ATI RN
ATI Med Surg Nurs 300 Day Exam 4 Questions
Extract:
Question 1 of 5
The nurse is caring for a client with the following arterial blood gas (ABG) results: pH 7.17, PaCO2 47 mmHg, Pa02 82 mmHg, HCO3 29 mEq/L. The nurse would interpret these results as:
Correct Answer: B
Rationale: Low pH (7.17) and high PaCO2 (47 mmHg) indicate respiratory acidosis, with elevated HCO3 (29 mEq/L) showing partial compensation.
Question 2 of 5
A client is receiving a continuous infusion of IV insulin at 8 mL/hour. Pharmacy makes an infusion of 75 units of regular insulin in 150 mL of Normal Saline for thisONTINUOUS infusion. How many units per hour is the client receiving? (Round to the nearest whole number)
Correct Answer: A
Rationale: The infusion concentration is 75 units / 150 mL = 0.5 units/mL. At 8 mL/hour, the client receives 8 mL x 0.5 units/mL = 4 units/hour.
Question 3 of 5
The nurse is to begin a nitroglycerin infusion for a client diagnosed with an anterior wall myocardial infarction. Which assessment finding should the nurse report to the provider immediately?
Correct Answer: D
Rationale: A blood pressure of 90/50 mmHg is significantly low and could indicate hypotension, a known side effect of nitroglycerin infusion. This can compromise perfusion to vital organs and may require adjustment or discontinuation of the infusion, making it the most urgent finding to report.
Question 4 of 5
The nurse is providing education for a client diagnosed with myasthenia gravis (MG) taking pyridostigmine. The nurse understands teaching has been effective when the client states, 'I will
Correct Answer: D
Rationale: Taking pyridostigmine 30-60 minutes before meals optimizes muscle strength during eating, which is critical for clients with myasthenia gravis to manage swallowing difficulties.
Question 5 of 5
The nurse is caring for a client in acute respiratory distress syndrome (ARDS). The chest x-ray displays evidence of pulmonary edema. The nurse assesses the client for which clinical manifestation?
Correct Answer: C
Rationale: Tachypnea is a hallmark of ARDS due to impaired gas exchange from pulmonary edema, as the body compensates for decreased oxygenation by increasing respiratory rate.