ATI LPN
Gastrointestinal System NCLEX Questions Questions
Question 1 of 5
Which of the following best describes the mechanism of action of heparin?
Correct Answer: C
Rationale: Heparin enhances antithrombin activity, inhibiting thrombin and factor Xa, not cyclo-oxygenase (which is aspirin's mechanism), making C the best answer despite the option being incomplete.
Question 2 of 5
Which of the following radiographic changes represents stage 1 of pulmonary sarcoidosis?
Correct Answer: D
Rationale: Stage 1 sarcoidosis is characterized by bilateral hilar lymphadenopathy without parenchymal involvement, making D the correct answer.
Question 3 of 5
A 64-year-old patient with an infective exacerbation of COPD was treated with nebulisers, oral steroids and oral doxycycline. What advice would you give with regards to doxycycline?
Correct Answer: A
Rationale: Doxycycline for COPD exacerbation is typically 100-200 mg daily for 5-7 days, best at bedtime to avoid GI upset, making A the correct answer.
Question 4 of 5
Which regimen is most effective to treat H. pylori?
Correct Answer: C
Rationale: Regimen A fails to include an H2-blocker or proton-pump inhibitor. Regimen B uses only two drugs, and two drugs are not as effective as three- or four-drug regimens for eradicating H. pylori. Regimen D treats only for 7 days, when 10 to 14 days regimens have been shown to have greater efficacy. Regimen C is recommended by the FDA for the eradication of H. pylori. Answer E is not a regimen that has been tested.
Question 5 of 5
A 26-year-old woman has been using a PPI every morning to control moderate GERD symptoms. She reports awakening at night with a nonproductive cough several times per week. Correct statements include all except
Correct Answer: B
Rationale: Patients with nocturnal GERD symptoms most likely have nonerosive esophagitis, thus deep ulcerations are not likely to be found.