ATI RN
ATI Pathophysiology Exam 1
1. A client with a history of hypertension presents with a severe headache and blurred vision. What is the nurse's priority action?
- A. Administer pain relief medication.
- B. Obtain a stat head CT scan.
- C. Administer antihypertensive medications as prescribed.
- D. Call the healthcare provider immediately.
Correct answer: C
Rationale: The correct answer is to administer antihypertensive medications as prescribed. In a client with a history of hypertension presenting with severe headache and blurred vision, these symptoms could indicate a hypertensive crisis. The priority action is to lower the blood pressure promptly to prevent complications such as stroke, heart attack, or organ damage. Administering antihypertensive medications is crucial in this situation. Administering pain relief medication (Choice A) may temporarily alleviate symptoms but does not address the underlying issue of elevated blood pressure. Obtaining a stat head CT scan (Choice B) may be necessary to rule out other causes but should not delay the administration of antihypertensive medications. Calling the healthcare provider immediately (Choice D) is important but may not address the immediate need to lower blood pressure in a hypertensive crisis.
2. What important point should the nurse emphasize about taking oral contraceptives consistently?
- A. Oral contraceptives must be taken at the same time each day to maintain consistent hormone levels and ensure effectiveness in preventing pregnancy.
- B. Oral contraceptives should be taken in the morning to avoid side effects at night.
- C. Oral contraceptives should be taken with food to enhance absorption.
- D. Oral contraceptives can be skipped occasionally without significant consequences.
Correct answer: A
Rationale: The correct answer is A. It is crucial for patients taking oral contraceptives to take them at the same time each day to maintain consistent hormone levels, which is essential for their effectiveness in preventing pregnancy. Choice B is incorrect as the timing of the medication is more about consistency than avoiding side effects at night. Choice C is incorrect as oral contraceptives do not necessarily need to be taken with food for absorption. Choice D is incorrect because skipping oral contraceptives occasionally can significantly reduce their effectiveness in preventing pregnancy.
3. What condition is a result of Polycythemia Vera, which involves excess red blood cells?
- A. Tissue ischemia & necrosis
- B. Chronic pancreatitis
- C. Low blood pressure & heart rate
- D. Increased numbers of infections
Correct answer: A
Rationale: Polycythemia Vera, characterized by excess red blood cells, can cause tissue ischemia and necrosis due to the increased blood viscosity. This condition restricts blood flow, leading to inadequate oxygen delivery to tissues and subsequent tissue damage. Choices B, C, and D are incorrect because they are not directly associated with the pathophysiology of Polycythemia Vera.
4. What best describes sepsis?
- A. An overwhelming allergic reaction
- B. Severe inflammatory response to a pathogen's endotoxins
- C. Unknown causes resulting in hypertension
- D. Poor nursing and health care provider interventions
Correct answer: B
Rationale: The correct answer is B. Sepsis is a severe inflammatory response to a pathogen's endotoxins, leading to widespread infection and organ dysfunction. Choice A is incorrect as sepsis is not primarily an allergic reaction. Choice C is incorrect as sepsis is not characterized by unknown causes resulting in hypertension. Choice D is incorrect as sepsis is a medical condition and not solely caused by poor nursing or healthcare provider interventions.
5. Which of the following stores electrolytes and acts as an electrolyte pool?
- A. Brain - Kidneys
- B. Bone - Nails
- C. Bone - Liver
- D. Liver - Pancreas
Correct answer: B
Rationale: Bones store electrolytes and act as a reservoir, maintaining a balance of essential minerals like calcium and phosphate. The correct pair in this context is 'Bone - Nails.' Choices A, C, and D are incorrect because the brain, kidneys, liver, and pancreas perform other functions in the body and are not primarily responsible for storing electrolytes.
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