HESI RN
HESI Medical Surgical Practice Exam Quizlet
1. What types of medications should the healthcare provider expect to administer to a client during an acute respiratory distress episode?
- A. Vasodilators and hormones.
 - B. Analgesics and sedatives.
 - C. Anticoagulants and expectorants.
 - D. Bronchodilators and steroids.
 
Correct answer: D
Rationale: During an acute respiratory distress episode, the priority is to widen air passages, increase air space, and reduce alveolar membrane inflammation. Therefore, the client would likely require bronchodilators to open up the airways and steroids to reduce inflammation. Vasodilators and hormones (Choice A) are not typically indicated in this situation. Analgesics and sedatives (Choice B) may be used for pain management and anxiety but are not primary treatments for respiratory distress. Anticoagulants and expectorants (Choice C) are not the main medications used during an acute respiratory distress episode and may not address the immediate needs of the client.
2. The nurse is preparing to administer the first dose of an antibiotic to a patient admitted for a urinary tract infection. Which action is most important prior to administering the antibiotic?
- A. Administering a small test dose to determine if hypersensitivity exists
 - B. Having epinephrine available in case of a severe hypersensitivity reaction
 - C. Monitoring baseline vital signs, including temperature and blood pressure
 - D. Obtaining a specimen for culture and sensitivity
 
Correct answer: D
Rationale: The most crucial action before administering an antibiotic for a urinary tract infection is to obtain a specimen for culture and sensitivity. This ensures the accurate identification of the causative organism and helps determine the most effective antibiotic therapy. Administering a test dose to detect hypersensitivity is usually reserved for cases with a strong suspicion of allergy to a needed antibiotic. Keeping epinephrine available is important when there is a significant risk of a severe allergic reaction. Monitoring baseline vital signs is essential during antibiotic therapy but is not the top priority before administering the first dose.
3. A client in the postanesthesia care unit has an as-needed prescription for ondansetron (Zofran). Which of the following occurrences would prompt the nurse to administer this medication to the client?
- A. Paralytic ileus
 - B. Incisional pain
 - C. Urine retention
 - D. Nausea and vomiting
 
Correct answer: D
Rationale: The correct answer is D: Nausea and vomiting. Ondansetron is an antiemetic used to manage postoperative nausea and vomiting, as well as nausea and vomiting related to chemotherapy. It is not indicated for treating paralytic ileus, incisional pain, or urine retention. Paralytic ileus is a condition of the gastrointestinal tract characterized by the paralysis of intestinal muscles, which would not be treated with ondansetron. Incisional pain is typically managed with analgesics, not antiemetics. Urine retention is a urinary issue that does not involve nausea and vomiting, making ondansetron an inappropriate choice for this condition.
4. A client with chronic obstructive pulmonary disease (COPD) presented with shortness of breath. Oxygen therapy was started at 2 liters/minute via nasal cannula. The arterial blood gases (ABGs) after treatment were pH 7.36, PaO2 62, PaCO2 59, and HCO3. Which statement describes the most likely cause of the simultaneous increase in both the PaO2 and the PaCO2?
- A. The hypercapnia resulted from the rapid respirations.
 - B. The hypoxic drive was reduced by the oxygen therapy.
 - C. The client had a pneumothorax which restricted ventilation.
 - D. The client had a pulmonary embolism that reduced perfusion.
 
Correct answer: B
Rationale: In patients with COPD, oxygen therapy can reduce the hypoxic drive, which is the primary stimulus for breathing in these individuals. By providing supplemental oxygen, the hypoxic drive is diminished, resulting in decreased respiratory effort. As a consequence, the PaO2 may increase due to the supplemental oxygen, but this can lead to a decrease in the respiratory drive and subsequent retention of carbon dioxide, causing an increase in PaCO2 levels. Option A is incorrect because rapid respirations would typically lower PaCO2 levels. Option C is incorrect as a pneumothorax would lead to impaired gas exchange and decreased PaO2 levels without necessarily affecting PaCO2 levels. Option D is incorrect as a pulmonary embolism would typically result in ventilation-perfusion mismatch and decreased PaO2 levels without directly impacting PaCO2 levels.
5. In a patient with chronic obstructive pulmonary disease (COPD), which of the following interventions is most important?
- A. Encouraging the patient to stop smoking.
 - B. Administering bronchodilators.
 - C. Monitoring oxygen saturation.
 - D. Providing nutritional support.
 
Correct answer: C
Rationale: Monitoring oxygen saturation is the most important intervention in a patient with COPD because it helps assess the adequacy of oxygenation. In COPD, patients often have compromised lung function, leading to decreased oxygen levels in the blood. Monitoring oxygen saturation allows healthcare providers to promptly identify and address any potential hypoxemia, which is vital in managing COPD exacerbations. While encouraging the patient to stop smoking (Choice A) is critical for long-term management, monitoring oxygen saturation takes precedence in the immediate care of a COPD patient. Administering bronchodilators (Choice B) and providing nutritional support (Choice D) are important aspects of managing COPD but are secondary to monitoring oxygen saturation, which directly impacts the patient's oxygenation status.
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