ATI RN
WGU Pathophysiology Final Exam
1. A newborn is diagnosed with congenital intrinsic factor deficiency. Which of the following types of anemia will the nurse see documented on the chart?
- A. Iron deficiency anemia
- B. Sideroblastic anemia
- C. Pernicious anemia
- D. Hemolytic anemia
Correct answer: C
Rationale: The correct answer is C, Pernicious anemia. Pernicious anemia is associated with a congenital intrinsic factor deficiency, leading to the impaired absorption of vitamin B12. Iron deficiency anemia (Choice A) is not directly related to intrinsic factor deficiency. Sideroblastic anemia (Choice B) is characterized by defective iron uptake by developing erythrocytes and is not linked to intrinsic factor deficiency. Hemolytic anemia (Choice D) involves the premature destruction of red blood cells and is not specifically associated with intrinsic factor deficiency.
2. When teaching a young woman about the use of hormonal contraceptives, a nurse should emphasize that these drugs are most effective when taken:
- A. Immediately after sexual intercourse.
- B. At the same time each day.
- C. Before going to bed at night.
- D. On an empty stomach.
Correct answer: B
Rationale: The correct answer is B: 'At the same time each day.' Hormonal contraceptives should be taken consistently at the same time each day to maintain stable hormone levels, which is crucial for their effectiveness. Taking them at random times can increase the risk of contraceptive failure. Choices A, C, and D are incorrect because taking hormonal contraceptives immediately after sexual intercourse, before going to bed at night, or on an empty stomach does not align with the recommended usage instructions for these drugs.
3. Which of the following are characteristic, localized cardinal signs of acute inflammation? (Select all that apply.)
- A. Redness
- B. Fatigue
- C. Swelling
- D. Warmth
Correct answer: A, C, D
Rationale: The correct answers are A, C, and D. Redness, swelling, and warmth are classic signs of acute inflammation. Redness occurs due to increased blood flow, swelling is caused by leakage of fluid into tissues, and warmth is due to the vasodilation and increased blood flow in the affected area. Fatigue is not a cardinal sign of acute inflammation and is not directly associated with the inflammatory response.
4. Which of the following is a common cause of mechanical small intestine obstruction?
- A. Infection
- B. Postoperative adhesions
- C. Tumors
- D. Foreign body
Correct answer: Postoperative adhesions
Rationale: Postoperative adhesions are a common cause of mechanical small intestine obstruction. Adhesions can form after abdominal surgery, causing bands of scar tissue that may twist or pull the intestines, leading to obstruction. This is a more common cause compared to infection, tumors, or foreign bodies. Infection may lead to inflammation but is not a typical cause of mechanical obstruction. Tumors and foreign bodies can cause blockages but are less common than postoperative adhesions.
5. Which of the following describes the condition in the body of clients experiencing hypovolemia?
- A. Increased urine retention
- B. Insufficient circulating blood volume
- C. Bounding peripheral pulses
- D. Crackles auscultated in the lungs
Correct answer: B
Rationale: The correct answer is B: Insufficient circulating blood volume. Hypovolemia is a condition characterized by a decrease in the volume of blood plasma. This reduction in circulating blood volume can lead to inadequate perfusion of tissues and organs, potentially resulting in shock if left untreated. Choices A, C, and D are incorrect because increased urine retention, bounding peripheral pulses, and crackles auscultated in the lungs are not typical manifestations of hypovolemia.
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