What is the expected weight of an infant who weighs 7 pounds at birth by age 1 year?

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Study for the Wong's Essentials of Pediatric Nursing Test. Learn with detailed flashcards and multiple choice questions. Each question offers explanations and hints to aid understanding. Prepare effectively for your exam now!

Multiple Choice

What is the expected weight of an infant who weighs 7 pounds at birth by age 1 year?

Explanation:
Infants typically triple their birth weight by one year. So a baby who weighs 7 pounds at birth is expected to weigh about 21 pounds at one year. Doubling by about 4–5 months happens earlier, but by the first birthday the usual milestone is about triple the birth weight. The other numbers don’t fit that typical pattern: 14 pounds would reflect doubling, 28 pounds would be quadrupling, and 7 pounds would indicate no growth.

Infants typically triple their birth weight by one year. So a baby who weighs 7 pounds at birth is expected to weigh about 21 pounds at one year. Doubling by about 4–5 months happens earlier, but by the first birthday the usual milestone is about triple the birth weight. The other numbers don’t fit that typical pattern: 14 pounds would reflect doubling, 28 pounds would be quadrupling, and 7 pounds would indicate no growth.

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