A nurse is preparing to administer atropine 0.02 mg/kg via IV bolus to a school-age child who weighs 30 kg. Available is 0.4 mg/mL. How many mL should the nurse administer? (Round your answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero).
The Correct Answer is ["1.5"]
Calculation:
- Calculate the total dose in milligrams (mg).
Ordered dose: 0.02 mg/kg
Patient weight: 30 kg
Total dose (mg) = 0.02 mg/kg x 30 kg
= 0.6 mg.
- Calculate the volume to administer in milliliters (mL).
Total dose: 0.6 mg
Available concentration: 0.4 mg/mL
Volume (mL) = Total Dose (mg) / Available Concentration (mg/mL)
= 0.6 mg / 0.4 mg/mL
= 1.5 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Weight gain: Ergotamine does not typically cause weight gain. Its primary adverse effects are related to vascular and neuromuscular systems rather than metabolic changes.
B. Constipation: Constipation is not a common adverse effect of ergotamine. The medication primarily affects smooth muscle in blood vessels rather than gastrointestinal motility.
C. Hypoglycemia: Ergotamine does not influence blood glucose levels, so hypoglycemia is not an expected adverse effect.
D. Muscle pain: Ergotamine can cause vasoconstriction of peripheral blood vessels, which may lead to muscle pain, weakness, or tingling in the extremities. This neuromuscular effect is a recognized potential adverse effect of the medication.
Correct Answer is A
Explanation
A. Estrogen-progestin combination: Carbamazepine induces hepatic enzymes, which can increase the metabolism of estrogen and progestin. This reduces the effectiveness of hormonal contraceptives, increasing the risk of unintended pregnancy.
B. Nicotine transdermal system: Nicotine does not have a significant interaction with carbamazepine. The metabolism and pharmacologic effects of nicotine are not substantially altered by enzyme induction from carbamazepine.
C. Diphenhydramine: Diphenhydramine is an antihistamine and does not have a major interaction with carbamazepine. Concurrent use does not significantly affect the efficacy or metabolism of either drug.
D. Beclomethasone: Inhaled corticosteroids like beclomethasone are minimally affected by carbamazepine because they have limited systemic absorption. No clinically significant interaction is expected.
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