ATI LPN
Cardiovascular Questions Questions
Question 1 of 5
Which one of the following has the longest duration of action?
Correct Answer: B
Rationale: Anistreplase has a longer duration due to its complex with plasminogen.
Question 2 of 5
A 45-year-old male with a family history of hyperlipidemia and heart disease comes to the ER diaphoretic and chest pain radiating to his left arm. An ECG shows ST segment elevation in leads II, III, and aVF. The doctor administers Alteplase intravenously. How does Alteplase work?
Correct Answer: B
Rationale: Alteplase activates plasminogen to plasmin, dissolving clots.
Question 3 of 5
The most important factor for stretching cardiac muscle is ___
Correct Answer: C
Rationale: End diastolic volume determines the degree of stretch on cardiac muscle fibers prior to contraction, influencing stroke volume via the Frank-Starling law.
Question 4 of 5
One day after moving into a new apartment, a 25-year-old man experiences acute onset of fever, cough, dyspnea, headache, and malaise. The symptoms subside over several days when he visits a friend in another city. On the day of his return he visits the physician. There are no remarkable findings on physical examination. A chest radiograph also is unremarkable. Which of the following is most likely to produce these findings?
Correct Answer: D
Rationale: Hypersensitivity pneumonitis (e.g., from mold exposure) causes transient symptoms like fever and cough, resolving upon removal from the antigen source, with histamine release driving inflammation.
Question 5 of 5
Which medication would the nurse recognize as increasing the patient's risk for hypokalemia?
Correct Answer: B
Rationale: Bumetanide is a loop diuretic. Hypokalemia is a common adverse effect of this medication.