Test on Forced Spirometry: Diagnosis of Lung Disorders
Forced Spirometry: Diagnosis of Lung Disorders - Student Guide
Test: Pulmonary Function Testing (Spirometry)
20 questions
Question 1: In an individual with an obstructive pulmonary disorder, the FEV at 1 second on a spirometry graph is expected to be significantly lower than that of a normal individual.
A. Ano
B. Ne
Explanation: The study materials indicate that for individuals with obstructive pulmonary disorders, their FEV at 1 second will be decreased. The speaker states, "Okay, so these individuals, you're going to see that they're going to have a decrease in the FEV at 1 second and this is categorized during obstructive pulmonary disorders." They also visually demonstrate this by drawing a new curve where the FEV at 1 second is "a lot less than four" (the normal value mentioned earlier).
Question 2: The FEV1/FVC ratio is determined by dividing the forced expiratory volume at 1 second by the forced vital capacity and then multiplying the resulting decimal by 100.
A. Ano
B. Ne
Explanation: The study materials explicitly state the formula: "if we take the forced expiratory volume right at one second and I put that over the force vital capacity... whatever answer we get out of this, let's multiply it by 100 and we'll get a nice percentage."
Question 3: The Forced Vital Capacity (FVC) measurement specifically quantifies the amount of air an individual can forcefully expire within the first second of expiration.
A. Ano
B. Ne
Explanation: The study materials define Forced Vital Capacity (FVC) as 'the total volume of air that you can forcefully inspire and expire.' The measurement that quantifies the amount of air forcefully expired within the first second of expiration is the Forced Expiratory Volume at 1 second (FEV1).
Question 4: In individuals with emphysema, the destruction of elastic tissue primarily leads to an increased ability for the lungs to recoil.
A. Ano
B. Ne
Explanation: The study materials state that in emphysema, elastic tissue is destroyed, which causes the lung to lose its inward recoil. This means the ability to recoil decreases, making it difficult to get air out.
Question 5: In individuals with an obstructive pulmonary disorder, the elasticity of the lungs increases, while lung compliance decreases.
A. Ano
B. Ne
Explanation: The study materials state that in someone who has an obstructive pulmonary disorder (like emphysema), the elasticity of the lungs decreases, and the compliance of the lungs increases. This is the opposite of the statement provided.