Within one second after initiating a forced vital capacity (FVC) maneuver, a patient with normal lungs should be able exhale what percent of the FVC?

The therapist is measuring a patient's tidal volume as the patient receives mechanical ventilation. The pneumotachometer being used is a differential pressure flowmeter type incorporated in the system of the mechanical ventilator, which is currently administering 100% O2 to the patient. By what percent will the measurement be in error because of the 100% O2?

A. 5% B. 12% C. 16% D. 21%

Which of the following is NOT an antitumor antibiotic?

A) valrubicin B) plicamycin C) mitoxantrone D) mercaptopurine