CCRN CRITICAL CARE REGISTERED NURSE EXAM LATEST 2023/2024 QUESTIONS AND 100% CORRECT ANSWERS TEST BANK

CCRN CRITICAL CARE REGISTERED NURSE EXAM LATEST 2023/2024 QUESTIONS AND 100% CORRECT ANSWERS TEST BANK -Which of the following ventilator settings is most likely to decrease the work of breathing? A assist-control B pressure support C tidal volume D CPAP {{Ans- Answer:B Pressure support senses the beginning of the patient's spontaneous inspiration and provides a set pressure to assist the inspiratory effort. The primary purpose of the ventilator settings listed in choices(A),(C), and (D) is not to decrease the work of breathing. -A nurse is caring for a patient with an acute inferior wall MI, post coronary artery stent deployment. For optimal care of this patient,the nurse should: Select single answer choice. A administer an analgesic for acute back You selected. B apply a pressure dressing to the You did not select. C continuously monitor the patient in lead II. D maintain the patient in a supine position. {{Ans- Answer: C It is best practice to continuously monitor a patient, who is post coronary artery stent deployment, in the lead that was most abnormal during the acute occlusion. Lead II would most likely meet this criterion for a patient with an inferior wall MI. The remaining interventions are NOT indicated for a patientwho is post coronary artery stent deployment. -A patient with aortic regurgitation will have which of the following upon auscultation? Selectsingle answer choice. A a diastolic murmur, loudest at the fifth intercostal space, midclavicular a systolicmurmur, loudest atthe apex ofthe heart C a diastolicmurmur, loudest at the second intercostal space, rightsternal border D a systolicmurmur, loudest at the base of the heart {{Ans- Answer: C Aortic insufficiency (regurgitation) is the backflow of blood during the time when the aortic valve should be closed. The aortic valve is closed during diastole; therefore, this patient has a diastolic murmur. The aortic area of auscultation is at the base of the heart: the second intercostal space, right sternal border. -A patient has acute kidney injury with fluid overload, and continuous renal replacement therapy(CRRT) has been ordered. Which of the following would indicate the need for CRRT rather than intermittent hemodialysis? Select single answer choice. A hyperkalemia B. a MAP of 45 mmHg C acidosis D severe hypoxemia {{Ans- Answer:B Hemodynamic instability, such as hypotension, is the indication for CRRT since it does not cause the rapid fluid shifts that are seen with intermittent hemodialysis. The remaining choices are not indicationsfor CRRT. -Which of the following patients, who are all receiving mechanical ventilation, is most likely a candidate for a spontaneous awakening trial? Select single answer choice. A a patient who is receiving PRN morphine B a patient who is receiving a propofol infusion