HESI RN
Evolve HESI Medical Surgical Practice Exam
1. A client reports for a scheduled electroencephalogram (EEG). Which statement by the client indicates a need for additional preparation for the test?
- A. I didn’t shampoo my hair.
- B. I ate breakfast this morning.
- C. I didn’t take my anticonvulsant today.
- D. It was hard not to drink coffee this morning, but I knew that I couldn’t, so I didn’t.
Correct answer: A
Rationale: The correct answer is A. For an EEG, it is essential that the client's hair is clean, without any products like hairspray or gel, to ensure good electrode contact with the scalp. Choice B is not a concern as having breakfast is allowed before the test. Choice C, not taking an anticonvulsant, might be required for certain types of EEGs to capture accurate brain activity. Choice D, not drinking coffee, is not a specific requirement for an EEG preparation.
2. A client is to have a transsphenoidal hypophysectomy to remove a large, invasive pituitary tumor. The nurse should instruct the client that the surgery will be performed through an incision in the:
- A. Back of the mouth.
- B. Nose.
- C. Sinus channel below the right eye.
- D. Upper gingival mucosa in the space between the upper gums and lip.
Correct answer: D
Rationale: The correct answer is D: Upper gingival mucosa in the space between the upper gums and lip. A transsphenoidal hypophysectomy involves accessing the pituitary gland through an incision in the upper gingival mucosa, providing direct access to the pituitary gland without external scars. Choices A, B, and C are incorrect because the surgery is not performed through the back of the mouth, the nose, or the sinus channel below the right eye. It is crucial for the client to understand the specific location of the incision to ensure accurate preoperative education and expectations.
3. A client is experiencing diarrhea. For which acid-base disorder should the nurse assess the client?
- A. Metabolic acidosis
- B. Metabolic alkalosis
- C. Respiratory acidosis
- D. Respiratory alkalosis
Correct answer: A
Rationale: When a client experiences diarrhea, the loss of bicarbonate-rich fluids from the body leads to a decrease in the bicarbonate levels in the blood, resulting in metabolic acidosis. Metabolic alkalosis (choice B) is characterized by an increase in bicarbonate levels, which is not typically associated with diarrhea. Respiratory acidosis (choice C) is caused by retention of carbon dioxide, while respiratory alkalosis (choice D) results from excessive exhalation of carbon dioxide, neither of which are directly related to diarrhea. Therefore, the correct answer is metabolic acidosis (choice A) in the context of diarrhea.
4. While assessing a female client who is chronically fatigued and was recently diagnosed with adrenal insufficiency, the client tells the nurse that she is very nervous that her hospitalization will cause her to lose her job. Which intervention should the nurse implement first?
- A. Teach the client about the risk for infection.
- B. Offer support and care measures to reduce anxiety and stress.
- C. Encourage the client to rest quietly to reduce fatigue.
- D. Place a referral to social services to discuss financial options.
Correct answer: B
Rationale: In this scenario, the priority intervention for the nurse is to offer support and care measures to reduce anxiety and stress. Addressing the client's emotional distress is crucial as the stress can exacerbate adrenal insufficiency. While teaching the client about the risk for infection (Choice A) is important, addressing the immediate emotional needs takes precedence. Encouraging the client to rest quietly (Choice C) is beneficial but does not directly address the client's current distress about job loss. Referring the client to social services (Choice D) for financial options is important, but at this moment, addressing the client's anxiety is the priority to promote emotional well-being.
5. A healthcare professional reviews the blood gas results of a client in respiratory distress. The pH is 7.32, and the PCO2 is 50 mm Hg. Which of the following acid-base imbalances does the professional recognize in these findings?
- A. Metabolic acidosis
- B. Metabolic alkalosis
- C. Respiratory acidosis
- D. Respiratory alkalosis
Correct answer: C
Rationale: In respiratory acidosis, the pH is low (<7.35) and the PCO2 is increased (>45 mm Hg). These findings indicate that the client is experiencing respiratory acidosis, a condition where there is an excess of carbon dioxide in the blood due to inadequate ventilation, commonly seen in respiratory distress. Metabolic acidosis (Choice A) is characterized by a low pH and decreased bicarbonate levels, which is not the case in this scenario. Metabolic alkalosis (Choice B) is associated with a high pH and increased bicarbonate levels. Respiratory alkalosis (Choice D) is marked by a high pH and decreased PCO2, opposite to the values presented in the blood gas results of this client.
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