Nokea
Concerning mass peristalsis, all are correct Except:
- A. Occurs in the small intestine.
- B. is a very slow movement.
- C. Helps movement of fecal matter in large intestine.
- D. None of the above.
Correct Answer: A
Rationale: The correct answer is A. Mass peristalsis refers to the coordinated contraction of the smooth muscle in the colon that helps move fecal matter towards the rectum. This process specifically occurs in the large intestine, not the small intestine. Therefore, choice A is incorrect. Choice B is incorrect because mass peristalsis is actually a rapid and powerful movement, not slow. Choice C is correct as it accurately describes the role of mass peristalsis in facilitating the movement of fecal matter in the large intestine. Choice D is incorrect because choice A is incorrect.
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What must the nurse do to care for a T-tube in a patient following a cholecystectomy?
- A. Keep the tube supported and free of kinks.
- B. Attach the tube to low, continuous suction.
- C. Clamp the tube when ambulating the patient.
- D. Irrigate the tube with 10-mL sterile saline every 2 to 4 hours.
Correct Answer: A
Rationale: The nurse should ensure the T-tube is supported and free from kinks to facilitate bile drainage and prevent complications.
A young adult patient is admitted to the hospital for evaluation of right lower quadrant abdominal pain with nausea and vomiting. Which action should the nurse take?
- A. Assist the patient to cough and deep breath
- C. Palpate the abdomen for rebound tenderness.
- D. Suggest the patient lie on the side, flexing the right leg.
Correct Answer: C
Rationale: The correct answer is C: Palpate the abdomen for rebound tenderness. This action is essential to assess for signs of possible appendicitis, a common cause of right lower quadrant abdominal pain with nausea and vomiting. Rebound tenderness is a classic sign of peritoneal irritation and can indicate an inflamed appendix. The other choices are incorrect because:
A: Assisting the patient to cough and deep breath is not a priority in this situation and does not provide relevant information about the cause of the abdominal pain.
D: Suggesting the patient lie on the side, flexing the right leg, may help alleviate some discomfort but does not provide diagnostic information about the underlying cause of the symptoms.
Which organ produces and secretes bile?
- A. liver
- B. gallbladder
- C. pancreas
- D. duodenum
Correct Answer: A
Rationale: The correct answer is A: liver. The liver produces and secretes bile which helps in the digestion of fats. B: gallbladder stores and concentrates bile produced by the liver. C: pancreas secretes digestive enzymes but not bile. D: duodenum is the first part of the small intestine where bile is released to aid in digestion.
Which of these statements about bile is true?
- A. About 500 mL is secreted daily.
- B. Its main function is the denaturation of proteins.
- C. It is synthesized in the gallbladder.
- D. Bile salts are recycled.
Correct Answer: D
Rationale: Step 1: Bile is produced in the liver, not the gallbladder. Step 2: Bile salts aid in digestion by emulsifying fats. Step 3: Bile salts are recycled in the enterohepatic circulation. Step 4: This recycling process conserves bile salts. Step 5: Choice D is correct as it accurately states that bile salts are recycled, supporting efficient digestion and absorption.
A nurse is providing teaching to a client who has a new colostomy. Which of the following information should the nurse include in the teaching?
- A. You can expect fecal output within 24 hours.'
- B. You will need to increase your dietary intake of raw vegetables.'
- C. You can expect the stoma to be purplish in color for the first week.'
- D. You may experience a small amount of bleeding around the stoma.'
Correct Answer: A
Rationale: The correct answer is A because it is important for the nurse to educate the client that fecal output should be expected within 24 hours after colostomy surgery. This information is crucial for the client to understand the functioning of the colostomy and to monitor for any potential issues.
Choice B is incorrect because increasing dietary intake of raw vegetables may not be suitable for all colostomy patients and can potentially lead to digestive issues.
Choice C is incorrect because a purplish color of the stoma is not a normal finding and could indicate inadequate blood supply or other complications that should be promptly addressed by a healthcare provider.
Choice D is incorrect because experiencing bleeding around the stoma is abnormal and should be reported to the healthcare provider immediately for further evaluation.