A patient's chest radiograph indicates a pleural effusion in the left side of the chest.Which of the following percussion notes may be heard over the effusion?
I.Dullness
II.Flatness
III.Hyperresonance
IV.Resonance

Question

Quizplus · Accepted Answer

Dullness is a sound of medium intensity and pitch with a short duration.It is heard over areas containing a greater proportion of tissue or fluid than of air.This occurs in the lungs as a result of consolidation,atelectasis,or the presence of fluid in the pleural space.Flatness is a sound of low amplitude and pitch.It is heard over areas containing a greater proportion of tissue than of air.Frequently,flatness is an indication of pleural effusion or any fluid in the pleural space.

A Patient's Chest Radiograph Indicates a Pleural Effusion in the Left