What is considered the gold standard for measuring pulmonary hypertension?

• X-ray

• Threading a catheter into the heart

• Arterial blood gas analysis

• Echocardiogram

Which heart chamber receives deoxygenated blood from the right ventricle?

• Left atrium

• Right atrium

• Left ventricle

• Lungs

What can an echocardiogram reveal about the heart?

• The efficiency of gas exchange

• The thickness of lung vessels

• The presence of lung scarring

• The function of the right ventricle and left atrium

What does an x-ray help identify in patients with pulmonary hypertension?

• The thickness of lung vessels

• The efficiency of the heart's pumping

• The amount of oxygen in the blood

• The function of the left ventricle

Which test measures the balance of oxygen and carbon dioxide in the blood?

• Arterial blood gas analysis

• Echocardiogram

• Pulmonary function test

• X-ray