A nurse is preparing to administer ferrous sulfate 120 mg PO. Available is ferrous sulfate syrup 90 mg/5 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 ["6.7"]
Given:
Prescribed dose: 120 mg of ferrous sulfate
Available concentration: 90 mg/5 mL
Steps to solve:
Determine the volume to be administered:
Set up a proportion to solve for the unknown volume (X):
90 mg/5 mL = 120 mg/X mL
Cross-multiplying gives us:
90 mg x X mL = 120 mg x 5 mL
Simplifying:
90X = 600
Solving for X:
X = 600 / 90 = 6.67 mL
Round to the nearest tenth: 6.7 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["5"]
Explanation
Given:
Prescribed dose: 20 mg of propranolol per dose
Available concentration: 4 mg/mL
Steps to solve:
Determine the volume to be administered:
Set up a proportion to solve for the unknown volume (X):
4 mg/mL = 20 mg/X mL
Cross-multiplying gives us:
4 mg x X mL = 20 mg x 1 mL
Simplifying:
4X = 20
Solving for X:
X = 20 / 4 = 5 mL
Correct Answer is B
Explanation
A) Frequency: The frequency in this prescription is specified as "qhs" (every night at bedtime), which is a standard and appropriate frequency for this type of treatment. There is no issue with the frequency, as it aligns with common treatment regimens for vaginal infections.
B) Route: The prescribed route for clindamycin is vaginal, which is unusual for antibiotics, as they are typically given orally or intravenously. However, clindamycin can be used vaginally for the treatment of infections such as group B streptococcus during pregnancy. The nurse should clarify the route to ensure that this is the intended administration method, especially considering that clindamycin is more commonly prescribed for oral or IV use.
C) Dosage: The dosage of 5 g is appropriate for vaginal clindamycin treatment for group B streptococcus and falls within typical guidelines for this type of therapy. Clindamycin vaginal suppositories or creams are usually dosed in the range of 5 g, making the dosage correct.
D) Medication: Clindamycin is a suitable antibiotic for treating group B streptococcus infections, including when administered vaginally. It is frequently used for such purposes, especially in pregnant women, to prevent neonatal transmission during labor.
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