Why is pao2 essentially normal in overall hypoventilation?

In regards to acetyl coa in the tca/kreb's cycle: how many cycles minimum would it take for an acetyl coa carbon to be removed? (what is the first step that this removal could happen? why can't we know for sure how many turns it takes?

Anurse is teaching about a new prescription for infliximab to a client who has rheumatoid arthritis. which of the following information should the nurse include in the teaching? a. “you will receive a mantoux test before the initial medication dose.” b. “you might experience diarrhea during the first 2 weeks of treatment.” c. “you will receive the medication every week for 6 weeks.” d. “you should receive the intranasal influenza vaccine.”

Where does systemic venous blood enter the heart? a. right ventricle b. left atrium c. right atrium d. left ventricle