FREE NEX Mathematics Questions and Answers

Question 1

A medication is supplied as 120 mg in 4 mL. A patient requires a dose of 150 mg. How many mL should the nurse administer?

Accepted Answer

5 mL

Answer

4.5 mL

Answer

5.5 mL

Answer

6 mL

Question 2

A patient's fluid intake was 1,200 mL, and their fluid output was 900 mL. What is the ratio of intake to output in its simplest form?

Accepted Answer

4:3

Answer

3:4

Answer

12:9

Answer

1.33:1

Question 3

A patient's weight decreased from 200 pounds to 175 pounds after a new diet and exercise plan. What was the percentage decrease in the patient's weight?

Accepted Answer

12.5%

Answer

10%

Answer

15%

Answer

25%

Question 4

A nursing unit has 80 staff members. If 15% of the staff are on vacation, how many staff members are working?

Accepted Answer

68

Answer

12

Answer

65

Answer

70

Question 5

A solution of disinfectant requires 2 parts concentrate to 7 parts water. If you need to make a total of 450 mL of solution, how much concentrate do you need?

Accepted Answer

100 mL

Answer

50 mL

Answer

150 mL

Answer

350 mL

Question 6

A patient is prescribed 2 liters of IV fluid to be administered over 24 hours. After 8 hours, 800 mL has been infused. What percentage of the total fluid has been administered?

Accepted Answer

40%

Answer

20%

Answer

33.3%

Answer

50%