Nokea
The nurse is planning care for the patient with celiac disease. In teaching about the diet, the nurse should instruct the patient to avoid which of the following for breakfast?
- A. Puffed wheat
- B. Banana
- C. Puffed rice
- D. Cornflakes
Correct Answer: A
Rationale: Celiac disease requires a gluten-free diet. Puffed wheat contains gluten and should be avoided. Bananas, puffed rice, and cornflakes (if certified gluten-free) are typically safe.
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A client develops a temperature of 102°F following coronary artery bypass surgery. The nurse should notify the physician immediately because elevations in temperature:
- A. Increase cardiac output
- B. Indicate cardiac tamponade
- C. Decrease cardiac output
- D. Indicate graft rejection
Correct Answer: C
Rationale: Fever post-CABG increases metabolic demand, potentially decreasing cardiac output in a compromised heart, requiring immediate attention. Tamponade and rejection have other signs.
To appropriately monitor therapy and client progress, the nurse should be aware that increased myocardial work and O2 demand will occur with which of the following?
- A. Positive inotropic therapy
- B. Negative chronotropic therapy
- C. Increase in balance of myocardial O2 supply and demand
- D. Afterload reduction therapy
Correct Answer: A
Rationale: Inotropic therapy will increase contractility, which will increase myocardial O2 demand. Decreased heart rate to the point of bradycardia will increase coronary artery filling time. This should be used cautiously because tachycardia may be a compensatory mechanism to increase cardiac output. The goal in the care of the MI client with angina is to maintain a balance between myocardial O2 supply and demand. Decrease in systemic vascular resistance by drug therapy, such as IV nitroglycerin or nitroprusside, or intra-aortic balloon pump therapy, would decrease myocardial work and O2 demand.
The nurse is teaching a client with a history of lactose intolerance about dietary modifications. The nurse should tell the client to avoid:
- A. Dairy products
- B. High-fiber foods
- C. Lean meats
- D. Fresh fruits
Correct Answer: A
Rationale: Dairy products contain lactose, which causes gastrointestinal symptoms in lactose intolerance, so they should be avoided.
A client with a deep decubitus ulcer is receiving therapy in the hyperbaric oxygen chamber. Before therapy, the nurse should:
- A. Apply a lanolin-based lotion to the skin.
- B. Wash the skin with water and pat dry.
- C. Cover the area with a petroleum gauze.
- D. Apply an occlusive dressing to the site.
Correct Answer: B
Rationale: Clean, dry skin is required before hyperbaric oxygen therapy to prevent infection and ensure effective oxygen delivery. Lotions, petroleum, or dressings can interfere or pose fire risks.
A client with Addison's disease has been receiving glucocorticoid therapy. Which finding indicates a need for dosage adjustment?
- A. Dryness of the skin and mucus membranes
- B. Dizziness when rising to a standing position
- C. A weight gain of six pounds in the past week
- D. Difficulty in remaining asleep
Correct Answer: C
Rationale: Rapid weight gain (6 pounds in a week) suggests fluid retention, a sign of glucocorticoid excess, requiring dosage adjustment. Dizziness may indicate underdosing, and the other symptoms are less specific.