ATI RN
Pathophysiology Final Exam
1. When educating a patient starting on oral contraceptives, what should the nurse include in the teaching plan regarding potential side effects?
- A. Weight gain, mood changes, and nausea
- B. Increased appetite, insomnia, and fatigue
- C. Breast tenderness, headaches, and dizziness
- D. Fatigue, hair loss, and joint pain
Correct answer: A
Rationale: The correct answer is A: Weight gain, mood changes, and nausea are common side effects of oral contraceptives. Weight gain may occur due to fluid retention or changes in metabolism. Mood changes can be caused by hormonal fluctuations. Nausea is a common side effect that usually improves after a few months of use. Choices B, C, and D are incorrect because they do not reflect common side effects associated with oral contraceptives. Increased appetite, insomnia, breast tenderness, headaches, dizziness, fatigue, hair loss, and joint pain are not typically reported side effects of oral contraceptives.
2. A patient is receiving chloroquine (Aralen) for extraintestinal amebiasis. Which of the following medications should be administered with chloroquine?
- A. Iodoquinol (Yodoxin)
- B. Metronidazole (Flagyl)
- C. Metyrosine (Demser)
- D. Carbamazepine (Tegretol)
Correct answer: B
Rationale: The correct answer is B: Metronidazole (Flagyl). When treating extraintestinal amebiasis, chloroquine is often used in combination with metronidazole to ensure the eradication of the parasite. Metronidazole helps to target the infection more effectively. Choices A, C, and D are incorrect. Iodoquinol (Yodoxin) is another antiprotozoal agent but is not typically used in combination with chloroquine for amebiasis. Metyrosine (Demser) is used in the management of pheochromocytoma, and carbamazepine (Tegretol) is an anticonvulsant and mood-stabilizing drug, neither of which are indicated for extraintestinal amebiasis.
3. A healthcare professional is assessing a client with suspected myasthenia gravis. Which symptom would the healthcare professional expect to find?
- A. Muscle atrophy
- B. Facial weakness
- C. Ptosis and diplopia
- D. Increased muscle tone
Correct answer: C
Rationale: Ptosis (drooping eyelid) and diplopia (double vision) are classic symptoms of myasthenia gravis. Muscle atrophy (Choice A) is not a typical early manifestation of myasthenia gravis. While facial weakness (Choice B) can occur, it is not as specific as ptosis and diplopia. Increased muscle tone (Choice D) is more indicative of conditions like spasticity, not myasthenia gravis.
4. The nurse is caring for a client with an astrocytoma. The client asks, 'What do astrocytes do in the brain?' What is the nurse's best response?
- A. Astrocytes help to nourish and support neurons in the brain.
- B. Astrocytes are a type of neuron that transmit electrical signals.
- C. Astrocytes are involved in immune responses in the brain.
- D. Astrocytes help regulate blood flow in the brain.
Correct answer: A
Rationale: Astrocytes play a crucial role in supporting and nourishing neurons by providing metabolic support, maintaining the blood-brain barrier, and regulating the chemical environment of the brain. While astrocytes are essential for brain function, they are not neurons and do not transmit electrical signals (Choice B). Astrocytes are not primarily involved in immune responses in the brain (Choice C) or in regulating blood flow in the brain (Choice D), although they indirectly influence blood flow through their support functions.
5. A patient with a history of osteoporosis is prescribed alendronate (Fosamax). What specific instructions should the nurse provide to ensure the effectiveness of the medication?
- A. Take the medication with a full glass of water and remain upright for at least 30 minutes to prevent esophageal irritation and ensure proper absorption.
- B. Take the medication with milk to enhance calcium absorption.
- C. Take the medication at bedtime to ensure absorption during sleep.
- D. Take the medication with food to prevent nausea.
Correct answer: A
Rationale: The correct answer is A. Alendronate should be taken with a full glass of water, and patients should remain upright for at least 30 minutes to prevent esophageal irritation and ensure proper absorption. This positioning helps reduce the risk of esophageal irritation and ensures adequate drug absorption. Choice B is incorrect because alendronate should be taken with water, not milk. Choice C is incorrect as there is no specific advantage to taking alendronate at bedtime. Choice D is incorrect because taking alendronate with food may interfere with its absorption.
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