HESI RN
HESI Medical Surgical Practice Exam Quizlet
1. Which symptoms should the nurse expect a client to exhibit who is diagnosed with a pheochromocytoma?
- A. Numbness, tingling, and cramps in the extremities.
- B. Headache, diaphoresis, and palpitations.
- C. Cyanosis, fever, and classic signs of shock.
- D. Nausea, vomiting, and muscular weakness.
Correct answer: B
Rationale: Correct. Pheochromocytoma is a catecholamine-secreting non-cancerous tumor of the adrenal medulla. The classic triad of symptoms includes headache, diaphoresis (excessive sweating), and palpitations, which result from the overproduction of catecholamines like epinephrine and norepinephrine. Numbness, tingling, and cramps in the extremities (Option A) are not characteristic of pheochromocytoma. Cyanosis, fever, and classic signs of shock (Option C) are not typical symptoms of this condition. Nausea, vomiting, and muscular weakness (Option D) are not commonly associated with pheochromocytoma.
2. In a patient with pneumonia, what is the primary goal of treatment?
- A. Reducing inflammation.
- B. Eliminating the infection.
- C. Reducing pain.
- D. Preventing complications.
Correct answer: B
Rationale: The primary goal of treating pneumonia is to eliminate the infection. Antibiotics are commonly used to target the specific pathogen causing pneumonia. While reducing inflammation and preventing complications are important aspects of treatment, the key focus initially is on eradicating the infectious agent to improve the patient's condition and prevent further spread of the infection.
3. A serum phenytoin determination is prescribed for a client with a seizure disorder who is taking phenytoin (Dilantin). Which result indicates that the prescribed dose of phenytoin is therapeutic?
- A. 3 mcg/mL
- B. 8 mcg/mL
- C. 16 mcg/mL
- D. 28 mcg/mL
Correct answer: C
Rationale: The correct answer is 16 mcg/mL (Choice C). The therapeutic serum phenytoin range is typically 10 to 20 mcg/mL. A level below this range may lead to continued seizure activity, indicating subtherapeutic levels. Choices A, B, and D are below the therapeutic range and would not be considered therapeutic for a client with a seizure disorder on phenytoin therapy.
4. An older adult client with a long history of chronic obstructive pulmonary disease (COPD) is admitted with progressive shortness of breath and a persistent cough. The client is anxious and complaining of a dry mouth. Which intervention should the nurse implement?
- A. Assist the client to an upright position
- B. Administer a prescribed sedative
- C. Apply a high-flow Venturi mask
- D. Encourage the client to drink water
Correct answer: A
Rationale: Assisting the client to an upright position is the most appropriate intervention in this scenario. An upright position helps optimize lung expansion and aids in improving ventilation, which can alleviate shortness of breath. This position also assists in reducing anxiety by providing a sense of control and comfort. Administering a sedative (Choice B) may further depress the respiratory drive in a client with COPD and should be avoided unless absolutely necessary. Applying a high-flow Venturi mask (Choice C) may be indicated later based on oxygenation needs, but the immediate focus should be on positioning. Encouraging the client to drink water (Choice D) may not directly address the respiratory distress and anxiety experienced by the client.
5. A patient taking trimethoprim-sulfamethoxazole (TMP-SMX) to treat a urinary tract infection complains of a sore throat. The nurse will contact the provider to request an order for which laboratory test(s)?
- A. Complete blood count with differential
- B. Throat culture
- C. Urinalysis
- D. Coagulation studies
Correct answer: A
Rationale: When a patient taking trimethoprim-sulfamethoxazole (TMP-SMX) for a urinary tract infection presents with a sore throat, the nurse should request a complete blood count with differential. TMP-SMX can cause life-threatening adverse effects such as agranulocytosis, a condition characterized by a low white blood cell count, which can manifest as a sore throat. Ordering a complete blood count with differential helps assess the patient's white blood cell count to detect any potential serious adverse effects. Throat culture (Choice B) is not indicated unless there are specific signs of a throat infection. Urinalysis (Choice C) is not relevant for assessing a sore throat. Coagulation studies (Choice D) are not typically indicated for a sore throat symptom.
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