The parts of the stethoscope that detect sounds are the ________

Which of the following characteristics is least associated with emphysema?

A) Polycythemia B) Cor pulmonale C) Barrel chest appearance D) Productive cough throughout the day

Which teeth should be imaged on an adult molar periapical radiograph?

A) Distal half of canine, first premolar, second premolar, and first molar B) Distal half of first premolar, second premolar, first molar, and second molar C) Distal half of second premolar, first molar, second molar, and third molar D) Distal half of first molar, second molar, and third molar