NUR 251 Nursing Mathematics Quiz 2020_Graded A

1. Questions

1. 1.ID: 14033339516

Amoxicillin 500 mg PO every 8 hours is prescribed for a client with an

infection.The drug is available in a suspension of 125 mg/5ml. How many

ml should the nurse administer with each dose?

▪ 20 Correct

▪ 4

▪ 100

500 : X :: 125 : 5 125X = 2,500 X = 20 ml

Awarded 1.0 points out of 1.0 possible points.

2. 2.ID: 14033339256

Oxytocin (Pitocin) 4 milliunits/min is prescribed for a client with an

ineffective contraction pattern. To administer the prescribed dosage, the

nurse adds 20 unitsof oxytocin to 1,000 ml of Ringer's Lactate. The

infusion pump should be set to deliver how many ml/hour? (Enter

numeric value only.)

Correct Responses

12

4 milliunits/min x 1 unit/1000 milliunits x 1000 ml/20 units x 60

min/hr =240,000/20,000 = 12 ml/hr

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Awarded 0.0 points out of 1.0 possible points.

1. 3.ID: 14033339220

The healthcare provider prescribes the adjustment of the IV hourly rate

based on the nasogastric tube (NGT) output q4h for a client who had

abdominal surgery yesterday. From 1200 to 1600, the NGT output was

240 ml, and the IV of D5W 0.45% NS was infused at a rate of 100

ml/hour. At 1600 the nurse should regulatethe IV to deliver how many

ml/hour to replace this fluid loss? (Enter numeric value only.)

Correct Responses

160

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To calculate the hourly rate of IV fluid replacement based on the last 4

hours of NGT output, the nurse should calculate an average hourly output

by dividing 240ml by 4 hours = 60 ml NGT output q1h. The nurse should

then add the 60 ml lossper hour to the present infusion rate of 100 ml/hr,

totaling an infusion rate of 160ml/hour for the next 4 hours.

Awarded 0.0 points out of 1.0 possible points.

2. 4.ID: 14033339288

A client with a Trichomonas vaginalis infection receives a prescription for

metronidazole (Flagyl) 1 gram. The medication is available in 500 mg

tablets.How many tablets should the nurse administer? (Enter numeric

value only.)

Correct Responses

2

1 gram = 1000 mg 1 tablet :: 500 mg = X tablets :: 1000 mg X =

1000/500 = 2tablets

Awarded 0.0 points out of 1.0 possible points.

3. 5.ID: 14033339584

A client is receiving an IV solution of 2 grams of medication diluted in

100 ml ofnormal saline over a one hour time period. How many mg of

medication is the client receiving per minute? (Enter numeric value only.

If rounding is required, round to the nearest whole number.)

Correct Responses

 3 / 4

33

2 grams = 2000 mg 1 hour = 60 minutes 2000 mg/60 minutes

= 33.333mg/minute, rounded to 33 mg/minute

Awarded 0.0 points out of 1.0 possible points.

4. 6.ID: 14033339504

The healthcare provider prescribes propofol (Diprivan) at 8

mcg/kg/minute for aclient during conscious sedation. The drug is

dispensed as 100 mg/50 ml 0.9% normal saline. The client's weight is

198 pounds. The nurse should program the

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