HESI RN
HESI Medical Surgical Specialty Exam
1. A client who is postmenopausal and has had two episodes of bacterial urethritis in the last 6 months asks, “I never have urinary tract infections. Why is this happening now?†How should the nurse respond?
- A. Your immune system becomes less effective as you age.
- B. Low estrogen levels can make the tissue more susceptible to infection.
- C. You should be more careful with your personal hygiene in this area.
- D. It is likely that you have an untreated sexually transmitted disease.
Correct answer: B
Rationale: Low estrogen levels in postmenopausal women decrease moisture and secretions in the perineal area, causing tissue changes that predispose them to infection, including urethritis. This is a common reason for urethritis in postmenopausal women. While immune function does decrease with aging and sexually transmitted diseases can cause urethritis, the most likely reason in this case is the low estrogen levels. Personal hygiene practices are usually not a significant factor in the development of urethritis.
2. Which of the following assessments is the most important for a patient receiving IV potassium?
- A. Respiratory rate
- B. Heart rate
- C. Blood pressure
- D. Oxygen saturation
Correct answer: C
Rationale: The most important assessment for a patient receiving IV potassium is monitoring blood pressure. IV potassium can cause significant changes in cardiac function, leading to adverse effects such as arrhythmias and cardiac arrest. While respiratory rate, heart rate, and oxygen saturation are important parameters to monitor in clinical practice, blood pressure takes precedence in patients receiving IV potassium due to its direct impact on cardiovascular function. Changes in blood pressure can be an early indicator of potassium-induced cardiac complications, making it crucial to monitor closely during administration.
3. A male client with chronic kidney disease (CKD) is refusing to take his medication and has missed two hemodialysis appointments. What is the best initial action for the nurse?
- A. Discuss what the treatment regimen means to him.
- B. Refer the client to a mental health nurse practitioner.
- C. Reschedule the appointments to another date and time.
- D. Discuss the option of peritoneal dialysis.
Correct answer: A
Rationale: The best initial action for the nurse in this scenario is to have a discussion with the client about what the treatment regimen means to him. It is important to assess the client's anxiety, coping styles, and acceptance of the required treatment for CKD. The client may be in denial of the diagnosis or may have concerns that need to be addressed. While rescheduling hemodialysis appointments could be helpful, referring the client to a mental health nurse practitioner or discussing peritoneal dialysis are not the most appropriate first steps. Understanding the client's perspective and concerns is crucial before exploring other interventions.
4. After checking the client’s gag reflex following an esophagogastroduodenoscopy (EGD), which action should the nurse take?
- A. Taking the client’s vital signs
- B. Giving the client a drink of water
- C. Monitoring the client for a sore throat
- D. Being alert to complaints of heartburn
Correct answer: A
Rationale: After an esophagogastroduodenoscopy (EGD), the nurse's priority is to assess the client's airway by checking the gag reflex. Once this assessment is done, the next step is to take the client's vital signs to monitor for any signs of complications such as bleeding or changes in respiratory status. Giving the client water immediately after the procedure may not be appropriate, as the client may still have a compromised gag reflex and is at risk for aspiration. Monitoring for a sore throat is important but not the immediate priority post-procedure. Being alert to complaints of heartburn is relevant for assessing the client's symptoms but is not the priority immediately after checking the gag reflex.
5. Blood for arterial blood gas determinations is drawn from a client with pneumonia, and testing reveals a pH of 7.45, PCO2 of 30 mm Hg, and HCO3 of 19 mEq/L. The nurse interprets these results as indicative of:
- A. Compensated metabolic acidosis
- B. Compensated respiratory alkalosis
- C. Uncompensated metabolic alkalosis
- D. Uncompensated respiratory acidosis
Correct answer: B
Rationale: The correct answer is 'Compensated respiratory alkalosis.' In this case, the client's pH is within the normal range (7.35-7.45), indicating compensation. The low PCO2 (30 mm Hg) suggests respiratory alkalosis, while the low HCO3 (19 mEq/L) is also consistent with a compensatory response. Therefore, the client has a primary respiratory alkalosis that is being compensated for by metabolic acidosis. Choices A, C, and D are incorrect because they do not fit the pattern of the given blood gas values, which indicate respiratory alkalosis with metabolic compensation.
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