In which of the following locations can pleural rubs be heard clearly? A: Lung apex B: Upper lateral sections of chest C: Interscapular area D: Lower anterior thoracic wall E: Upper anterior thoracic wall

The bronchovesicular sound can be heard in A: the first and second interspace near the sternum B: the sixth and seventh cervical vertebrae in the back C: the interscapular region at the level of the third and fourth thoracic spines D: anterior and posterior of the apex of the lung E: inframammary area