A nurse is preparing to administer 17,000 units heparin subcutaneously. Available is heparin 20,000 units/mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if applicable. Do not use a trailing zero.)
The Correct Answer is ["0.85"]
Volume to administer = Prescribed dose/ available concentration
= 17, 000 units/20, 000 units/mL
= 0.85 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is B
Explanation
A. Pap smears are not related to isotretinoin therapy.
B. Due to teratogenic risks, two forms of contraception are mandatory, starting 1 month before treatment.
C. Vitamin A supplementation increases toxicity risk and is contraindicated.
D. Mammograms are not required for isotretinoin therapy.
Correct Answer is B
Explanation
A. Heart rate: While important, it is not as directly impacted by codeine as respiratory rate.
B. Respiratory rate: Codeine is an opioid and can cause respiratory depression. Monitoring respiratory rate is the priority.
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D. Level of consciousness: Sedation is a possible effect, but respiratory rate takes precedence in monitoring.
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