Chlorpromazine (Thorazine) 175 mg IM is ordered. Available: 25 mg/mL. How many mLs will you administer?
0.5 mL
7 ml
2 ml
17 ml
The Correct Answer is B
To calculate the dosage, we need to use the formula:
Dosage (mL) = Ordered dose (mg) / Available dose (mg/mL)
Plugging in the given values, we get:
Dosage (mL) = 175 mg / 25 mg/mL
Simplifying, we get:
Dosage (mL) = 7 mL
Therefore, the dosage is 7 mL.
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Related Questions
Correct Answer is B
Explanation
To solve this problem, we need to use the formula:
Desired dose / Available dose = Number of tablets
Plugging in the given values, we get:
200 mg / 100 mg = Number of tablets
2 = Number of tablets
Therefore, the correct dosage is 2 tablets.
Correct Answer is D
Explanation
To calculate the dosage using the ratio and proportion method, we can use the following formula: Dose on hand / Quantity on hand = Desired dose / X
Given that we have an order of Cialis tablets 15 mg p.o. daily and an available Cialis 5 mg scored tablet, we can calculate the number of tablets required as follows:
5 mg / 1 tablet = 15 mg / X
Cross-multiplying, we get:
5X = 15
Solving for X, we get:
X = 3
Therefore, the number of tablets required is:
Desired dose / Dose on hand = 15 mg / 5 mg = **3 tablets**
Since the available tablet is scored and has a strength of 5 mg, we can divide each tablet into two equal parts of 2.5 mg each. Therefore, the correct answer is **d) 1.5 tablets**.
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