The physician has ordered 350 mg of ampicillin IM. The ampicillin is available as 1 g/5 mL. How many mLs does the nurse need to draw up for an IM injection?
The Correct Answer is ["1.75"]
To administer the correct dose of ampicillin IM, the nurse needs to calculate the amount of solution to draw up from the vial.
The vial contains 1 g of ampicillin in 5 mL of solution, which means that each mL has 200 mg of ampicillin.
To get 350 mg of ampicillin, the nurse needs to divide 350 by 200, which gives 1.75.
Therefore, the nurse needs to draw up 1.75 mL of solution for an IM injection.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Teaching the child to take long, slow breaths:
While teaching slow breathing techniques can be helpful in managing anxiety and promoting a sense of calm, it may not directly address the underlying airway inflammation and bronchodilation needed in acute laryngotracheobronchitis.
B. Assisting with racemic epinephrine nebulizer therapy:
Racemic epinephrine is a medication that contains epinephrine, a bronchodilator. Nebulizer therapy with racemic epinephrine helps reduce airway inflammation, allowing for bronchodilation and improved breathing. This is a common intervention for managing acute respiratory distress in conditions like croup.
C. Administering an oral analgesic:
Oral analgesics, such as pain medications, can provide relief from discomfort or pain, but they do not directly address the bronchodilation needed for conditions like acute laryngotracheobronchitis.
D. Administering a corticosteroid:
Corticosteroids have anti-inflammatory properties and can help reduce swelling and inflammation in the airways. By doing so, they contribute to bronchodilation and improved breathing in conditions like croup. Corticosteroids are often used as part of the treatment plan for acute laryngotracheobronchitis.
Correct Answer is D
Explanation
A. Approximately 18 lbs. 6 oz.:
This option represents an overestimation of the expected weight. Doubling the birth weight of 8 lbs. 2 oz. would be 16 lbs. 4 oz., so this choice is higher than the expected weight.
B. Approximately 14 lbs. 8 oz.:
This option represents an underestimation of the expected weight. Doubling the birth weight of 8 lbs. 2 oz. would be 16 lbs. 4 oz., so this choice is lower than the expected weight.
C. Approximately 24 lbs. 4 oz.:
This option represents a significant overestimation of the expected weight. Doubling the birth weight of 8 lbs. 2 oz. would be 16 lbs. 4 oz., so this choice is much higher than the expected weight.
D. Approximately 16 lbs. 4 oz.:
This option is the correct estimate based on doubling the birth weight of 8 lbs. 2 oz. It accurately reflects the expected weight of a 6-month-old child according to developmental milestones.
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