Question

1. the nurse hangs a tube feeding that contains 480 ml. if the infusion rate is 60 ml per hour, how long will it take to infuse 480 ml?
2. a patient presents to the emergency room with a 10 cm laceration to the right arm. how many inches long is the laceration?
3. wilson earns $19.50/hour. how much does he earn (before taxes) in an 8 - hour shift?
4. how much does he earn in a 40 - hour work week (before taxes)?
5. if wilson works on sundays, he gets a differential bonus of $2.50 per hour to his normal hourly rate. how much would he earn working for 8 hours on sunday?
6. a cough medicine is ordered for lucy, a 6 - year - old with a bad cough. she is to take 2 teaspoons every 4 hours. how many ml is in one dose?

Explanation:

Step1: Calculate infusion time

Use formula: Time = Volume / Rate. Given volume = 480 mL and rate = 60 mL per hour. So, Time = $\frac{480}{60}$.

Step2: Solve for time

$\frac{480}{60}=8$ hours.

Step3: Convert centimeters to inches

Use conversion factor: 1 inch = 2.54 cm. So, length in inches = $\frac{10}{2.54}\approx3.94$ inches.

Step4: Calculate 8 - hour shift earnings

Use formula: Earnings = Hourly rate × Hours. Hourly rate = $19.50 and hours = 8. So, Earnings = $19.50×8 = $156.

Step5: Calculate 40 - hour week earnings

Use formula: Earnings = Hourly rate × Hours. Hourly rate = $19.50 and hours = 40. So, Earnings = $19.50×40 = $780.

Step6: Calculate Sunday 8 - hour earnings

New hourly rate on Sunday = $19.50 + $2.50=$22. Earnings = New hourly rate×Hours. So, Earnings = $22×8 = $176.

Step7: Convert teaspoons to mL

1 teaspoon is approximately 5 mL. So for 2 teaspoons, volume = 2×5 = 10 mL.

Answer:

1. 8 hours
2. Approximately 3.94 inches
3. $156
4. $780
5. $176
6. 10 mL