A nurse is caring for an infant who has rotavirus.
Which of the following findings indicates that the infant is moderately dehydrated?
Respiratory rate 28/min.
Bradycardia.
Capillary refill 1 second.
Weight loss 7%.
The Correct Answer is D
The correct answer is d. Weight loss 7%.
Choice A reason: Respiratory rate 28/min. The normal respiratory rate for infants can vary depending on their age. For newborns, it’s typically between 30-60 breaths per minute1. As they grow older, the rate decreases. For example, infants aged 0-5 months have a normal respiratory rate of 25-40 breaths per minute. Therefore, a respiratory rate of 28/min falls within the normal range for an infant and does not specifically indicate moderate dehydration.
Choice B reason:. Bradycardia in infants is defined as a heart rate that is slower than normal for their age. For infants aged 0-3 years, a heart rate less than 100 beats per minute is considered bradycardia3. Bradycardia can be a sign of many conditions, including dehydration, but on its own, it is not a definitive indicator of moderate dehydration.
Choice C reason: Capillary refill time is the time taken for color to return to an external capillary bed after pressure is applied to cause blanching. In infants, a normal capillary refill time is less than 2 seconds, and in newborns, it can be up to 3 seconds. A capillary refill time of 1 second is within the normal range and does not indicate moderate dehydration.
Choice D reason: Weight loss 7%. In infants, a weight loss of about 6-9% is generally considered a sign of moderate dehydration. This is because infants are particularly susceptible to fluid loss due to their small body size and higher body water content. A 7% weight loss in an infant who has rotavirus, which can cause significant fluid loss through diarrhea, is a strong indicator of moderate dehydration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Asking the parent if they are willing to take new parenting classes is a closed-ended question that does not encourage open communication or exploration of the parent's coping mechanisms. It does not assess the parent's current strategies or provide an opportunity for them to express their concerns.
Choice B rationale:
Asking the parent what they do when their infant is fussy encourages open dialogue and allows the parent to share their coping mechanisms. It provides insight into the parent's current strategies for managing their infant's fussiness, which can guide the nurse in providing appropriate support and education.
Choice C rationale:
Asking if parenting is overwhelming on a bad day is a general question that may not yield specific information about the parent's coping mechanisms. It does not address the parent's strategies for managing their infant's fussiness or provide a clear understanding of their coping skills.
Choice D rationale:
Asking if parenting causes stress is a closed-ended question that may yield a yes or no response without exploring the parent's coping mechanisms in detail. It does not encourage the parent to elaborate on their experiences or provide specific information about their coping strategies.
Correct Answer is D
Explanation
Choice A rationale:
Heart rate is important to monitor but is not specific to the management of cystic fibrosis or the prescribed treatments mentioned in the exhibit. Monitoring heart rate is essential in various clinical situations, but it is not the focus here.
Choice B rationale:
WBC count, or white blood cell count, is a marker of infection or inflammation in the body. While it can be useful in assessing the overall health of a patient, it is not specific to cystic fibrosis or the prescribed treatments mentioned in the exhibit.
Choice C rationale:
HbA1c, or glycated hemoglobin, is a marker used in diabetes management to assess long-term blood sugar control. It is not relevant to cystic fibrosis or the medications prescribed in this case.
Choice D rationale:
Oxygen saturation is a crucial parameter to monitor in a child with cystic fibrosis, especially considering the respiratory complications associated with this condition. Low oxygen saturation levels can indicate respiratory distress, which needs prompt medical attention. Reporting any abnormal oxygen saturation values to the provider ensures timely intervention and appropriate management of the child's respiratory status.
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