A nurse is preparing to administer vitamin K 1mg IM to a newborn.
The available vitamin K injection is 1 mg/0.5 mL. How many mL should the nurse administer per dose?
(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.5"]
Step 1: The nurse needs to administer 1mg of vitamin K. The available vitamin K injection is 1 mg per 0.5 mL.
Step 2: To find out how many mL the nurse should administer, we divide the required dose by the concentration of the injection. So, 1 mg ÷ (1 mg/0.5 mL).
Step 3: This simplifies to 1 mg × (0.5 mL/1 mg).
Step 4: The mg units cancel out, leaving us with 0.5 mL. So, the nurse should administer 0.5 mL of the vitamin K injection per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
While facial paralysis is a serious condition, it is not typically associated with a cleft palate.
Choice B rationale
Ear infections are a common complication of a cleft palate, but they are not typically a sign of an immediate, serious problem.
Choice C rationale
Increased intracranial pressure is not a common complication of a cleft palate, but it is a serious condition that requires immediate medical attention.
Choice D rationale
Drooling is common in children with a cleft palate and is not typically a sign of a serious problem.
Correct Answer is A
Explanation
Choice A rationale:
Developmental dysplasia of the hip (DDH) is a condition in which the hip joint is not properly formed or is unstable. Asymmetric thigh folds are a common finding in infants with DDH, as the affected hip may be dislocated or subluxated, leading to a difference in thigh fold appearance.
Choice B rationale:
An inwardly turned foot is not a specific indication of DDH. Instead, it may suggest other conditions, such as clubfoot or metatarsus adductus (no reference).
Choice C rationale:
Absent plantar reflexes are not associated with DDH. This finding might indicate a neurological issue or spinal cord injury (no reference).
Choice D rationale:
A lengthened thigh is not a typical finding in DDH. Instead, a shortened thigh on the affected side might be present due to the displacement of the femoral head (no reference).
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