ATI RN
Questions on Respiratory System Questions
Question 1 of 5
Which of the following statements is false?
Correct Answer: D
Rationale: The correct answer is D because carbonic anhydrase catalyzes the conversion of carbon dioxide and water into bicarbonate ions and protons, not the formation of oxyhemoglobin. Step-by-step rationale: 1. Hemoglobin functions as a buffer by binding to hydrogen ions to help regulate pH levels in the blood. 2. Bicarbonate ions do tend to diffuse out of red blood cells into the plasma to maintain the balance of CO2 and pH. 3. The movement of molecules is indeed different in metabolically active tissues (where oxygen is released and CO2 is taken up) compared to the alveoli (where the opposite occurs). Therefore, choices A, B, and C are all correct statements, making D the false statement.
Question 2 of 5
Inflammation of the lungs covering causing severe chest pain is
Correct Answer: B
Rationale: The correct answer is B: Pleurisy. Pleurisy is inflammation of the pleura, the lining around the lungs, causing severe chest pain. Emphysema (A) is a chronic lung condition causing shortness of breath, not chest pain. Asphyxia (C) is a condition of insufficient oxygen, not related to lung inflammation. Hypoxia (D) is low oxygen levels in tissues, not specific to lung covering inflammation. Pleurisy is the only choice directly related to inflammation of the lungs' covering, making it the correct answer.
Question 3 of 5
The metal associated with haemoglobin is
Correct Answer: D
Rationale: The correct answer is D: Iron. Haemoglobin is a protein in red blood cells that carries oxygen throughout the body. Iron is an essential component of haemoglobin, binding to oxygen molecules and facilitating their transport. Sodium, potassium, and calcium do not play a direct role in the structure or function of haemoglobin, making them incorrect choices. Iron deficiency can lead to anemia due to the lack of adequate oxygen-carrying capacity in the blood.
Question 4 of 5
An assistive personnel (AP) was feeding a client with a tracheostomy. Later that evening the UAP reports that the client had a coughing spell during the meal. What action by the nurse is best?
Correct Answer: A
Rationale: Correct Answer: A - Assess the client's lung sounds. Rationale: 1. Assessing lung sounds helps determine if the client is experiencing respiratory distress. 2. Coughing during a meal with a tracheostomy can indicate aspiration or airway obstruction. 3. Prompt assessment can prevent potential complications and guide further interventions. Summary: - B: Assigning a different AP does not address the client's immediate respiratory status. - C: Reporting the AP to the manager is not necessary before assessing the client's condition. - D: Requesting thicker liquids does not address the underlying issue of potential aspiration or airway obstruction.
Question 5 of 5
The nurse is teaching a client with obstructive sleep apnea (OSA) about the prescribed CPAP. What information does the nurse NOT include?
Correct Answer: A
Rationale: The correct answer is A because insurance coverage for CPAP machines is generally not based on the number of hours it is worn per day but rather on medical necessity. The nurse would not include this information as it could lead to misunderstanding and incorrect assumptions. Choice B is incorrect because adjusting the mask may be necessary for comfort. Choice C is correct as CPAP does provide pressure to keep airways open. Choice D is also correct as cleaning the mask regularly is essential to prevent infections.