A nurse is preparing to administer diphenhydramine 40 mg. IM to a client who has allergies. Available is diphenhydramine injection 50 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.8"]
Step 1: Set up the proportion:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Step 2: Substitute the values:
40 mg / Volume = 50 mg/mL
Step 3: Solve for the unknown volume:
Volume = 40 mg / 50 mg/mL
Step 4: Calculate the volume:
Volume = 0.8 mL
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Related Questions
Correct Answer is ["3"]
Explanation
Given:
Desired dose of potassium chloride: 30 mEq
Concentration of potassium chloride tablets: 10 mEq/tablet
Step 1: Calculate the number of tablets:
Number of tablets = Desired dose (mEq) / Concentration per tablet (mEq/tablet)
Number of tablets = 30 mEq / 10 mEq/tablet
Number of tablets = 3 tablets
Correct Answer is ["2"]
Explanation
Given:
Desired dose of oxycodone: 10 mg
Concentration of oxycodone tablets: 5 mg/tablet
Step 1: Calculate the number of tablets:
Number of tablets = Desired dose (mg) / Concentration per tablet (mg/tablet)
Number of tablets = 10 mg / 5 mg/tablet
Number of tablets = 2 tablets
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