An Individual with Phenylketonuria (PKU)

question 51

Multiple Choice

An individual with phenylketonuria (PKU)

• A) does not metabolize phenylalanine.
• B) metabolizes phenylalanine too rapidly.
• C) metabolizes tyrosine too rapidly.
• D) must consume extraordinary quantities of proteins.
• E) does not metabolize tyrosine.

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Definitions:

Ossification

Ossification is the process by which bone forms, replacing soft tissues with bony tissue during growth or healing.

Endochondral

Pertaining to the process of bone development from cartilaginous models, typically observed in long bones.

Intramembranous

Refers to a type of bone formation where bone tissue forms directly without first forming cartilage.

Epiphyseal Plate

A hyaline cartilage plate in the long bones, where lengthwise growth of the bone occurs.