ATI LPN
Cardiovascular System Questions Questions
Question 1 of 5
After a hemicolectomy to remove a colon carcinoma, a 53-year-old man develops respiratory distress. He is intubated and receives mechanical ventilation with 100% oxygen. Three days later, his arterial oxygen saturation decreases. A chest radiograph shows increasing opacification in all lung fields. A transbronchial lung biopsy specimen shows hyaline membranes lining distended alveolar ducts and sacs. Which of the following most likely represents the fundamental mechanism underlying these morphologic changes?
Correct Answer: D
Rationale: Acute respiratory distress syndrome (ARDS) post-surgery involves leukocyte-mediated endothelial injury, leading to hyaline membranes and diffuse alveolar damage.
Question 2 of 5
When engineers brainstorm together as a team, they make sure to
Correct Answer: B
Rationale: Effective brainstorming involves generating many ideas and building on them collaboratively, not criticizing or limiting focus.
Question 3 of 5
What assessment finding would require the nurse to stop the infusion and notify the provider if a client is receiving lidocaine IV for ventricular dysrhythmias?
Correct Answer: B
Rationale: A widened QRS complex indicates potential worsening of the dysrhythmia or toxicity.
Question 4 of 5
How should the nurse respond if a patient taking spironolactone asks if they can use a salt substitute?
Correct Answer: B
Rationale: Salt substitutes often contain potassium, which can lead to hyperkalemia when used with potassium-sparing diuretics like spironolactone.
Question 5 of 5
The human heart acts as a pump.
Correct Answer: A
Rationale: The heart's primary function is to pump blood throughout the circulatory system.