The diffusion of gas inside the lungs is dependent on two liquids: water and surfactant. Without the surfactant lining the inner surface of the alveoli, what would most likely happen? (2 points) Air would not reach the bronchioles.
Air would be trapped in the bronchioles.
The lungs would over inflate.
The lungs would lack the pressure needed to inflate.

An 80-year-old woman comes to the urgent care clinic with dyspnoea on exertion. on physical examination, her blood pressure is 100/70, and her pulse is 75. she has no pulsus paradoxus. her jugular veins are distended, and she has distant heart sounds. in addition, she has extra third and fourth heart sounds. her liver is enlarged, and she has pedal oedema. she has occasional premature ventricular contractions on her electrocardiogram. a chest x-ray reveals clear lung fields with a dilated cardiac silhouette. her echocardiogram reveals ventricular walls with a "speckled pattern". which of the following is the most likely diagnosis? - alcoholic cardiomyopathy- amyloidosis- haemochromatosis- tuberculosis- viral myocarditis