Fundamentals of Nursing Q 537

---

Five teaspoons is equivalent to how many milliliters (ml)?

  

     A. 30 ml

     B. 25 ml

     C. 12 ml

     D. 22 ml

    

    

Correct Answer: B. 25 ml

---

One teaspoon is equal to 5ml. Drug calculations require the use of conversion factors, for example, when converting from pounds to kilograms or liters to milliliters. Simplistic in design, this method allows clinicians to work with various units of measurement, converting factors to find the answer. These methods are useful in checking the accuracy of the other methods of calculation, thus acting as a double or triple check.

---

Option A: 30 ml is equal to 6 teaspoons. When clinicians are prepared and know the key conversion factors, they will be less anxious about the calculation involved. This is vital to accuracy, regardless of which formula or method employed.

Option C: 12 ml is equal to 2.4 teaspoons. Units of measurement must match, for example, milliliters and milliliters, or one needs to convert to like units of measurement.

Option D: 22 ml is equal to 4.4 teaspoons. Medication errors can be detrimental and costly to patients. Drug calculation and basic mathematical skills play a role in the safe administration of medications.

---