A nurse is reinforcing discharge teaching with a client who has postpartum depression and a prescription for citalopram 20 mg PO daily. Available is citalopram solution 10 mg/5 mL. How many tsp should the nurse tell the client to administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
Given:
Desired dose of citalopram: 20 mg
Concentration of citalopram solution: 10 mg/5 mL
Conversion factor: 1 tsp = 5 mL
Step 1: Calculate the volume of citalopram solution needed:
Volume of citalopram solution (mL) = Desired dose (mg) / Concentration (mg/mL)
Volume of citalopram solution (mL) = 20 mg / (10 mg / 5 mL)
Volume of citalopram solution (mL) = 20 mg / 2 mg/mL
Volume of citalopram solution (mL) = 10 mL
Step 2: Convert the volume to teaspoons:
Number of teaspoons = Volume of citalopram solution (mL) / Volume per teaspoon (mL/tsp)
Number of teaspoons = 10 mL / 5 mL/tsp
Number of teaspoons = 2 tsp
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["120"]
Explanation
Given:
Desired dose of ferrous sulfate: 0.12 g
Conversion factor: 1 g = 1,000 mg
Step 1: Convert grams to milligrams:
Desired dose in mg = Desired dose in g x Conversion factor (mg/g)
Desired dose in mg = 0.12 g x 1,000 mg/g
Desired dose in mg = 120 mg
Correct Answer is ["0.8"]
Explanation
Step 1: Set up the proportion:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Step 2: Substitute the values:
8 mg / Volume = 10 mg/mL
Step 3: Solve for the unknown volume:
Volume = 8 mg / 10 mg/mL
Step 4: Calculate the volume:
Volume = 0.8 mL
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