WorksheetsAging and the Cardiopulmonary System Quiz
Total questions: 10
Worksheet time: 5mins
At what age does the growth and development of lungs essentially complete?
Around 40 years
Around 30 years
Around 50 years
Around 20 years
What happens to the elastic recoil of lungs with aging?
It increases
It remains the same
It decreases
It fluctuates
What is the term used to describe the ability of the lungs to stretch and expand?
Compliance
Elasticity
Resilience
Flexibility
What structural changes occur in the alveoli with aging?
They remain the same
They multiply and shrink
They become smaller and rigid
They deteriorate and enlarge
What happens to the lung volumes and capacities with aging?
They decrease
They increase
They remain the same
They fluctuate
What is the main reason for the increase in alveolar dead space ventilation with aging?
Decreased cardiac index
Structural alterations of pulmonary capillaries
Increased lung compliance
Loss of lung elasticity
What happens to the alveolar-arterial oxygen tension difference (P(A-a)O2) with age?
It increases
It decreases
It fluctuates
It remains the same
What is the normal minimum low P a O2 after 45 years of age?
Greater than 90 mmHg
Between 75 and 90 mmHg
Less than 75 mmHg
It varies depending on age
What happens to the ventilatory rate and heart rate responses to hypoxia and hypercapnia with age?
They increase
They remain the same
They decrease
They fluctuate
What happens to the stroke volume and cardiac output with age?
They decrease
They remain the same
They fluctuate
They increase
