ATI RN
Pathophysiology Final Exam
1. A patient's anemia is described as having erythrocytes that demonstrate anisocytosis. The nurse would recognize the erythrocytes as:
- A. Pale in color
- B. Present in various sizes
- C. Able to assume various shapes
- D. Live only a few days
Correct answer: B
Rationale: The correct answer is B: 'Present in various sizes.' Anisocytosis refers to erythrocytes that are present in various sizes, indicating an abnormality in the uniformity of red blood cell size. Choice A is incorrect because anisocytosis does not refer to the color of erythrocytes. Choice C is incorrect as anisocytosis does not involve the shape of erythrocytes. Choice D is incorrect as anisocytosis does not determine the lifespan of erythrocytes.
2. Nurse Sharie is assessing a parent who abused her child. Which of the following risk factors would the nurse expect to find in this case?
- A. Flexible role functioning between parents
- B. History of the parent having been abused as a child
- C. Single-parent home situation
- D. Presence of parental mental illness
Correct answer: B
Rationale: The correct answer is B: 'History of the parent having been abused as a child.' Research shows that a history of being abused as a child is a significant risk factor for child abuse. This cycle of abuse can sometimes continue from one generation to the next. Choices A, C, and D are incorrect. Flexible role functioning between parents, a single-parent home situation, and the presence of parental mental illness are important factors to consider in various contexts but may not specifically indicate a higher likelihood of child abuse in this case.
3. What specific instructions should the nurse provide for proper administration of alendronate (Fosamax) in a patient with osteoporosis?
- A. Take the medication with milk to enhance calcium absorption.
- B. Take the medication with a full glass of water and remain upright for at least 30 minutes.
- C. Take the medication at bedtime to ensure absorption during sleep.
- D. Take the medication with food to prevent gastrointestinal upset.
Correct answer: B
Rationale: The correct answer is to take alendronate with a full glass of water and remain upright for at least 30 minutes. This is essential to prevent esophageal irritation and ensure proper drug absorption. Choice A is incorrect as alendronate should not be taken with milk due to potential interactions. Choice C is incorrect as there is no need to take the medication at bedtime specifically. Choice D is incorrect as taking alendronate with food can decrease its absorption.
4. A 35-year-old male has enlarged lymph nodes in the neck and a mediastinal mass. He was diagnosed with Hodgkin lymphoma. Which of the following abnormal cells would the nurse expect to find with this disease?
- A. Merkel cell
- B. Schwann cell
- C. Reed-Sternberg cell
- D. Kupffer cell
Correct answer: C
Rationale: Reed-Sternberg cells are characteristic of Hodgkin lymphoma. These large abnormal cells have a bi-lobed or multi-lobed nucleus and are essential for diagnosing Hodgkin lymphoma through histological examination. Merkel cells are associated with Merkel cell carcinoma, Schwann cells are related to nerve sheaths, and Kupffer cells are liver macrophages. Therefore, choices A, B, and D are incorrect for Hodgkin lymphoma.
5. In which patient is alpha-1 antitrypsin deficiency the likely cause of chronic obstructive pulmonary disease?
- A. A 30-year-old who has smoked for 3 years
- B. A 65-year-old man who drove a taxi most of his life
- C. A 70-year-old woman who smoked for 40 years
- D. A 50-year-old with exposure to secondhand smoke
Correct answer: A
Rationale: Alpha-1 antitrypsin deficiency is a genetic cause of chronic obstructive pulmonary disease (COPD). It is more common in younger patients with a history of smoking at a younger age, like the 30-year-old who has smoked for 3 years. Choices B, C, and D are less likely to be associated with alpha-1 antitrypsin deficiency as COPD in these cases is more likely due to smoking and environmental exposures.
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