HESI RN
HESI Medical Surgical Assignment Exam
1. A client without a history of respiratory disease has a pulse oximeter in place after surgery. The nurse monitors the pulse oximeter readings to ensure that oxygen saturation remains above:
- A. 85%
- B. 89%
- C. 95%
- D. 100%
Correct answer: C
Rationale: Pulse oximetry is a noninvasive method of continuously monitoring the oxygen saturation of hemoglobin (SaO2). In the absence of underlying respiratory disease, the expected oxygen saturation level is at least 95%. Oxygen saturation levels below 95% may indicate hypoxemia, which can compromise tissue perfusion and oxygen delivery to vital organs. Therefore, maintaining oxygen saturation above 95% is crucial to ensure adequate oxygenation post-surgery. Choices A, B, and D are incorrect as they represent oxygen saturation levels that are below the expected value for a client without a history of respiratory disease, which should be at least 95%.
2. The nurse assesses a client with advanced cirrhosis of the liver for signs of hepatic encephalopathy. Which finding would the nurse consider an indication of progressive hepatic encephalopathy?
- A. An increase in abdominal girth.
- B. Hypertension and a bounding pulse.
- C. Decreased bowel sounds.
- D. Difficulty in handwriting.
Correct answer: D
Rationale: Difficulty in handwriting is a common early sign of hepatic encephalopathy. Changes in handwriting can indicate progression or reversal of hepatic encephalopathy leading to coma. Choice (A) is a sign of ascites, not hepatic encephalopathy. Hypertension and a bounding pulse (Choice B) are not typically associated with hepatic encephalopathy. Decreased bowel sounds (Choice C) do not directly indicate an increase in serum ammonia level, which is the primary cause of hepatic encephalopathy.
3. A client has undergone renal angiography via the right femoral artery. The nurse determines that the client is experiencing a complication of the procedure upon noting:
- A. Urine output of 40 mL/hr
- B. Blood pressure of 118/76 mm Hg
- C. Respiratory rate of 18 breaths/min
- D. Pallor and coolness of the right leg
Correct answer: D
Rationale: Pallor and coolness of the right leg indicate a potential vascular complication following renal angiography, such as hemorrhage, thrombosis, or embolism. These signs suggest impaired circulation in the affected limb. Urine output, blood pressure, and respiratory rate are not typically associated with complications of renal angiography. Complications of this procedure mainly involve allergic reactions to the dye, dye-induced renal damage, and various vascular issues.
4. The nurse is providing teaching to a patient who will begin taking a cephalosporin to treat an infection. Which statement by the patient indicates a need for further teaching?
- A. I may stop taking the medication if my symptoms clear up.
- B. I should eat yogurt while taking this medication.
- C. I should stop taking the drug and call my provider if I develop a rash.
- D. I will not consume alcohol while taking this medication.
Correct answer: A
Rationale: Patients should take all of an antibiotic regimen even after symptoms clear to ensure complete treatment of the infection.
5. When monitoring a client who is receiving tissue plasminogen activator (t-PA), the nurse should have resuscitation equipment available because reperfusion of the cardiac tissue can result in which of the following?
- A. Cardiac arrhythmias.
- B. Hypertension.
- C. Seizures.
- D. Hypothermia.
Correct answer: A
Rationale: The correct answer is A: Cardiac arrhythmias. Reperfusion of cardiac tissue following t-PA administration can lead to cardiac arrhythmias, necessitating resuscitation equipment. Hypertension (choice B) is a common side effect of t-PA but is not directly related to reperfusion. Seizures (choice C) and hypothermia (choice D) are not typically associated with reperfusion from t-PA administration.
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