____ occurs when the ventilated alveoli are not adequately perfused by pulmonary circulation.

Records gathered directly from the patient and his or her providers that document the patient's history and state of health are:

A) original records. B) secondary records. C) data records. D) primary records. E) research records.

Which of the following is referred to as "bad cholesterol"?

A) HDL cholesterol B) LDL cholesterol C) cholesterol ratio D) total cholesterol