A 4-Year-Old Who Had a Broken Arm Is Preparing to Have

question 7

Multiple Choice

A 4-year-old who had a broken arm is preparing to have the cast removed after 4 weeks. The child's parent states, "I had a cast on my arm a lot longer than that for it to heal. Are you sure the cast has been on long enough?" Which is the best response to the parent?

• A)"Children's bones heal faster than adults, so they don't need to wear a cast as long as an adult."
• B)"Children's bones are different, but the cast should be on about as long as yours was."
• C)"You're right. The cast hasn't been on nearly as long as an adult. I'll recheck with the health-care provider."
• D)"We don't worry about children's bones as much; they will remodel well on their own."

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Definitions:

DNA Polymerase

An enzyme that plays a critical role in DNA replication, facilitating the synthesis of a new strand of DNA by adding nucleotides matched to the template strand.

Adds Nucleotides

A process that involves the addition of nucleotide units to a nucleic acid molecule such as DNA or RNA.

Diploid

A cell or organism that has two sets of chromosomes, one from each parent, typical of somatic cells.

Chromosome Type

Refers to the classification of chromosomes based on structure and function within a cell, important for genetic inheritance.