A nurse notes that the specific gravity of urine is lower in infants than in older children. The nurse recognizes that the rationale for this difference is related to:
The infant having a higher basal metabolic rate
The infant’s kidneys being less able to concentrate urine
The infant having a greater percentage of body weight in water
The infant having a greater body surface area
The Correct Answer is C
a) The infant having a higher basal metabolic rate: Basal metabolic rate doesn't directly impact urine specific gravity.
b) The infant’s kidneys being less able to concentrate urine: In fact, infants have immature kidneys that are less efficient at concentrating urine, but this is not the primary reason for lower specific gravity.
c) The infant having a greater percentage of body weight in water: Infants have a higher percentage of body weight in water, leading to more dilute urine.
d) The infant having a greater body surface area: While body surface area influences some aspects of renal function, it's not the main factor affecting urine specific gravity in infants.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
a) Weight should triple by 6 months of age: Typically, a newborn's birth weight should double by around 4 to 6 months of age and triple by approximately 12 months (1 year).
b) Weight should double by 4 months of age: Doubling the birth weight by 4 months is too rapid for healthy growth.
c) Weight should double by 1 year of age: Weight doubling usually occurs by 6 months of age. By 1 year of age, a baby's weight is expected to be about three times their birth weight.
d) Weight should triple by 1 year of age: By the end of the first year, a baby’s weight typically triples from their birth weight, which is a standard growth milestone.
Correct Answer is ["A","C","D","E"]
Explanation
a) Airway swelling: Seen in both bronchiolitis and RSV due to inflammation.
b) Barking cough: More commonly associated with croup, not typically a prominent feature in bronchiolitis or RSV.
c) Increased mucus: Both conditions involve increased mucus production.
d) Bronchospasm: Present in both bronchiolitis and RSV due to airway irritation.
e) Air trapping: Can occur in both conditions due to the airway obstruction and inflammation
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