A 63-Year-Old Woman Comes to the Office for a Routine

A 63-year-old woman comes to the office for a routine preventive examination.  She has no significant medical problems and takes no medications.  The patient consumes a balanced diet; gets regular exercise; and does not use tobacco, alcohol, or illicit drugs.  She is up to date on breast, colon, cervical, and lipid screenings.  Her physical examination findings are unremarkable.  The patient expresses concern about wrinkles around her eyes that make her "look old."  A decrease in which of the following is most likely responsible for this patient's complaint?

A) Collagen cross-linking
B) Collagen fibril production
C) Collagenase synthesis
D) Elastin degradation
E) Proline hydroxylation

Correct Answer:

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