Calculations of Doses in Pharmacology
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Questions and Answers

In the given examples, how is the number of doses calculated?

  • Subtracting the total quantity from the size of the dose
  • Dividing the total quantity by the size of the dose (correct)
  • Multiplying the total quantity by the size of the dose
  • Adding the total quantity to the size of the dose

    • What must be true for the total quantity and size of dose when using the equation for dose calculation?

  • They must be in different forms
  • They must be in the same unit of measure (correct)
  • They must be in different units of measure
  • Their sum must equal 1

    • If 1 teaspoon is prescribed as the dose, how many doses will be contained in 4 fluid ounces of the medicine?

  • 25 doses
  • 20 doses (correct)
  • 15 doses
  • 10 doses

    • For Example 3, if 0.015 g is equivalent to 15 mg, how many doses are contained in 0.12 g?

    <p>120 doses</p> Signup and view all the answers

    What would be the dose of TAXOL for a patient 155 cm tall and weighing 53 kg if the dose of TAXOL in the treatment of metastatic ovarian cancer is 135 mg/m2?

    <p>112.5 mg</p> Signup and view all the answers

    What would be the dose for a child with a body surface area of 0.70 m2 if the adult dose of a drug is 100 mg?

    <p>90 mg</p> Signup and view all the answers

    How many grams of methotrexate would a 150-lb. patient, 5 ft. 8 in. tall, receive during 8 weeks if an anticancer treatment includes 35 mg/m2 of body surface area once per week?

    <p>7 grams</p> Signup and view all the answers

    For a dose of vincristine of 2 mg/m2, what would be the dose in ml for a 4-yr-old with leukemia weighing 37 lb and is 97 cm tall?

    <p>0.88 ml</p> Signup and view all the answers

    If a drug dose is stated as 30 mg/m2, what would be the appropriate dose for an adult with a BSA of 2.05 m2?

    <p>61.5 mg</p> Signup and view all the answers

    For a child weighing 12 kg and measuring 90 cm in height, what would be the BSA?

    <p>0.52 m2</p> Signup and view all the answers

    What is the body surface area (BSA) of a patient who measures 175 cm in height and weighs 70 kg?

    <p>1.89 m2</p> Signup and view all the answers

    What is the dose based on BSA for an individual measuring 170 cm in height and weighing 75 kg if the usual adult dose of a drug is 150 mg?

    <p>47.5 mg</p> Signup and view all the answers

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