A patient presents the following prescription: Humulin 70/30 U-100 Sig: 45 units subcutaneous q.a.m, and 55 units subcutaneous q.p.m. Disp: 30 days supply The number of 10 mL vials to be entered into the patient profile for the quantity ordered is:

Rationale

Three 10 mL vials of Humulin 70/30 are needed for the patient's prescription.

To determine the total number of vials required, we first calculate the total daily dosage of the Humulin 70/30 and then convert this into the volume needed for the vials. The patient requires 45 units in the morning and 55 units in the evening, totaling 100 units per day. Given that each 10 mL vial contains 1000 units, we find that the patient will need 3 vials for a 30-day supply.

A (1) YOUR ANSWER

This choice represents an underestimation of the total volume needed for the patient's 30-day supply. With a total daily requirement of 100 units, a single vial, which holds 1000 units, would only suffice for 10 days, not the full 30 days.

B (2) YOUR ANSWER

Selecting two vials also falls short as it only provides 2000 units, which is enough for 20 days of medication. Since the prescription is for a 30-day supply, two vials will not meet the patient's needs.

C (3) CORRECT

Each 10 mL vial contains 1000 units, and with a total requirement of 3000 units for a 30-day supply (100 units per day), three vials provide exactly the necessary 3000 units. This ensures that the patient receives their full prescription as intended.

D (4) YOUR ANSWER

This choice provides an excess amount, totaling 4000 units, which is more than necessary for a 30-day supply. While it does cover the prescription, it is not the most efficient or accurate quantity needed for the patient.

Conclusion

The calculation shows that the patient requires a total of 3000 units of Humulin 70/30 for a 30-day supply, which translates to three 10 mL vials. This ensures that the patient receives the correct dosage without unnecessary surplus. Understanding the dosing and vial sizes is crucial for accurate medication dispensing and patient care.

A patient presents the following prescription: Humulin 70/30 U-100 Sig: 45 units subcutaneous q.a.m, and 55 units subcutaneous q.p.m. Disp: 30 days supply The number of 10 mL vials to be entered into the patient profile for the quantity ordered is:

Three 10 mL vials of Humulin 70/30 are needed for the patient's prescription.

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