ATI LPN
ATI Learning System PN Medical Surgical Final Quizlet
1. A patient with heart failure is prescribed digoxin. What is the most important instruction the nurse should provide?
- A. Take an extra dose if you miss one.
- B. Avoid high-potassium foods.
- C. Report any visual disturbances.
- D. Stop taking the medication if your pulse is normal.
Correct answer: C
Rationale: The correct answer is C: 'Report any visual disturbances.' Patients taking digoxin should be instructed to report any visual disturbances, as this can be a sign of digoxin toxicity. Visual disturbances like changes in color vision, blurred vision, or seeing halos around lights can indicate an overdose of digoxin. Choices A, B, and D are incorrect. Instructing a patient to take an extra dose if they miss one can lead to overdose. Avoiding high-potassium foods is important for patients on potassium-sparing diuretics, not digoxin. Stopping the medication if the pulse is normal is incorrect, as the pulse rate alone is not an indicator of digoxin effectiveness or toxicity.
2. The patient described in the preceding questions has a positive H. pylori antibody blood test. She is compliant with the medical regimen you prescribe. Although her symptoms initially respond, she returns to see you six months later with the same symptoms. Which of the following statements is correct?
- A. She is at high risk for reinfection with H. pylori.
- B. A positive serum IgG indicates that eradication of H. pylori was unsuccessful.
- C. The urease breath test is an ideal test to document failure of eradication.
- D. Dyspepsia usually improves with H. pylori eradication.
Correct answer: C
Rationale: Reinfection with H. pylori is rare, and the persistence of infection usually indicates poor compliance with the medical regimen or antibiotic resistance. A positive serum IgG may persist indefinitely and cannot alone determine the failure of eradication. However, a decrease in quantitative IgG levels has been used to confirm treatment success. The urease breath test is recommended to assess the failure of eradication as it can detect the presence of H. pylori in the stomach, indicating treatment failure if positive.
3. The client with newly diagnosed osteoporosis is being taught by the nurse about dietary modifications. Which instruction should the nurse include?
- A. Increase your intake of high-calcium foods.
- B. Limit your intake of vitamin D-rich foods.
- C. Avoid foods high in phosphorus.
- D. Increase your intake of high-sodium foods.
Correct answer: A
Rationale: Increasing the intake of high-calcium foods is essential for improving bone density and managing osteoporosis. Calcium is a key mineral necessary for bone health, and individuals with osteoporosis often need higher levels of calcium to help strengthen their bones and prevent further bone loss. Therefore, advising the client to increase their intake of high-calcium foods is the most appropriate dietary modification to support their bone health.
4. A client with hepatic encephalopathy exhibits confusion, difficulty arousing from sleep, and rigid extremities. Based on these clinical findings, what stage of hepatic encephalopathy should the nurse document?
- A. Stage 1
- B. Stage 2
- C. Stage 3
- D. Stage 4
Correct answer: C
Rationale: Stage 3 hepatic encephalopathy is characterized by confusion, difficulty arousing from sleep, and rigidity of extremities. These symptoms indicate advanced manifestations of hepatic encephalopathy, requiring prompt intervention and monitoring to prevent further neurological deterioration.
5. A 45-year-old woman presents with fatigue, weight gain, and constipation. Laboratory tests reveal low TSH and high free T4 levels. What is the most likely diagnosis?
- A. Hypothyroidism
- B. Hyperthyroidism
- C. Thyroiditis
- D. Thyroid cancer
Correct answer: B
Rationale: The presentation of low TSH and high free T4 levels is characteristic of hyperthyroidism, which is consistent with the symptoms of fatigue, weight gain, and constipation described in the case. In hyperthyroidism, the thyroid gland produces an excess of thyroid hormone leading to a hypermetabolic state, which can manifest with these symptoms.
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