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1. A patient with hyperthyroidism is prescribed propylthiouracil (PTU). What is the primary purpose of this medication?
- A. Increase thyroid hormone production
- B. Suppress thyroid hormone production
- C. Enhance iodine absorption
- D. Stimulate the thyroid gland
Correct answer: B
Rationale: Propylthiouracil (PTU) is a medication used to treat hyperthyroidism by suppressing the production of thyroid hormones. It works by inhibiting the enzyme responsible for the synthesis of thyroid hormones, thereby reducing their levels in the body. This helps to alleviate the symptoms of hyperthyroidism and restore thyroid hormone levels to normal range.
2. A patient with glaucoma is prescribed timolol eye drops. What is the primary action of this medication?
- A. Reduce intraocular pressure
- B. Dilate the pupils
- C. Constrict the pupils
- D. Enhance tear production
Correct answer: A
Rationale: Timolol eye drops are prescribed to reduce intraocular pressure in patients with glaucoma. By decreasing the pressure within the eye, timolol helps prevent damage to the optic nerve, which is crucial in managing glaucoma and preserving vision. Dilating or constricting the pupils or enhancing tear production are not the primary actions of timolol eye drops.
3. The healthcare provider is preparing to administer a blood transfusion. Which action is most important to ensure client safety?
- A. Check the client's vital signs before starting the transfusion.
- B. Verify the client's identity and blood compatibility.
- C. Administer the blood with normal saline.
- D. Monitor the client for the first 15 minutes of the transfusion.
Correct answer: B
Rationale: Verifying the client's identity and blood compatibility is the most critical step in ensuring client safety during a blood transfusion. This process helps prevent transfusion reactions by confirming that the correct blood product is being administered to the right patient.
4. A patient with gout is prescribed allopurinol. What should the nurse include in the patient teaching?
- A. Take the medication with food.
- B. Increase intake of high-purine foods.
- C. Limit fluid intake to 1 liter per day.
- D. Expect immediate pain relief.
Correct answer: A
Rationale: When educating a patient prescribed allopurinol for gout, the nurse should emphasize taking the medication with food to reduce the risk of gastrointestinal upset. It is important to instruct the patient to maintain adequate hydration by consuming plenty of fluids, preferably water, to help prevent kidney stone formation and facilitate the drug's effectiveness. Allopurinol does not provide immediate pain relief but rather works to lower uric acid levels over time, reducing the frequency of gout attacks. Choices B and C are incorrect as increasing high-purine foods can exacerbate gout symptoms, and limiting fluid intake to 1 liter per day is not recommended for gout patients who should maintain good hydration. Choice D is incorrect because allopurinol does not offer immediate pain relief.
5. A 50-year-old man presents with severe epigastric pain radiating to his back, nausea, and vomiting. He has a history of heavy alcohol use. Laboratory tests reveal elevated serum amylase and lipase. What is the most likely diagnosis?
- A. Acute cholecystitis
- B. Peptic ulcer disease
- C. Acute pancreatitis
- D. Gastroesophageal reflux disease
Correct answer: C
Rationale: The patient's history of heavy alcohol use, severe epigastric pain radiating to the back, nausea, vomiting, and elevated serum amylase and lipase levels are classic signs of acute pancreatitis. Alcohol consumption is a common predisposing factor for pancreatitis, leading to inflammation of the pancreas. The clinical presentation, along with the laboratory findings, strongly support the diagnosis of acute pancreatitis in this patient.
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