ATI LPN
Gastrointestinal System NCLEX Questions Questions
Question 1 of 5
The physical and chemical breakdown of food is completed primarily in the
Correct Answer: B
Rationale: The small intestine completes digestion with pancreatic enzymes and bile, followed by nutrient absorption.
Question 2 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 3 of 5
Which of the following statements is correct regarding obstructive sleep apnoea (OSA)?
Correct Answer: B
Rationale: Hypopnoea's definition aligns with B, making it the most correct statement; OSA prevalence is higher (2-4%), and it's more common in men.
Question 4 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 5 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.