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HESI LPN · HESI LPN Medical Surgical Nursing · HESI Chapter 15 The Gastrointestinal System Review Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The is a muscular tube that passes food from the mouth to the stomach.

A. esophagus

B. trachea

C. nasopharynx

D. epiglottis

Expert Explanatory Rationale

Correct Answer: esophagus

Question 2 of 5

A 56-year-old Brazilian woman with a history of idiopathic cardiomyopathy presents complaining of weight loss, dysphagia, and regurgitation. A chest x-ray is done that reveals an air-fluid level at the level of the esophagus. No gastric bubble is appreciated. A barium swallow reveals a dilated esophagus that tapers at the lower esophageal sphincter. Which of the following is appropriate in this patient's evaluation/treatment?

A. Refer for partial esophagectomy

B. Thick and thin smears of peripheral blood looking for parasites

C. Therapeutic trial of a proton pump inhibitor

D. Obtain serologic studies for antibodies to Trypanosoma cruzi

Expert Explanatory Rationale

Correct Answer: Obtain serologic studies for antibodies to Trypanosoma cruzi

Question 3 of 5

The whitish tips of filiform papillae consist of:

A. keratinized epithelial tissue

B. collagen

C. mucous

D. taste buds

Expert Explanatory Rationale

Correct Answer: keratinized epithelial tissue

Question 4 of 5

Which part of the digestive system absorbs most of the vitamins and minerals?

A. small intestine

B. large intestine

C. mouth

D. esophagus

Expert Explanatory Rationale

Correct Answer: small intestine

Question 5 of 5

This region of the large intestine has a simple columnar epithelium in its tunica mucosa, smooth muscle in its tunica muscularis, and epiploic appendages attach to its outer surface. This region is called the

A. cecum.

B. colon.

C. rectum.

D. anal canal.

Expert Explanatory Rationale

Correct Answer: colon.

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