A nurse is conducting a class for preschool parents concerning ways to prevent illness in children. A parent asks why little girls are at greater risk for urinary tract infections than little boys. Which response by the nurse is most accurate?
1. "Little boys have short urethras, but they also have testicles that block bacteria from the rectum."
2. "Most little girls don't wipe themselves as well as little boys do after using the bathroom."
3. "Little girls have short urethras, which makes it easier for bacteria to move into the bladder."
4. "Testosterone in boys helps prevent urinary tract infections."
Correct Answer: 3
Rationale 1: Little boys do have testicles that help to block bacteria from traveling from the rectum to the urethra, but they have long urethras, not short ones.
Rationale 2: Cleanliness does affect the chance of developing a UTI, but girls tend to wipe themselves better than boys do.
Rationale 3: Girls have more frequent UTIs because their urethras are shorter than boys', making it easier for bacteria to move into the bladder. Their rectums are also in closer proximity to the urethra than are boys'.
Rationale 4: Testosterone does not help to prevent UTIs.
Global Rationale: Girls have more frequent UTIs because their urethras are shorter than boys', making it easier for bacteria to move into the bladder. Their rectums are also in closer proximity to the urethra than are boys'.
Little boys do have testicles that help to block bacteria from traveling from the rectum to the urethra, but they have long urethras, not short ones. There is no evidence that boys wipe themselves better than do girls. Testosterone does not help prevent UTIs.
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