A nurse is preparing to administer iron dextran 75 mg IM to a client who is pregnant. has iron deficiency anemia, and cannot tolerate oral iron supplements. Available is iron dextran 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 ["1.5"]
Given:
Desired dose of iron dextran: 75 mg
Concentration of iron dextran injection: 50 mg/mL
Step 1: Set up the proportion:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Step 2: Substitute the values:
75 mg / Volume = 50 mg/mL
Step 3: Solve for the unknown volume:
Volume = 75 mg / 50 mg/mL
Step 4: Calculate the volume:
Volume = 1.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Given:
Desired dose of acetaminophen: 0.65 g
Concentration of acetaminophen tablets: 325 mg/tablet
Conversion factor: 1 g = 1,000 mg
Step 1: Convert the desired dose to milligrams:
Desired dose in mg = Desired dose in g x 1,000 mg/g
Desired dose in mg = 0.65 g x 1,000 mg/g
Desired dose in mg = 650 mg
Step 2: Calculate the number of tablets:
Number of tablets = Desired dose in mg / Concentration per tablet (mg/tablet)
Number of tablets = 650 mg / 325 mg/tablet
Number of tablets = 2 tablets
Correct Answer is ["0.5"]
Explanation
Given:
Desired dose of cephalexin: 250 mg
Concentration of cephalexin tablets: 500 mg/tablet
Step 1: Calculate the number of tablets:
Number of tablets = Desired dose (mg) / Concentration per tablet (mg/tablet)
Number of tablets = 250 mg / 500 mg/tablet
Number of tablets = 0.5 tablets
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