ATI RN
Pathophysiology Practice Questions
1. In a patient with chronic kidney disease and a hemoglobin level of 9 g/dL, which of the following treatments is most appropriate?
- A. Iron supplementation
- B. Erythropoiesis-stimulating agents
- C. Blood transfusion
- D. Vitamin B12 supplementation
Correct answer: B
Rationale: In chronic kidney disease, anemia commonly occurs due to decreased erythropoietin production. Erythropoiesis-stimulating agents, such as erythropoietin or darbepoetin, are the mainstay of treatment to stimulate red blood cell production. Iron supplementation is more appropriate for iron-deficiency anemia, not the anemia of chronic kidney disease. Blood transfusion is reserved for severe cases or acute blood loss. Vitamin B12 supplementation is indicated for megaloblastic anemia caused by vitamin B12 deficiency, not specifically in chronic kidney disease-related anemia.
2. What should the nurse assess in a patient experiencing breakthrough bleeding while taking oral contraceptives?
- A. Adherence to the medication schedule
- B. The possibility of pregnancy
- C. The need for an increased dosage
- D. The effectiveness of the current oral contraceptive
Correct answer: A
Rationale: When a patient on oral contraceptives experiences breakthrough bleeding, the nurse should assess the patient's adherence to the medication schedule. Breakthrough bleeding is often a sign of non-adherence, potentially reducing the effectiveness of the contraceptives. Assessing the adherence to the schedule helps in determining if the medication is being taken correctly. The possibility of pregnancy (choice B) is less likely if the patient has been taking the contraceptives as prescribed. Increasing the dosage (choice C) without assessing adherence first can lead to unnecessary medication adjustments. Evaluating the effectiveness of the current oral contraceptive (choice D) comes after assessing adherence to the schedule.
3. A patient is prescribed zanamivir (Relenza) to treat influenza B. The patient has a history of asthma. For which of the following symptoms should the nurse assess?
- A. Bradycardia
- B. Pneumonia
- C. Bronchospasm
- D. Pulmonary embolism
Correct answer: C
Rationale: The correct answer is C: Bronchospasm. Zanamivir (Relenza) is an inhaled medication used to treat influenza by reducing the severity and duration of symptoms. Patients with a history of asthma are at risk of bronchospasm as a potential side effect of zanamivir. Assessing for bronchospasm is crucial in this case to ensure the patient's safety and well-being. Choices A, B, and D are incorrect. Bradycardia, pneumonia, and pulmonary embolism are not commonly associated with zanamivir use in the treatment of influenza B, especially in a patient with a history of asthma.
4. Which of the following would the nurse expect to see in a client experiencing hypoventilation?
- A. Increased oxygenation in the alveoli
- B. Increased carbon dioxide in the bloodstream
- C. Decreased hemoglobin in the bloodstream
- D. Decreased carbon dioxide in the alveoli
Correct answer: B
Rationale: In hypoventilation, there is inadequate ventilation leading to decreased removal of carbon dioxide. This results in increased carbon dioxide in the bloodstream. The other choices are incorrect because hypoventilation does not improve oxygenation in the alveoli (Choice A), decrease hemoglobin in the bloodstream (Choice C), or decrease carbon dioxide in the alveoli (Choice D).
5. A patient is prescribed finasteride (Proscar) for benign prostatic hyperplasia (BPH). What outcome should the nurse expect to observe?
- A. Decreased urinary frequency and urgency
- B. Increased prostate size
- C. Increased blood pressure
- D. Increased risk of kidney stones
Correct answer: A
Rationale: The correct answer is A: Decreased urinary frequency and urgency. Finasteride is expected to decrease urinary frequency and urgency in patients with BPH by reducing prostate size. It works by inhibiting the enzyme that converts testosterone to dihydrotestosterone, which helps shrink the prostate gland. Choices B, C, and D are incorrect. Finasteride does not increase prostate size, blood pressure, or the risk of kidney stones.
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