ATI RN
ATI RN Adult Medical Surgical Online Practice 2023 A
1. A client's arterial blood gas results show a pH of 7.3 and a PaCO2 of 50 mm Hg. The client is experiencing which of the following acid-base imbalances?
- A. Metabolic acidosis
- B. Metabolic alkalosis
- C. Respiratory acidosis
- D. Respiratory alkalosis
Correct answer: C
Rationale: In respiratory acidosis, there is an excess of carbon dioxide (PaCO2 > 45 mm Hg) leading to a decrease in pH (<7.35). The given values of a pH of 7.3 and PaCO2 of 50 mm Hg indicate respiratory acidosis. Metabolic acidosis involves a primary decrease in bicarbonate levels with a compensatory decrease in PaCO2 to maintain balance. Metabolic alkalosis is characterized by elevated pH and bicarbonate levels. Respiratory alkalosis is marked by low PaCO2 and increased pH levels.
2. A healthcare professional is caring for a client who has just developed a pulmonary embolism. Which of the following medications should the healthcare professional anticipate administering?
- A. Furosemide
- B. Dexamethasone
- C. Heparin
- D. Atropine
Correct answer: C
Rationale: In the scenario of a pulmonary embolism, the priority medication to administer is Heparin. Heparin is an anticoagulant that helps prevent the formation of new blood clots and the growth of existing ones, which is crucial in managing pulmonary embolism. Furosemide is a diuretic used to treat fluid retention, Dexamethasone is a corticosteroid used for inflammation, and Atropine is an anticholinergic medication used for various purposes such as treating bradycardia.
3. A client is planning to perform nasotracheal suction for a client who has COPD and an artificial airway. Which of the following actions should the nurse take?
- A. Perform suctioning for up to four passes.
- B. Apply suction to the catheter when advancing it into the trachea.
- C. Preoxygenate the client with 100% oxygen for up to 3 min.
- D. Limit each suction pass to 25 seconds.
Correct answer: C
Rationale:
4. A client who is receiving mechanical ventilation and has an ideal weight of 60 kg should have the tidal volume set at which of the following?
- A. 300 mL
- B. 480 mL
- C. 800 mL
- D. 950 mL
Correct answer: B
Rationale: Tidal volume is the amount of air delivered with each breath during mechanical ventilation. A common formula used to calculate tidal volume is 6-8 mL/kg of ideal body weight. For a client with an ideal weight of 60 kg, the expected tidal volume would be 60 kg x 6-8 mL/kg = 360-480 mL. Therefore, the most appropriate choice is 480 mL (Option B), which falls within the expected range based on the client's weight.
5. A nurse in a provider's office is assessing a client. Which of the following findings is not a manifestation of pulmonary tuberculosis?
- A. Night sweats
- B. Low-grade fever
- C. Weight gain
- D. Blood in the sputum
Correct answer: C
Rationale:
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