ATI RN
Questions About the Respiratory System Questions
Question 1 of 5
Each of the following factors affects the rate of external respiration except the
Correct Answer: D
Rationale: The correct answer is D: PN2 of the alveoli. The rate of external respiration is primarily influenced by the partial pressure of oxygen (PO2) in the alveoli, as it drives oxygen diffusion into the blood. PCO2 affects the removal of carbon dioxide. The thickness of the respiratory membrane impacts gas exchange efficiency. However, PN2 does not significantly impact gas exchange in the lungs, as nitrogen (N2) is inert and does not participate in gas exchange. Thus, PN2 of the alveoli does not affect the rate of external respiration.
Question 2 of 5
One way to improve respiratory performance with age is to
Correct Answer: B
Rationale: The correct answer is B: stop smoking. Smoking can damage the lungs and reduce respiratory function. By quitting smoking, lung health can improve, leading to better respiratory performance with age. Eating smaller meals, sleeping longer, and maintaining normal glucose levels do not directly impact respiratory performance. Smoking cessation is the most effective way to improve lung function and overall respiratory health.
Question 3 of 5
What dietary recommendation is often given to heart failure patients to manage their condition?
Correct Answer: D
Rationale: The correct answer is D: Low-sodium diet. Sodium can exacerbate fluid retention in heart failure patients, leading to increased workload on the heart. A low-sodium diet helps reduce fluid retention and manage symptoms. High-sodium diet (A) is detrimental to heart failure patients. Low-fat diet (B) and low-sugar diet (C) may be beneficial for overall health but are not specific recommendations for managing heart failure.
Question 4 of 5
The left lung has two lobes and they are separated by Deep fissure called .
Correct Answer: B
Rationale: The correct answer is B: oblique fissure. The left lung has two lobes, the upper lobe and the lower lobe, which are separated by the oblique fissure. This fissure extends obliquely downward and forward from the posterior border of the lung. Rationale: 1. The horizontal fissure separates the right lung into upper and middle lobes, not the left lung. 2. There is no such structure as a vertical fissure in the human lung anatomy. 3. "Non of them" is grammatically incorrect and does not provide a valid option.
Question 5 of 5
which factors affect on exercise.
Correct Answer: D
Rationale: The correct answer is D, "All of the above." Body temperature (A) is a factor as it affects how efficiently muscles work during exercise. Smoking (B) can negatively impact exercise performance and overall health. Physical exercise (C) is an obvious factor that directly influences exercise outcomes. Therefore, all three factors are interconnected and collectively influence an individual's exercise capacity and performance.