Which of the following instructions should be given to the client for obtaining a clean voided urine specimen?
1. Collect at least 5 mL of urine.
2. Collect the first voided specimen in the morning.
3. Keep the specimen on ice.
4. Void in a sterile cup.
Correct Answer: 2
Rationale 1: At least 10 mL of urine is generally sufficient for a routine urinalysis.
Rationale 2: Routine urine examination is usually performed on the first voided specimen in the morning because it tends to have a higher, more uniform concentration and a more acidic pH than specimens later in the day.
Rationale 3: A timed urine specimen should be refrigerated or kept on ice to prevent bacterial growth or decomposition of urine components.
Rationale 4: A clean voided urine specimen does not need to be placed in a sterile container, but a clean-catch or midstream specimen does.
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