ATI RN
ATI Gastrointestinal System
1. A nurse is caring for a client diagnose with pancreatitis. The nurse anticipates that the client would not experience an elevation of which of the following enzymes?
- A. Lipase
- B. Lactase
- C. Amylase
- D. Trypsin
Correct answer: B
Rationale: Lactase is produced in the small intestine and aids in splitting neutral fats into glycerol and fatty acids. Lipase, amylase, and trypsin are produced in the pancreas and aid in the digestion of fats, starches, and proteins, respectively.
2. A nurse is reviewing the results of serum laboratory studies drawn on a client who is suspected of having hepatitis. The nurse interprets that an elevation in which of the following studies is the most specific indicator of the disease?
- A. Erythrocyte sedimentation rate
- B. Serum bilirubin
- C. Hemoglobin
- D. Blood urea nitrogen
Correct answer: C
Rationale: Laboratory indicators of hepatitis include elevated liver enzymes, serum bilirubin level, and erythrocyte sedimentation rate is nonspecific test that indicates the presence of inflammation somewhere in the body. Elevated blood urea nitrogen may indicate renal dysfunction. A hemoglobin level is unrelated to this diagnosis.
3. While caring for a client with peptic ulcer disease, the client reports that he has been nauseated most of the day and is now feeling lightheaded and dizzy. Based upon these findings, which nursing actions would be most appropriate for the nurse to take?
- A. Administering an antacid hourly until nausea subsides.
- B. Monitoring the client's vital signs
- C. Notifying the family and friends of the client's symptoms
- D. Initiating oxygen therapy
Correct answer: B
Rationale: Monitoring the client's vital signs and notifying the physician of the client's symptoms are crucial actions based on the reported symptoms.
4. The hospitalized client with gastroesophageal reflux disease is complaining of chest discomfort that feels like heartburn following a meal. After administering an ordered antacid, the nurse encourages the client to lie in which of the following positions?
- A. Supine with the head of the bed flat
- B. On the stomach with the head flat
- C. On the left side with the head of the bed elevated 30 degrees
- D. On the right side with the head of the bed elevated 30 degrees
Correct answer: C
Rationale: The discomfort of reflux is aggravated by positions that compress the abdomen and the stomach. Lying flat on the back (supine) or on the stomach (prone) after a meal can exacerbate symptoms. Similarly, lying on the right side can worsen reflux. The most appropriate position to alleviate discomfort in a client with gastroesophageal reflux disease is lying on the left side with the head of the bed elevated at a 30-degree angle. This position helps prevent the backflow of stomach contents into the esophagus, providing relief to the client.
5. Colon cancer is most closely associated with which of the following conditions?
- A. Appendicitis
- B. Hemorrhoids
- C. Hiatal hernia
- D. Ulcerative colitis
Correct answer: D
Rationale: Ulcerative colitis is a condition closely associated with an increased risk of developing colon cancer due to chronic inflammation of the colon.
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