Massachusetts Pharmacy Technician License Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

A patient is to receive 150 mL of IV fluid over three hours. If the drop factor is 60, what is the flow rate in drops per minute?

20 drops/min

30 drops/min

50 drops/min

To determine the flow rate in drops per minute, you first need to calculate how many total drops will be given over the entire duration of the IV infusion. The drop factor, which is given as 60 drops per mL, will be critical in this calculation.

First, calculate the total volume to be infused in drops:

1. Convert 150 mL into drops using the drop factor:

\[

\text{Total drops} = \text{Total volume (mL)} \times \text{Drop factor (drops/mL)}

\]

\[

\text{Total drops} = 150 \, \text{mL} \times 60 \, \text{drops/mL} = 9000 \, \text{drops}

\]

Next, determine the total time for the infusion in minutes. Since the infusion is to be given over three hours, you convert hours to minutes:

2. Convert hours to minutes:

\[

3 \, \text{hours} = 3 \times 60 = 180 \, \text{minutes}

\]

Now, you can calculate the flow rate in drops per minute:

3. Calculate the flow rate

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60 drops/min

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