ATI LPN
Gastrointestinal System NCLEX Questions Questions
Question 1 of 5
The specific tissue type of the submucosa is
Correct Answer: B
Rationale: The submucosa is composed of dense irregular connective tissue, providing support and flexibility to the alimentary canal.
Question 2 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 3 of 5
In the small intestine, serves as an emulsifying agent.
Correct Answer: B
Rationale: Bile, produced by the liver and stored in the gallbladder, emulsifies fats in the small intestine to aid digestion, making B the correct answer.
Question 4 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 5 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.