ATI LPN
NCLEX Questions on Gastrointestinal System Questions
Question 1 of 5
Most of the nutrient absorption along the alimentary canal occurs in the
Correct Answer: C
Rationale: The jejunum is the primary site for nutrient absorption due to its large surface area from villi and microvilli.
Question 2 of 5
The pancreas is stimulated to release its secretions by
Correct Answer: D
Rationale: Secretin, released from the duodenum, stimulates the pancreas to secrete bicarbonate and enzymes to neutralize acidic chyme.
Question 3 of 5
The primary function of the stomach is:
Correct Answer: B
Rationale: The stomach stores food, mechanically churns it, and begins protein digestion with enzymes like pepsin, making B the correct answer.
Question 4 of 5
Which of the following factors registers a score of 3 in the Well's Score for diagnosis of pulmonary embolism (PE)?
Correct Answer: A
Rationale: In the Wells Score for PE, clinical symptoms of DVT or PE as the most likely diagnosis scores 3; heart rate >100 scores 1.5, making A the closest match among options.
Question 5 of 5
Which of the following statements relating to asthma is most accurate?
Correct Answer: C
Rationale: Asthma can cause breathlessness worse when lying flat due to airway obstruction, making C the most accurate statement.