Frequent urine tests for specific gravity are required on a 6-month-old infant. What method is the most appropriate way to collect small amounts of urine for these tests?
a. Apply a urine collection bag to the perineal area.
b. Tape a small medicine cup inside of the diaper.
c. Aspirate urine from cotton balls inside the diaper with a syringe without a needle.
d. Use a syringe without a needle to aspirate urine from a superabsorbent disposable diaper.
ANS: C
To obtain small amounts of urine, use a syringe without a needle to aspirate urine directly from the diaper. Diapers with superabsorbent gels absorb the urine; if these are used, place a small gauze dressing or cotton balls inside the diaper to collect the urine and aspirate the urine with a syringe. For frequent urine sampling, the collection bag would be too irritating to the child's skin. It is not feasible to tape a small medicine cup to the inside of the diaper; the urine will spill from the cup.
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