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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.
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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.
The nurse is obtaining a history of a patient with hepatitis Which question is most appropriate for the nurse to ask?
- A. "If using drugs, do you share needles?"
- B. "Do you always practice safe sex?"
- C. "You traveled to Canada in the last month?"
- D. "Do you eat shellfish often?"
Correct Answer: D
Rationale: The correct answer is D because hepatitis can be transmitted through contaminated food or water, including shellfish. Asking about shellfish consumption helps assess the risk of exposure to hepatitis. Choice A is more relevant for HIV transmission. Choice B focuses on STDs. Choice C is not directly related to hepatitis transmission.
Priority Decision: During care of the severely obese patient
- A. what is most important for the nurse to do?
- B. Avoid reference to the patient's weight to avoid embarrassing the patient.
- C. Emphasize to the patient how important it is to lose weight to maintain health.
- D. Plan for necessary modifications in equipment and nursing techniques before initiating care.
Correct Answer: C
Rationale: Planning for necessary equipment modifications is crucial to safely care for obese patients, ensuring comfort and effectiveness in care.
The term gastrointestinal (GI) tract refers to the
- A. oral cavity, pharynx, esophagus, stomach, small intestine and large intestine.
- B. pharynx, esophagus, stomach, small intestine and large intestine.
- C. esophagus, stomach, small intestine and large intestine.
- D. stomach, small intestine and large intestine.
Correct Answer: A
Rationale: Step 1: The GI tract starts from the oral cavity where digestion begins.
Step 2: It then moves to the pharynx, esophagus for food transport.
Step 3: Next, the food enters the stomach for further digestion.
Step 4: The small intestine is where most digestion and absorption occur.
Step 5: Lastly, the large intestine absorbs water and prepares waste for elimination.
Step 6: Thus, answer A includes all the structures involved in the entire digestive process, making it the correct choice.
Summary:
Choice B is incorrect as it omits the oral cavity. Choice C excludes the pharynx. Choice D is incorrect as it misses the oral cavity, pharynx, and esophagus.
Regarding deglutition (swallowing):
- A. Pharyngeal phase is voluntary.
- B. Is controlled by a center in the medulla oblongata.
- C. Readily occurs with an open mouth.
- D. Buccal phase is accompanied by apnea.
Correct Answer: B
Rationale: The correct answer is B because swallowing is controlled by the swallowing center in the medulla oblongata. This center coordinates the complex sequence of muscle contractions involved in swallowing, ensuring food moves from the mouth to the esophagus without entering the airway. The pharyngeal phase is actually involuntary, not voluntary (Choice A). Swallowing usually occurs with a closed mouth, not an open one (Choice C). Additionally, the buccal phase is not accompanied by apnea; breathing typically continues during this phase (Choice D). Therefore, the correct answer is B due to the central control of swallowing in the medulla oblongata.