Name the two gases that are exchanged when someone breathes.

In which situations is the principle of cross-cutting relationship useful in determining relative age?

An 88 year-old widow with uterine prolapse and multiple comorbid conditions has been unsuccessful in the use of a pessary for treatment elects to receive colpocleisis (lefort type) to prevent further prolapse and avoid more significant surgery like hysterectomy. the treatment is successful. what are the cpt® and icd-10-cm codes reported for this procedure?

What do nitrifying bacteria convert