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) Handwashing is the most important factor in reducing the spread of the virus: Correct, hand hygiene is crucial in preventing the transmission of Hepatitis A.
b) We understand that early treatments with gamma-globulins can help our child: Correct, gamma-globulin treatment can offer passive immunity.
c) We will clean contaminated surfaces with bleach: Correct, using bleach is effective in disinfecting contaminated surfaces.
d) We should feed our child a high-fat diet: Hepatitis A does not require a high-fat diet. In fact, a low-fat diet is often recommended during the acute phase of the illness to reduce stress on the liver. This statement indicates a need for further education.
Correct Answer is D
Explanation
a) Make her lie down and rest quietly: Inappropriate as the symptoms suggest potential airway obstruction.
b) Examine her oral pharynx and report to the physician: Important action, but immediate airway management is the priority.
c) Auscultate her lungs and prepare for placement in a warm mist tent: Less critical than ensuring an open airway.
d) Defer an oral assessment and be prepared to assist with a tracheostomy or intubation: The child's symptoms (stridor, agitation, drooling) indicate potential upper airway obstruction, and immediate readiness for airway intervention is essential.
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