A 10-month-old baby weighs 8 kilograms. What is the recommended fluid maintenance rate for this baby?
50.5 mL/hour
33.3 ml/hour
30 ml/hour
25.3 ml/hour
The Correct Answer is B
Calculation:
Determine the recommended daily fluid maintenance for a baby weighing up to 10 kg.
- For the first 10 kg of body weight, the recommended fluid maintenance is 100 mL/kg/day.
Calculate the total daily fluid maintenance for the baby.
Total daily fluid maintenance (mL/day) = Weight (kg) × 100 mL/kg/day
= 8 kg × 100 mL/kg/day
= 800 mL/day.
Convert the total daily fluid maintenance to an hourly rate.
Fluid maintenance rate (mL/hr) = Total daily fluid maintenance (mL/day) / 24 hr/day
= 800 mL / 24 hr
= 33.333... mL/hr.
= 33.3 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Negative Doll's eye reflex: By 9 months, the doll's eye reflex (in which the eyes move in the opposite direction of the head) should no longer be present. Its absence is normal and does not require intervention.
B. Negative Crawl reflex: The crawling reflex typically fades by 6 weeks and is replaced by voluntary movements by this age. A negative crawl reflex at 9 months is expected and does not warrant concern.
C. Positive Babinski reflex: A positive Babinski reflex is considered normal in infants up to about 12 months. It involves dorsiflexion of the big toe when the sole is stroked and does not require intervention in a 9-month-old.
D. Positive Moro reflex: The Moro reflex (startle reflex) typically disappears by 4 months of age. Its persistence at 9 months may indicate neurological immaturity or dysfunction and requires further evaluation.
Correct Answer is C
Explanation
A. Inability to pick up an object with her fingers: At 3 months, infants typically do not have the fine motor skills to grasp objects deliberately with fingers. This milestone usually develops around 4 to 6 months, so this finding is not concerning at this age.
B. Inability to bring an object to her mouth: This milestone generally emerges around 4 to 6 months as infants gain better hand-eye coordination and voluntary control. Lack of this skill at 3 months is expected and not necessarily a delay.
C. Inability to raise head when in prone position: By 3 months, infants usually can lift and briefly hold their head up while lying on their stomach, demonstrating neck muscle strength. If the infant cannot do this, it may indicate a developmental concern.
D. Inability to sit without support: Sitting independently without support is a major gross motor milestone that typically develops much later in infancy, usually between 6 to 8 months of age. A 3-month-old infant is not expected to be able to sit without support, so this is a normal finding and not a concern.
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