ATI RN
Respiratory System Test Questions Questions
Question 1 of 5
Which of these statements is false regarding Pulmonary Resistance?
Correct Answer: C
Rationale: Rationale for Correct Answer (C): - Increase of lung volume results in decrease, not increase, in resistance in extra alveolar vessels due to increased recruitment of capillaries. - This is known as distension recruitment, which helps reduce resistance in extra alveolar vessels. - Increased lung volume also helps to distribute blood flow more evenly in the lungs, reducing resistance. - Therefore, statement C is false. Summary of Incorrect Choices: A: True - increase in pulmonary arterial pressure generally causes a fall in pulmonary resistance due to vessel dilation. B: True - pulmonary resistance is indeed lower than systemic circulation resistance due to shorter pulmonary vascular bed. D: True - acetylcholine causes bronchiole smooth muscle contraction, not relaxation.
Question 2 of 5
When caring for a male patient who has just had a total laryngectomy, the nurse should plan to:
Correct Answer: B
Rationale: The correct answer is B: Develop an alternative communication method. After a total laryngectomy, the patient loses the ability to speak. Developing an alternative communication method such as using a communication board or electronic device is crucial for effective communication. Encouraging oral feeding (A) is not appropriate initially due to the risk of aspiration. Keeping the tracheostomy cuff fully inflated (C) can obstruct airflow, and keeping the patient flat in bed (D) can lead to respiratory complications. Developing an alternative communication method is essential for the patient's emotional well-being and quality of life.
Question 3 of 5
A male client who weighs 175 lb (79.4 kg) is receiving aminophylline (Aminophylline) (400 mg in 500 ml) at 50 ml/hour. The theophylline level is reported as 6 mcg/ml. The nurse calls the physician who instructs the nurse to change the dosage to 0.45 mg/kg/hour. The nurse should:
Correct Answer: A
Rationale: The correct answer is A: Question the order because it's too low. To determine the correct dosage, calculate the current dosage the client is receiving (400 mg in 500 ml at 50 ml/hour). Then calculate the new dosage using the client's weight (79.4 kg). Comparing the two dosages, if the new order is significantly lower than the current dosage, it may not be appropriate for the client's condition. Therefore, the nurse should question the physician's order to ensure the client is receiving an adequate dose. Choices B, C, and D are incorrect because they do not address the discrepancy in dosage and the need to verify the appropriateness of the new order based on the client's weight and current medication regimen.
Question 4 of 5
A 68-year-old male is being admitted to the hospital for an exacerbation of his COPD. The nurse is developing his plan of care. The nurse can expect that this client will?
Correct Answer: C
Rationale: The correct answer is C: Require frequent rest periods throughout the day. This is because patients with COPD often experience shortness of breath and fatigue, necessitating frequent rest periods to conserve energy and manage symptoms. Oxygen therapy is typically started at a lower flow rate (2-4 L/min) to avoid suppressing the patient's respiratory drive, so option A is not appropriate. Respiratory isolation is unnecessary for COPD exacerbation, as it is not a contagious condition, making option B incorrect. Fluid restriction is not typically indicated for COPD exacerbation unless the patient has comorbid conditions like heart failure, so option D is not the priority.
Question 5 of 5
A client is found to be allergic to Chinese food, which causes acute asthma. Which of the following instructions should the nurse give the client?
Correct Answer: C
Rationale: Rationale: Choice C is correct because avoiding Chinese food, a known trigger for the client's acute asthma, is crucial to prevent future asthma attacks. By eliminating the trigger, the client can reduce the risk of allergic reactions and asthma exacerbations. Summary: A: Incorrect. Eating Chinese food once a month still exposes the client to the trigger, increasing the risk of asthma attacks. B: Incorrect. Using inhalers before eating Chinese food may help manage symptoms temporarily but does not address the root cause of the allergic reaction. D: Incorrect. Dismissing the client's known trigger without further investigation can lead to serious health consequences.