ATI LPN
Upper Gastrointestinal System NCLEX Questions Questions
Question 1 of 5
Submucosa of the digestive tract consists primarily of:
Correct Answer: A
Rationale: The submucosa is primarily loose connective tissue, allowing flexibility and housing glands and vessels.
Question 2 of 5
The papillae covering most of the top surface of the human tongue (the tips of these papillae are whitish in life) are called:
Correct Answer: C
Rationale: Filiform papillae are the most numerous, with whitish tips due to keratinization.
Question 3 of 5
Simple tubular glands within the mucosa of the small or large intestine are called intestinal:
Correct Answer: D
Rationale: Crypts (of Lieberkühn) are tubular glands in the intestinal mucosa.
Question 4 of 5
Choose the best description of the colon.
Correct Answer: D
Rationale: The colon has no villi, with crypts and abundant goblet cells for mucus production.
Question 5 of 5
Which of the following regions of the GI tract is characterized by villi?
Correct Answer: C
Rationale: The small intestine (duodenum, jejunum, ileum) has villi for absorption.