Respiratory System Pft

During a routine health check-up, a 45-year-old individual is advised to undergo pulmonary function tests. What is the primary purpose of using spirometry in this context?

• To determine obstructive or restrictive pulmonary disorders

• To monitor kidney function

• To measure blood oxygen levels

• To assess heart function

During a routine health check-up, a doctor uses a spirometer to assess a patient's lung function. What does the measurement of forced expiratory volume at one second (FEV1) specifically help the doctor evaluate?

• The maximum air forcefully inspired and expired

• The amount of air forcefully expired within the first second of expiration

• The total lung capacity

• The maximum air forcefully inspired

Imagine a professional swimmer preparing for a competition. The coach focuses on improving the swimmer's lung capacity for better performance. Which test measures the maximum air the swimmer can forcefully exhale after a full inhalation?

• The maximum air forcefully inspired

• The total lung capacity

• The amount of air forcefully expired within the first second of expiration

• The maximum air forcefully inspired and expired

John, a respiratory therapist, is assessing a patient's lung function. Which formula should he use to calculate the percentage of normal pulmonary function?

• FEV1/FVC

• FEV1 x FVC

• FVC x FEV1

• FVC/FEV1

In the context of a patient with chronic obstructive pulmonary disease (COPD), a common obstructive pulmonary disorder, how is the FEV1/FVC percentage typically affected?

• Not affected

• Exactly 80%

• Greater than 80%

• Less than 80%

John, a 65-year-old man, has been experiencing shortness of breath and a persistent cough. After visiting his doctor, he was diagnosed with a condition that is categorized as an obstructive pulmonary disorder. Which of the following conditions is John most likely diagnosed with?

• Emphysema

• Pneumonia

• Pulmonary fibrosis

• Tuberculosis

In patients with restrictive pulmonary disorders, such as pulmonary fibrosis, the FEV1/FVC percentage is typically:

• Less than 80%

• Greater than 80%

• Exactly 80%

• Not affected

Imagine a long-term smoker, Alex, who has been diagnosed with chronic obstructive pulmonary disease (COPD). What happens to the elasticity of Alex's lungs as a result of this condition?

• It increases

• It decreases

• It remains the same

• It becomes unpredictable

Imagine a long-term smoker experiencing difficulty in breathing. What happens to the compliance of their lungs in this scenario, which is indicative of an obstructive pulmonary disorder?

• It remains the same

• It becomes unpredictable

• It decreases

• It increases

Imagine a professional diver who is experiencing difficulty in diving deep into the ocean due to a health condition. This condition is affecting the elasticity of their lungs. What happens to the elasticity of the lungs in such restrictive pulmonary disorders?

• It decreases

• It increases

• It remains the same

• It becomes unpredictable