Ten Quiz Questions on the Basics of Pulmonary Hypertension
Question 1: Hemodynamic Definition
What is the current hemodynamic definition of pulmonary hypertension?
A) Mean pulmonary artery pressure (mPAP) ≥25 mmHg
B) Mean pulmonary artery pressure (mPAP) >20 mmHg
C) Systolic pulmonary artery pressure ≥40 mmHg
D) Mean pulmonary artery pressure (mPAP) ≥30 mmHg
Question 2: Pre-capillary PH Criteria
Which hemodynamic criteria define pre-capillary pulmonary hypertension?
A) mPAP >20 mmHg, PAWP >15 mmHg, PVR >2 WU
B) mPAP >20 mmHg, PAWP ≤15 mmHg, PVR >2 WU
C) mPAP ≥25 mmHg, PAWP ≤15 mmHg, PVR >3 WU
D) mPAP >20 mmHg, PAWP ≤12 mmHg, PVR >3 WU
Answer: B 1
Question 3: Clinical Classification Groups
How many major clinical groups are included in the classification of pulmonary hypertension?
A) Three groups
B) Four groups
C) Five groups
D) Six groups
Question 4: Most Common Form
Which clinical group represents the most common form of pulmonary hypertension?
A) Pulmonary arterial hypertension (Group 1)
B) PH due to left heart disease (Group 2)
C) PH due to lung diseases (Group 3)
D) Chronic thromboembolic PH (Group 4)
Question 5: Diagnostic Gold Standard
What is the essential diagnostic test for accurate diagnosis and classification of pulmonary hypertension?
A) Transthoracic echocardiography
B) CT pulmonary angiography
C) Right heart catheterization
D) Ventilation-perfusion scan
Question 6: CTEPH Screening
Which test should all patients with suspected pulmonary arterial hypertension undergo to exclude chronic thromboembolic pulmonary hypertension?
A) CT pulmonary angiography
B) Ventilation-perfusion (V/Q) scan
C) Pulmonary angiography
D) D-dimer testing
Answer: B 4
Question 7: Genetic Mutations
Which gene mutation is most commonly associated with heritable pulmonary arterial hypertension?
A) EIF2AK4
B) BMPR2
C) SMAD9
D) CAV1
Answer: B 3
Question 8: Therapeutic Pathways
Which three therapeutic pathways are targeted by current PAH-specific therapies?
A) Nitric oxide, prostacyclin, and endothelin pathways
B) Calcium, potassium, and sodium channels
C) Renin-angiotensin, sympathetic, and parasympathetic systems
D) Inflammatory, fibrotic, and thrombotic pathways
Question 9: Exercise PH Definition
What defines exercise pulmonary hypertension according to current guidelines?
A) mPAP >25 mmHg during exercise
B) mPAP/cardiac output slope >3 mmHg/L/min between rest and exercise
C) Systolic PAP >50 mmHg during exercise
D) PVR >5 WU during exercise
Answer: B 1
Question 10: Global Prevalence
What is the estimated prevalence of pulmonary hypertension in the global population?
A) 0.1% (1 in 1,000)
B) 1% (1 in 100)
C) 5% (1 in 20)
D) 10% (1 in 10)