012 from 0.120?

Questions 38

HESI A2

HESI A2 Test Bank

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Question 1 of 5

What is the result of subtracting 10.012 from 0.120?

Correct Answer: B

Rationale: In pharmacology, precision is crucial as even small errors can have significant consequences. This math question assesses a student's ability to perform accurate calculations, a skill essential in medication dosage calculations. The correct answer is B) 9.892. To arrive at this answer, we subtract 10.012 from 0.120, which results in 9.892. This demonstrates the importance of careful attention to decimal placement and the concept of borrowing in subtraction. Option A) 10 is incorrect because subtracting a larger number from a smaller number would not yield a positive integer as the result. Option C) 10.122 is incorrect as it is the sum rather than the difference of the two numbers. Option D) 9.012 is incorrect because it does not account for the change in decimal places when subtracting. Educationally, this question reinforces the need for accuracy and attention to detail in pharmaceutical calculations. It highlights the consequences of errors in medication dosage and emphasizes the importance of mastering basic math skills in pharmacology practice. Students must understand the principles behind decimal subtraction to ensure patient safety.

Question 2 of 5

Calculate the product of (99)(0.56) =

Correct Answer: C

Rationale: In pharmacology, understanding basic math calculations is crucial for accurate medication dosing. In this question, to find the product of (99)(0.56), we multiply 99 by 0.56. The correct answer is C) 55.44. The correct answer is derived by multiplying 99 by 0.56, resulting in 55.44. This is because when two numbers are multiplied, the product represents the total when one number is added to itself the other number of times. Option A) 99.30 is incorrect because it seems to mistakenly add the two numbers together. Option B) 99.56 is also incorrect as it appears to just present 0.56 as the result. Option D) 199.54 is incorrect because it seems to add the two numbers together rather than multiplying them. Educationally, this question emphasizes the importance of understanding basic arithmetic operations in pharmacology calculations. Nurses and healthcare professionals must be able to perform accurate calculations to administer medications safely and effectively. Mastery of these fundamental math skills is essential for providing quality patient care.

Question 3 of 5

Calculate: (88)(7.08) =

Correct Answer: D

Rationale: In pharmacology, being able to accurately calculate dosages is crucial to ensure patient safety and effective treatment. In this case, the correct answer is D) 623.04. To calculate this, you simply multiply 88 by 7.08. Multiplying these two numbers together gives you 623.04. This is the correct answer because it is the result of the specific multiplication operation provided in the question. Now, let's analyze why the other options are incorrect: A) 862.5: This is incorrect because it is likely a miscalculation where the numbers were added instead of multiplied. B) 88.040: This is incorrect as the decimal point is placed incorrectly, resulting in an inaccurate calculation. C) 64.252: This option is incorrect as it seems to be a random number, not resulting from the multiplication operation given in the question. Understanding basic math operations is essential in pharmacology to calculate drug dosages accurately. Practice questions like this help develop these skills, ensuring healthcare professionals can administer medications safely and effectively.

Question 4 of 5

What is the product of 375 and 2.3?

Correct Answer: A

Rationale: To find the product of 375 and 2.3, multiply them: 375 2.3 = 862.5. When multiplying by 2.3, it is important to shift the decimal point appropriately after performing the calculation. Choice A, 862.5, is the correct answer. Choice B, 750, is incorrect because it is the result of multiplying 375 by 2. Choice C, 225.75, is incorrect as it appears to be the result of multiplying the numbers in the wrong order. Choice D, 1125, is incorrect as it seems to be the result of multiplying 375 by 3 instead of 2.3.

Question 5 of 5

How many ounces are in 2 quarts?

Correct Answer: D

Rationale: In pharmacology, having a solid understanding of units of measurement is crucial for accurate dosing and administration of medications. In this case, the question asks how many ounces are in 2 quarts. The correct answer is D) 64 ounces. To convert quarts to ounces, you need to know that 1 quart is equal to 32 ounces. Therefore, 2 quarts would be 2 x 32 = 64 ounces. This conversion is essential for pharmacology calculations, where precise measurements are necessary to ensure patient safety. Option A) 8 ounces is incorrect as it does not reflect the conversion of quarts to ounces accurately. Option B) 16 ounces is also incorrect as it is half of the correct amount. Option C) 32 ounces is incorrect as it represents only 1 quart, not 2 quarts as asked in the question. Understanding these basic conversion principles is fundamental for healthcare professionals to make accurate calculations when preparing and administering medications in clinical settings. It is essential to have a strong grasp of these foundational math concepts to ensure patient well-being and safety in pharmacology practice.

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