A nurse is preparing to administer a dexamethasone 1.5 mg/kg/day PO to divide equally every 6 hr to a preschool-age child who weighs 22 lb. Available is dexamethasone oral solution 1 mg/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.)
Step 1: lb ÷ (2.2 lb/kg) = 10 kg
Step 2:.5 mg/kg/day × 10 kg = 15 mg/day
Step 3: mg/day ÷ 4 doses/day = 3.75 mg/dose
Step 4:.75 mg ÷ 1 mg/mL = 3.75 mL per dose
The calculated answer is 3.8 mL (rounded to the nearest tenth).
Correct Answer : A,B,C,D,E
Step 1: lb ÷ (2.2 lb/kg) = 10 kg
Step 2:.5 mg/kg/day × 10 kg = 15 mg/day
Step 3: mg/day ÷ 4 doses/day = 3.75 mg/dose
Step 4:.75 mg ÷ 1 mg/mL = 3.75 mL per dose
The calculated answer is 3.8 mL (rounded to the nearest tenth)
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Correct Answer is A
Explanation
Choice A rationale
It's normal for an 8-month-old child to exhibit separation anxiety when their parents leave. This stage of development typically begins around 6 to 8 months of age and can peak around 14 to 18 months. It is a sign that the child has developed a strong attachment to their parents and understands the concept of object permanence—that objects and people continue to exist even when they are not visible.
Choice B rationale
While rest is important for an infant, this statement does not address the underlying issue of separation anxiety. It implies that the child's crying is due to fatigue, which can be misleading to the parents.
Choice C rationale
An overstimulating environment can cause distress in infants, but in this case, the crying is more directly related to separation anxiety. It's essential to differentiate between the two causes so that parents can respond appropriately.
Choice D rationale
Notifying a provider is unnecessary for typical separation anxiety. This response could unnecessarily alarm the parents and does not educate them on the normalcy of this developmental phase.
Correct Answer is D
Explanation
Choice A rationale
Assisting with crutch walking is necessary but should occur only after ensuring the cast is properly set and stable to avoid injury.
Choice B rationale
Avoiding touch until the cast is dry is unnecessary and impractical. The nurse can handle the cast gently without causing damage.
Choice C rationale
Using a heat lamp can lead to skin burns or uneven drying, which might weaken the cast.
Choice D rationale
Applying moleskin to the edges protects the child’s skin from irritation and breakdown, promoting comfort and skin integrity.