An area of the lung has no blood flow but is normally ventilated. Which of the following statements are true about this area?1. The alveolar gas is like air (PO2 = 150; PCO2 = 0).2. The area represents alveolar dead space.3. The/is elevated.

In the presence of an acutely reduced arterial O2 content (hypoxemia), normal O2 delivery to the tissues can be maintained by which of the following?

Disorders that can lead to alveolar dead space include1. pulmonary emboli.2. partial obstruction of the pulmonary vasculature.3. destroyed pulmonary vasculature.4. increased cardiac output.

If a patient has a VT of 370 ml and a respiratory rate of 20 breaths/min, what is the minute ventilation?

A patient has a VT of 625 ml and a physiological dead space of 275 ml and is breathing at a frequency of 16/min. What is the alveolar ventilation (VA)?

If a patient has a VT of 500 ml and a physiological dead space of 200 ml with a respiratory rate of 20 breaths/min, What is the alveolar ventilation (VA)?

There is no specific screening test recommendation for lung cancer.

What hormone helps protect women from developing heart disease until a later age than men?

How does smoking affect the cardiovascular system?

What are the six major risk factors for cardiovascular disease that people can change?