05-24-2010, 10:34 AM
19 y/o man with 2 yrs h/o cystic fibrosis comes to office.he appears thin and cachectic.vitals normal.thr is hyperresonance to percussion of chest.diffuse ronchi heard throughout all lung fields.x-ray film shows hyperinflation of lungs chronic bronchiectacic changs in both upper lung fields. which of the following is most likely to be decreased in patient..?
a.residual lung volume.
b.serum bicarbonate level.
c.sperm count
d.stool fat
e.sweat chloride.
any one plz..thanx a lot in advance..
a.residual lung volume.
b.serum bicarbonate level.
c.sperm count
d.stool fat
e.sweat chloride.
any one plz..thanx a lot in advance..