ATI LPN
NCLEX Questions Gastrointestinal System Questions
Question 1 of 5
The liver is located in the abdomen and performs many functions. Which of the following is NOT a function of the liver?
Correct Answer: B
Rationale: The liver stores glycogen , produces bile , and can regenerate , but insulin is made by the pancreas, not the liver, making B correct.
Question 2 of 5
Where does the digestion of starch begin?
Correct Answer: C
Rationale: Starch digestion begins in the mouth with salivary amylase, making C correct.
Question 3 of 5
Which of the following contributes to the digestion of lipids?
Correct Answer: C
Rationale: The gallbladder releases bile to emulsify lipids, making C correct.
Question 4 of 5
The pH of various areas within the digestive tract was taken and plotted on a graph as shown above. The reading labelled X was most likely obtained from the
Correct Answer: B
Rationale: A low pH reading (X) matches the acidic stomach environment, making B correct.
Question 5 of 5
Which of the following structures does food enter after it leaves the esophagus?
Correct Answer: C
Rationale: Food enters the stomach after the esophagus, making C correct.