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Secondary Pulmonary Hypertension Causes

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Questions and Answers

What is secondary pulmonary hypertension?

A type of pulmonary hypertension occurring only in children

Pulmonary hypertension occurring secondary to a recognised lesion in the heart or lungs (correct)

Pulmonary hypertension occurring due to an unknown lesion

A type of pulmonary hypertension with no known cure

What is the mechanism underlying passive pulmonary hypertension?

Heart defects at birth

Increased blood flow to the pulmonary arteries

Diseases that raise pressure in the pulmonary veins (correct)

Infections in the lungs

What is hyperkinetic pulmonary hypertension caused by?

Infections in the lungs

Blood entering the pulmonary arteries in greater volume or at a higher pressure (correct)

Increased blood volume in the pulmonary veins

Heart defects acquired later in life

What is pneumonia defined as?

Acute inflammation of the lung parenchyma distal to the terminal bronchioles Signup and view all the answers

What protects the lungs from bacteria?

Nasopharyngeal filtering action, mucociliary action of the lower respiratory airways, and the presence of phagocytosing alveolar macrophages and immunoglobulins Signup and view all the answers

At what age is secondary pulmonary hypertension more frequently encountered?

Over the age of 50 years Signup and view all the answers

What is the primary function of the cardiovascular system?

To pump oxygen and nutrients to the body's cells Signup and view all the answers

What is the approximate volume of blood in the average person?

5 litres Signup and view all the answers

What adaptation allows the aorta to maintain blood flow during diastole?

Elastic recoil Signup and view all the answers

What is the minimum blood pressure on the arterial side of the circulation?

100 mmHg Signup and view all the answers

How many beats does the heart make per year?

40 million times Signup and view all the answers

What is the average weight of the heart in an adult female?

250-300 gm Signup and view all the answers

What is the thickness of the left ventricular wall?

1.3 to 1.5 cm Signup and view all the answers

What is the pathway of blood flow through the heart?

right atrium → right ventricle → pulmonary arteries → lungs → pulmonary veins → left atrium → left ventricle → aorta Signup and view all the answers

What is the function of the interatrial septum?

To separate the right and left atria Signup and view all the answers

What is the most common type of heart disease in early life?

Congenital heart disease Signup and view all the answers

What is the name of the branch of the left coronary artery that supplies most of the apex of the heart?

Anterior descending branch Signup and view all the answers

How many major coronary trunks supply blood to the heart?

3 Signup and view all the answers