HESI RN
HESI Fundamentals
1. The healthcare professional retrieves hydromorphone 4mg/mL from the Pyxis MedStation, an automated dispensing system, for a client who is receiving hydromorphone 3 mg IM 6 hours PRN for severe pain. How many mL should the healthcare professional administer to the client? (Enter the numerical value only. If rounding is required, round to the nearest tenth)
- A. 0.8 mL
- B. 0.75 mL
- C. 0.7 mL
- D. 0.9 mL
Correct answer: A
Rationale: To calculate the mL to administer, divide the ordered dose (3 mg) by the concentration (4 mg/mL). 3 mg ÷ 4 mg/mL = 0.75 mL. Rounding to the nearest tenth, the correct dose to administer is 0.8 mL.
2. A male client is on contact precautions due to an infected draining wound and is being discharged home. The client lives at home with his wife and their adolescent daughter. What discharge instruction should the nurse include for the client?
- A. Use disposable plates and utensils.
- B. Stay in a room with the door closed.
- C. Dispose of soiled dressings in plastic bags that are securely closed.
- D. Others who are in the same room with the client should wear a mask.
Correct answer: C
Rationale: When a client is on contact precautions due to an infected draining wound, it is important to prevent contact with wound secretions. Therefore, disposing of soiled dressings in securely closed plastic bags helps contain and prevent the spread of infectious material, reducing the risk of transmission to others in the household.
3. A client who has been on bed rest for several days is at risk for developing deep vein thrombosis (DVT). Which intervention should the nurse include in the client's plan of care?
- A. Encourage the client to ambulate as tolerated.
- B. Apply antiembolism stockings as prescribed.
- C. Elevate the client's legs on a pillow.
- D. Perform passive range-of-motion exercises daily.
Correct answer: B
Rationale: Applying antiembolism stockings as prescribed (B) is an effective intervention to prevent deep vein thrombosis (DVT) in a client on bed rest. While encouraging ambulation (A), elevating the legs (C), and performing passive range-of-motion exercises (D) are also beneficial, compression stockings are particularly effective in reducing the risk of DVT by promoting venous return and reducing stasis in the lower extremities.
4. When is the first dose of Hepatitis B vaccine typically administered?
- A. In the hospital at birth
- B. At one year old
- C. At six months
- D. At 18 months
Correct answer: A
Rationale: The first dose of the Hepatitis B vaccine is usually administered at birth in the hospital to provide early protection against the virus. Giving the vaccine at birth helps prevent perinatal transmission of Hepatitis B from an infected mother to her newborn. This early administration is crucial in establishing immunity in infants, as delaying the vaccine increases the risk of infection. Options B, C, and D are incorrect because delaying the administration of the Hepatitis B vaccine can leave infants vulnerable to the virus during the critical early months of life when they are most susceptible.
5. A client with a diagnosis of hyperkalemia is receiving sodium polystyrene sulfonate (Kayexalate). Which laboratory value should the nurse monitor to evaluate the effectiveness of this medication?
- A. Serum sodium level.
- B. Serum potassium level.
- C. Serum calcium level.
- D. Serum glucose level.
Correct answer: B
Rationale: The correct answer is B: Serum potassium level. Sodium polystyrene sulfonate (Kayexalate) is used to treat hyperkalemia by exchanging sodium ions for potassium ions in the intestines, leading to potassium removal from the body. Monitoring the serum potassium level allows the nurse to assess the effectiveness of this medication in lowering the elevated potassium levels. Serum sodium (A), calcium (C), and glucose (D) levels are not directly impacted by the action of sodium polystyrene sulfonate.
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