A nurse is collecting data from an infant who has severe dehydration. Which of the following findings should the nurse expect?
Slow respirations
Capillary refill 3 seconds
Sunken fontanels
Increased blood pressure
The Correct Answer is C
A. Slow respirations:
Infants with dehydration often have tachypnea, not slow respirations.
B. Capillary refill 3 seconds:
A refill time greater than 2 seconds can be abnormal, but 3 seconds is borderline and not specific to severe dehydration.
C. Sunken fontanels:
Sunken anterior fontanel is a key sign of severe dehydration in infants due to fluid volume loss.
D. Increased blood pressure:
Blood pressure is usually low or normal in severe dehydration; hypotension may indicate shock.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Aim the stream of water directly at the cerumen impaction:
This may injure the tympanic membrane. Irrigation should be directed at the superior wall of the canal.
B. Use cool water to flush the cerumen from the ear canal:
Cool water can cause dizziness or nausea due to stimulation of the vestibular system. Body-temperature water is preferred.
C. Instill cerumen-softening drops before the irrigation:
Softening the cerumen (e.g., with mineral oil or hydrogen peroxide solution) makes irrigation more effective and comfortable.
D. Remind the client to use a cotton swab periodically to remove cerumen:
Cotton swabs can push cerumen deeper and risk damage to the ear canal or drum.
Correct Answer is A
Explanation
A. Place the newborn on a flat surface and clap hands loudly:
A sudden loud noise or movement causes the newborn to extend and abduct arms, then adduct them – the Moro (startle) reflex.
B. Stroke the newborn's cheek toward their mouth:
This tests the rooting reflex, not the Moro reflex.
C. Stroke upward on the lateral aspect of the newborn's foot:
This elicits the Babinski reflex, not Moro.
D. Place the newborn on their abdomen and observe the movement of their extremities:
This would assess gross motor tone or posture, not the Moro reflex.
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