Nokea
A nurse is caring for a client who has peptic ulcer disease. The nurse should monitor the client for which of the following findings as an indication of gastrointestinal perforation?
- A. Hyperactive bowel sounds
- B. Sudden abdominal pain
- C. Increased blood pressure
- D. Bradycardia
Correct Answer: B
Rationale: The correct answer is B: Sudden abdominal pain. Gastrointestinal perforation is a serious complication of peptic ulcer disease. Sudden abdominal pain is a key indicator as perforation can lead to leakage of stomach contents into the abdominal cavity causing severe pain. Hyperactive bowel sounds (A) are more indicative of bowel obstruction. Increased blood pressure (C) can occur due to pain or stress but is not specific to gastrointestinal perforation. Bradycardia (D) is not typically associated with gastrointestinal perforation.
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Which information will the nurse include when teaching a patient how to avoid chronic constipation? (Select all that apply.)
- A. Stimulant and saline laxatives can be used regularly.
- B. Bulk-forming laxatives are an excellent source of fiber.
- C. Walking or cycling frequently will help bowel motility.
- D. A good time for a bowel movement may be after breakfast.
Correct Answer: B
Rationale: The correct answer is B: Bulk-forming laxatives are an excellent source of fiber. Fiber helps to soften stools, regulate bowel movements, and prevent constipation. By increasing fiber intake through bulk-forming laxatives or dietary sources, the patient can promote regularity and prevent chronic constipation.
Explanation for incorrect choices:
A: Stimulant and saline laxatives can cause dependency and are not recommended for regular use as they can disrupt the natural bowel function.
C: While physical activity like walking or cycling can aid in bowel motility, it is not the primary factor in preventing chronic constipation.
D: Timing of bowel movements can vary among individuals, and there is no specific "good time" universally applicable for everyone to have a bowel movement.
Which of the following is true about the liver?
- A. It produces digestive enzymes.
- B. It stores bile.
- C. It detoxifies drugs and alcohol.
- D. It produces insulin.
Correct Answer: C
Rationale: The correct answer is C: The liver detoxifies drugs and alcohol. The liver contains enzymes that break down harmful substances, helping to remove toxins from the body. This process is essential for maintaining overall health.
Choice A is incorrect because the pancreas, not the liver, produces digestive enzymes. Choice B is also incorrect because the gallbladder, not the liver, stores bile. Choice D is incorrect because the pancreas, not the liver, produces insulin to regulate blood sugar levels.
Which two regions of a tooth contain living cells?
- A. dentin and enamel
- B. anatomical crown and cementum
- C. enamel and cementum
- D. dentin and cementum
Correct Answer: D
Rationale: The correct answer is D. Dentin and cementum are the two regions of a tooth that contain living cells. Dentin is the hard tissue beneath the enamel and cementum that forms the bulk of the tooth structure. It contains living cells called odontoblasts responsible for dentin formation. Cementum is the hard tissue covering the tooth root and is essential for anchoring the tooth in the jawbone. Cementum contains living cells called cementoblasts responsible for cementum formation. Therefore, both dentin and cementum are vital regions of a tooth that house living cells involved in tooth development and maintenance.
A: Dentin and enamel - Enamel is the outermost layer of the tooth and does not contain living cells.
B: Anatomical crown and cementum - Anatomical crown is not a region of the tooth containing living cells.
C: Enamel and cementum - Enamel does not contain living cells, only mineralized structures.
Occult fecal blood test would be helpful in discovering:
- A. colonic carcinoma
- B. malabsorption syndrome
- C. both
- D. neither
Correct Answer: A
Rationale: The occult fecal blood test detects hidden blood in the stool, which can be an early sign of colonic carcinoma. This test is not specific for malabsorption syndrome, making option B incorrect. Option C is incorrect because the test is primarily used for detecting colonic carcinoma. Option D is incorrect as the test can aid in the discovery of colonic carcinoma.
Ferritin is a globular protein that transports and stores ______ in the liver and blood.
- A. glycogen
- B. lipids
- C. vitamin B12
- D. iron
Correct Answer: D
Rationale: The correct answer is D: iron. Ferritin is a protein that binds and stores iron in the liver and blood. It plays a crucial role in regulating iron levels in the body. Glycogen (A) is a storage form of glucose, not stored by ferritin. Lipids (B) are not stored by ferritin either. Vitamin B12 (C) is mainly stored in the liver bound to specific proteins, not ferritin. Iron is the correct answer as it aligns with the main function of ferritin in iron transport and storage.