HESI RN
HESI Medical Surgical Exam
1. What is the most important nursing intervention for a patient with increased intracranial pressure (ICP)?
- A. Elevate the head of the bed to 30 degrees.
- B. Administer diuretics to reduce fluid volume.
- C. Administer corticosteroids to reduce inflammation.
- D. Keep the patient in a supine position.
Correct answer: A
Rationale: Elevating the head of the bed to 30 degrees is crucial for a patient with increased intracranial pressure (ICP) because it helps promote venous drainage from the brain, thereby reducing ICP. Keeping the head of the bed elevated helps facilitate cerebral perfusion and can prevent a further increase in ICP. Administering diuretics (Choice B) may be considered in some cases to reduce fluid volume, but it is not the most critical intervention for immediate ICP management. Administering corticosteroids (Choice C) is not typically indicated for managing increased ICP unless there is a specific underlying condition requiring their use. Keeping the patient in a supine position (Choice D) can actually worsen ICP by impeding venous outflow from the brain, making it an incorrect choice for this scenario.
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. In a patient with chronic kidney disease, which of the following is a common complication?
- A. Hyperkalemia.
- B. Hypernatremia.
- C. Hypocalcemia.
- D. Hyperphosphatemia.
Correct answer: A
Rationale: Hyperkalemia is a common complication in chronic kidney disease due to the kidneys' reduced ability to excrete potassium. As kidney function declines, potassium levels may increase, leading to hyperkalemia. Hypernatremia (increased sodium levels), hypocalcemia (low calcium levels), and hyperphosphatemia (elevated phosphate levels) are not typically associated with chronic kidney disease. Therefore, the correct answer is hyperkalemia.
4. A client recovering from surgery has a large abdominal wound. Which of the following foods, high in vitamin C, should the nurse encourage the client to eat to promote wound healing?
- A. Steak
- B. Veal
- C. Cheese
- D. Oranges
Correct answer: D
Rationale: Oranges are a rich source of vitamin C, which is essential for wound healing due to its role in collagen synthesis. Citrus fruits like oranges, as well as other fruits and vegetables such as strawberries, kiwi, bell peppers, and broccoli, are high in vitamin C. Meats like steak and veal are not significant sources of vitamin C; they are primarily sources of protein. Cheese is not a good source of vitamin C but does provide calcium and protein.
5. A client has lost a significant amount of blood due to complications during surgery. What parameter does the nurse recognize as the earliest indication of new decreases in fluid volume?
- A. Pulse rate
- B. Blood pressure
- C. Pulmonary artery systolic pressure
- D. Pulmonary artery end-diastolic pressure
Correct answer: A
Rationale: The earliest indication of new decreases in fluid volume is often recognized by an increase in pulse rate. Cardiac output is influenced by circulating blood volume, heart pumping action, and vascular tone. As fluid volume decreases, the body compensates by increasing the pulse rate. The formula for cardiac output is pulse rate multiplied by stroke volume. An elevated pulse rate helps maintain blood pressure with minor volume depletion. Pulmonary artery systolic pressure and pulmonary artery end-diastolic pressure, obtained through a pulmonary artery catheter, provide insights into pulmonary artery and left ventricle pressures at the end of diastole. These parameters are not the earliest indicators of new decreases in fluid volume compared to pulse rate.
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