ATI RN
WGU Pathophysiology Final Exam
1. A patient with osteoporosis is prescribed raloxifene (Evista). What is the primary therapeutic action of this medication?
- A. It decreases bone resorption and increases bone density.
- B. It stimulates the formation of new bone.
- C. It increases calcium absorption in the intestines.
- D. It increases the excretion of calcium through the kidneys.
Correct answer: A
Rationale: The correct answer is A. Raloxifene works by decreasing bone resorption and increasing bone density. This helps in preventing further bone loss and reducing the risk of fractures in patients with osteoporosis. Choice B is incorrect because raloxifene does not stimulate the formation of new bone, but rather helps to maintain existing bone mass. Choice C is incorrect as raloxifene does not directly increase calcium absorption in the intestines. Choice D is also incorrect as raloxifene does not increase the excretion of calcium through the kidneys.
2. Which of the following is the best indicator of a child's nutritional status?
- A. Weight
- B. Height
- C. Head circumference
- D. Mid-upper arm circumference
Correct answer: D
Rationale: Mid-upper arm circumference is a good indicator of muscle mass and fat stores, reflecting a child's nutritional status. It is particularly useful in assessing malnutrition, as it is less affected by fluid retention or dehydration compared to other anthropometric measurements. Weight can fluctuate due to factors like hydration status, making it less reliable as a sole indicator of nutritional status. Height reflects growth but may not directly indicate current nutritional status. Head circumference is more related to brain growth and development rather than overall nutritional status.
3. Which of the following definitions best describes diverticulosis?
- A. An inflamed outpouching of the intestine
- B. A noninflamed outpouching of the intestine
- C. The partial impairment of the forward flow of intestinal contents
- D. An abnormal protrusion of an organ through the structure that usually holds it
Correct answer: B
Rationale: The correct answer is B: 'A noninflamed outpouching of the intestine.' Diverticulosis refers to the presence of small, bulging pouches (diverticula) that can form in the lining of the digestive system, especially the colon. These pouches are typically noninflamed. Choice A is incorrect because it describes diverticulitis, which is the inflammation of these pouches. Choice C is incorrect as it defines bowel obstruction, not diverticulosis. Choice D is incorrect as it refers to a hernia, not diverticulosis.
4. The nurse is caring for a postthyroidectomy patient at risk for hypocalcemia. What action should the nurse take when assessing for hypocalcemia?
- A. Monitor laboratory values daily for an elevated thyroid-stimulating hormone.
- B. Observe for swelling of the neck, tracheal deviation, and severe pain.
- C. Evaluate the quality of the patient's voice postoperatively, noting any drastic changes.
- D. Observe for muscle twitching and numbness or tingling of the lips, fingers, and toes.
Correct answer: D
Rationale: Muscle twitching and numbness or tingling of the lips, fingers, and toes are signs of hyperirritability of the nervous system due to hypocalcemia. The other options describe complications the nurse should also be observing for; however, tetany and neurologic alterations are primary indications of hypocalcemia. Monitoring for an elevated thyroid-stimulating hormone (choice A) is not relevant in assessing for hypocalcemia. Observing for swelling of the neck, tracheal deviation, and severe pain (choice B) are more related to airway compromise. Evaluating the quality of the patient's voice postoperatively (choice C) is important but not a primary sign of hypocalcemia.
5. A client is starting therapy with docetaxel. Which of the following findings should the nurse instruct the client to report?
- A. Flushing
- B. Dyspnea
- C. Hyperglycemia
- D. Tinnitus
Correct answer: B
Rationale: The correct answer is B: Dyspnea. The nurse should instruct the client to report dyspnea because it can indicate pulmonary toxicity, a severe adverse effect of docetaxel. Dyspnea may suggest a potential serious condition that needs prompt evaluation and intervention to prevent complications. Flushing (choice A) is more commonly associated with other medications or conditions and is not a common side effect of docetaxel. Hyperglycemia (choice C) and tinnitus (choice D) are also not typically associated with docetaxel therapy and are not priority findings that the nurse should instruct the client to report.
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