ATI RN
Questions for Respiratory System Questions
Question 1 of 5
Which statement made by a client with coronary artery disease after the nurse has completed teaching about the therapeutic lifestyle changes (TLC) diet indicates that further teaching is needed?
Correct Answer: D
Rationale: The correct answer is D because red meat is high in saturated fat which can worsen coronary artery disease. Eating it more often contradicts the TLC diet's aim to reduce saturated fat intake. Choice A is correct as walnuts are heart-healthy. Choice B is correct as switching to skim milk reduces saturated fat. Choice C is incorrect as alcohol should be consumed in moderation, not daily.
Question 2 of 5
All of the following shift the oxygen dissociation curve to the right EXCEPT
Correct Answer: C
Rationale: The correct answer is C: Carbon monoxide. Carbon monoxide binds to hemoglobin with a higher affinity than oxygen, shifting the oxygen dissociation curve to the left, not the right. Decreased pH, increased temperature, and increased 2,3 DPG all shift the curve to the right by decreasing hemoglobin's affinity for oxygen. This results in easier unloading of oxygen to tissues.
Question 3 of 5
Before administering ephedrine, Nurse Tony assesses the patient's history. Because of ephedrine's central nervous system (CNS) effects, it is not recommended for:
Correct Answer: D
Rationale: The correct answer is D: Elderly patients. Ephedrine, a sympathomimetic amine, can exacerbate existing CNS conditions in elderly patients, leading to adverse effects like confusion, agitation, and increased risk of falls. Elderly patients are more sensitive to CNS stimulants due to age-related changes in drug metabolism and clearance, making them more susceptible to negative effects. Choices A, B, and C are incorrect because patients with acute asthma attacks may benefit from ephedrine's bronchodilator effects, patients with narcolepsy may benefit from its stimulant properties, and age alone is not a contraindication for ephedrine use.
Question 4 of 5
A nurse instructs a female client to use the pursed-lip method of breathing and the client asks the nurse about the purpose of this type of breathing. The nurse responds, knowing that the primary purpose of pursed-lip breathing is to:
Correct Answer: D
Rationale: The correct answer is D: Promote carbon dioxide elimination. Pursed-lip breathing is a technique used to slow down breathing and help control shortness of breath. By exhaling through pursed lips, it creates back-pressure in the airways, allowing more time for the lungs to empty and facilitating better removal of carbon dioxide. This helps improve oxygenation by optimizing the gas exchange process. Choices A, B, and C are incorrect because pursed-lip breathing primarily focuses on improving ventilation and gas exchange, not specifically on increasing oxygen intake or strengthening specific respiratory muscles.
Question 5 of 5
An oxygen delivery system is prescribed for a client with chronic obstructive pulmonary disease to deliver a precise oxygen concentration. Which of the following types of oxygen delivery systems would the nurse anticipate to be prescribed?
Correct Answer: B
Rationale: The correct answer is B: Venturi mask. The Venturi mask delivers a precise oxygen concentration by mixing oxygen with room air through different sized ports, allowing for accurate oxygen delivery. This is important for patients with COPD who require specific oxygen levels to prevent oxygen toxicity or hypoxemia. A: Face mask delivers a less precise oxygen concentration and may not be suitable for patients who require exact oxygen levels. C: Aerosol mask is used for delivering medications or humidified air, not for precise oxygen concentration. D: Tracheostomy collar is used for patients with a tracheostomy and is not typically used for delivering precise oxygen concentration in COPD.