ATI LPN
Gastrointestinal System Questions and Answers Questions
Question 1 of 5
Which of the following statements about a tooth is NOT correct?
Correct Answer: B
Rationale: The pulp cavity is vascular and innervated, not avascular, making this statement incorrect.
Question 2 of 5
Which of the following best describes the mechanism of action of streptokinase?
Correct Answer: B
Rationale: Streptokinase forms a complex with plasminogen to convert it to plasmin, which degrades fibrin clots, making B (tissue plasminogen activation) the correct answer.
Question 3 of 5
In a patient with an office blood pressure (BP) measured as above 140/90 mmHg, which of the following should be used to confirm a diagnosis of hypertension?
Correct Answer: C
Rationale: Ambulatory BP>=135/85 mmHg confirms hypertension per guidelines, making C the correct answer.
Question 4 of 5
Which of the following drug and loading dose combinations are recommended for immediate antiplatelet therapy of an NSTEMI?
Correct Answer: A
Rationale: For NSTEMI, guidelines recommend aspirin 300 mg and clopidogrel 300 mg loading doses, making A the correct answer.
Question 5 of 5
A 72-year-old patient with lifelong asthma and dilated cardiomyopathy from a viral infection complains of worsening symptoms of shortness of breath. He is on optimal treatment for asthma. His echocardiogram confirms heart failure with an ejection fraction of 30%, which is thought to account for his breathlessness. He has minimal wheeze, bi-basal crackles and oxygen saturations of 95% on air. He is on Furosemide 80 mg twice daily and, ramipril 5 mg once daily with normal renal function. What would be an ideal initial step for this patient?
Correct Answer: D
Rationale: A beta-blocker (e.g., bisoprolol) trial improves mortality in HFrEF (EF 30%), making E the best initial step with normal renal function.