HESI A2
HESI A2 Math Practice Exam Questions
Question 1 of 5
How many centimeters are in 6 meters?
Correct Answer: A
Rationale: To convert meters to centimeters, we use the conversion factor: 1 meter = 100 centimeters. Therefore, to convert 6 meters to centimeters, we multiply 6 by 100, which equals 600 cm. So, the correct answer is A: 600 cm. Choice B (60 cm) is incorrect as it incorrectly multiplies by 10 instead of 100. Choice C (1000 cm) is incorrect as it multiplies by 1000 instead of 100. Choice D (500 cm) is incorrect as it is a random number not derived from the correct conversion factor.
Question 2 of 5
In the time required to serve 43 customers, a server breaks 2 glasses and slips 5 times. The next day, the same server breaks 10 glasses. How many customers did she serve?
Correct Answer: C
Rationale: To find the number of customers served, we add the incidents that delayed the server's service time: 43 customers + 2 broken glasses + 5 slips = 50 incidents Given that the server breaks 10 glasses the next day, we double the incidents: 50 incidents x 2 = 100 incidents Each incident corresponds to serving a customer, so the server served 100 customers in total. Thus, the correct answer is C (86 customers). Choices A, B, and D are incorrect because they do not account for the additional incidents affecting the service time.
Question 3 of 5
The physician ordered 10 units of regular insulin, and 200 U/mL are on hand. How many milliliters will you give?
Correct Answer: D
Rationale: The correct answer is D: .05 mL. To calculate the amount of insulin to administer, use the formula: Amount of insulin (mL) = Required units / Concentration of insulin (U/mL) Plugging in the values: Amount of insulin (mL) = 10 units / 200 U/mL = 0.05 mL Therefore, you would administer 0.05 mL of insulin. Choice A (.45 mL), B (.75 mL), and C (.25 mL) are incorrect as they do not align with the calculated value of 0.05 mL based on the given concentration and the required units of insulin.
Question 4 of 5
What is the result of adding 9.43 and 11.3?
Correct Answer: A
Rationale: To add 9.43 and 11.3, align the decimal points and add the numbers as follows: 9.43 +11.30 ------- 20.73 Therefore, the correct answer is A: 20.73. The other choices are incorrect as they do not match the sum obtained through the addition process. B: 21.3 does not account for the decimal place in 9.43. C: 22 is the sum of the whole numbers without considering the decimal values. D: 19.5 is the sum if the decimal values are not accounted for.
Question 5 of 5
If a dozen roses cost $36, how much will four roses cost?
Correct Answer: B
Rationale: To find the cost of 4 roses, we divide the total cost of 12 roses by 12 to get the cost of 1 rose ($36 / 12 = $3). Then, we multiply the cost of 1 rose by 4 to find the cost of 4 roses ($3 * 4 = $12). Therefore, the correct answer is B. Choice A ($9) is incorrect as it assumes a linear relationship between the number of roses and the cost, which is not the case. Choice C ($10) and Choice D ($15) are also incorrect as they do not follow the correct calculation method.
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