What are the initial symptoms of lung cancer?
A)dyspnea and blood-tinged sputum
B)none because symptoms develop late in the course of the disease
C)orthopnea and central cyanosis
D)pain with respiratory effort

Question

Quizplus · Accepted Answer

Both lung and laryngeal cancers are closely related to smoking tobacco products.Air pollution and exposure to carcinogens also contribute to development of lung cancer;chronic alcohol abuse,chronic laryngitis,and vocal overuse contribute to development of laryngeal cancer as well.Both lung and laryngeal cancers are often initially asymptomatic.

What Are the Initial Symptoms of Lung Cancer