HESI A2 Math Practice Exam

Questions 63

HESI A2

HESI A2 Test Bank

HESI A2 Math Practice Exam Questions

Question 1 of 5

A nurse working at a medical clinic earns $17.81 per hour. The nurse works three 8-hour shifts and one 12-hour shift every week and is paid weekly. Weekly deductions include federal tax $102.80, state tax $24.58, federal insurance $18.13, and family health insurance $52.15. What is the nurse's take-home pay each week?

Correct Answer: A

Rationale: To calculate the nurse's take-home pay, we need to first calculate the total earnings for the week: Total earnings = (Hourly rate x total hours) = ($17.81 x (3 x 8 + 1 x 12)) = $17.81 x 36 = $641.16. Then deduct the total deductions for the week: Total deductions = Federal tax + State tax + Federal insurance + Family health insurance = $102.80 + $24.58 + $18.13 + $52.15 = $197.66. Finally, calculate the nurse's take-home pay: Take-home pay = Total earnings - Total deductions = $641.16 - $197.66 = $443.50. Therefore, the correct answer is A: $443.50, as it accurately reflects the nurse's take-home pay after all deductions. Option B, C, and D are incorrect as they do not reflect the accurate calculations based on the given information.

Question 2 of 5

What is the boiling point of water in degrees Fahrenheit?

Correct Answer: C

Rationale: Failed to generate a rationale after 5 retries.

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

How many more yellow balls must be added to the basket to make the yellow balls constitute 65% of the total number of balls?

Correct Answer: B

Rationale: To make yellow balls 65% of total, they need to be 65 out of every 100 balls. Let the number of yellow balls be Y. Total balls = Y + X. So, Y/(Y+X) = 65/100. Solving, Y = 13X. To make yellow balls 65%, the ratio of yellow to total should be 13:20. So, 13/(13+20) = 13/33 = 39.4%, which means 60.6% are non-yellow balls. To increase yellow balls to 65%, we need to make non-yellow balls 35%. Therefore, 35% of total balls should be non-yellow. This means 35% of total balls should be non-yellow. Hence, the correct answer is 50 (option B). Other choices are incorrect as they do not align with the logic of maintaining the 65% yellow ball ratio.

Question 5 of 5

The physician ordered 20 mg of Tylenol per kg of body weight; on hand is 80 mg per tablet. The child weighs 12 kg. How many tablets will you give?

Correct Answer: B

Rationale: To calculate the number of tablets needed, first, find the total Tylenol dosage needed for the child: 20 mg/kg * 12 kg = 240 mg. Then, divide the total dosage needed by the dosage per tablet: 240 mg / 80 mg = 3 tablets. Therefore, the correct answer is B (3 tablets). Choice A is incorrect because 1 tablet is not sufficient to meet the required dosage. Choices C and D are incorrect as they do not match the calculated amount needed based on the child's weight and the dosage per tablet.

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