ATI RN
ATI Advanced Med Surg Exam 3 Questions
Extract:
Question 1 of 5
Which of the following medications is commonly used for afterload reduction in critical care?
Correct Answer: A
Rationale: Nitroglycerin reduces afterload by dilating blood vessels, decreasing systemic vascular resistance, and improving cardiac output.
Question 2 of 5
A patient with septic shock has a BP of 70/46 mm Hg, pulse of 136 beats/min, respirations of 32 breaths/min, temperature of 104°F, and blood glucose of 246 mg/dL. Which intervention ordered by the health care provider should the nurse implement first?
Correct Answer: C
Rationale: Fluid resuscitation with normal saline is the priority in septic shock to address hypotension and restore perfusion.
Question 3 of 5
Mr Jones came to the ER complaining of chest palpitations. He states his heart feels like it is 'racing'. The nurse found the following rhythm on the monitor. What is the next step would the nurse expect to take first?
Correct Answer: B
Rationale: The Valsalva maneuver, such as blowing into a syringe, can stimulate the vagus nerve to slow supraventricular tachycardia, making it the first non-invasive step.
Question 4 of 5
A nurse is interpreting a client's ECG strip. Which of the following components of the ECG should the nurse examine to determine the time it takes for ventricular depolarization and repolarization?
Correct Answer: B
Rationale: The QT interval measures the time for ventricular depolarization and repolarization, from QRS onset to T wave end.
Question 5 of 5
A nurse is evaluating the central venous pressure (CVP) of a client who has sustained multiple traumas. Which of the following interpretations of a low CVP pressure should the nurse make?
Correct Answer: C
Rationale: Low CVP indicates reduced venous return, consistent with hypovolemia from trauma-related blood loss.