A nurse is preparing to administer lithium 300 mg PO to a client who has bipolar disorder. Available is lithium 150 mg capsules. How many capsules should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
1.5 caps
0.5 caps
1 cap
2 caps
The Correct Answer is D
Given:
Ordered dose of Lithium: 300 mg
Available Lithium capsules: 150 mg/capsule
Step 1: Calculate the number of capsules required:
Number of capsules = Desired dose (mg) / Strength of each capsule (mg/capsule)
Number of capsules = 300 mg / 150 mg/capsule
Number of capsules = 2 capsules
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Related Questions
Correct Answer is C
Explanation
Let's calculate the dosage using the provided information.
Information from the label:
Bumetanide concentration: 0.25 mg/mL
Available volume: 10 mL vial
Order: Bumex (bumetanide) 1 mg IV daily
Calculation:
Determine the desired dose: 1 mg
Use the formula:
Desired dose (mg) / Available concentration (mg/mL) = Volume to administer (mL)
Substitute the values:
1 mg / 0.25 mg/mL = Volume to administer (mL)
Calculate:
Volume to administer = 4 mL
Therefore, the correct answer is C. 4 mL
Correct Answer is B
Explanation
Calculate the dosage using the ratio and proportion:
Given:
Order: 200 mg p.o. t.i.d.
Available: Tegretol 100 mg chewable tablets.
Step 1: Set up the proportion
Availabledose(100mg) : 1tablet = Ordereddose(200mg) : xtablets
Step 2: Solve for ?
100 mg : 1 tab = 200 mg : ? tabs
? = 200/100 = 2 tablets
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