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 (D) 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 (A) Signup and view all the answers

At what age is secondary pulmonary hypertension more frequently encountered?

Over the age of 50 years (A) 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 (D) Signup and view all the answers

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

5 litres (D) Signup and view all the answers

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

Elastic recoil (A) Signup and view all the answers

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

100 mmHg (A) Signup and view all the answers

How many beats does the heart make per year?

40 million times (C) Signup and view all the answers

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

250-300 gm (A) Signup and view all the answers

What is the thickness of the left ventricular wall?

1.3 to 1.5 cm (B) 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 (A) Signup and view all the answers