Answer to Question 1
B
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A The primary prevention level focuses on health promotion and specific protection measures such as immunizations, and the reduction of risk factors such as smoking.
B The secondary prevention level focuses on early detection of disease once pathogenesis has occurred, so that prompt treatment can be initiated to halt disease and limit disability.
C The tertiary prevention level focuses on minimizing residual disability.
D Health promotion is a focus of the primary prevention level.
Answer to Question 2
B
The pulmonary vein carries oxygenated blood to the heart. The pulmonary artery carries deoxygenated blood from the heart to the lungs. Both venae cavae return blood to the right atrium of the heart.