HESI LPN
Medical Surgical HESI
1. A young adult client, admitted to the emergency department following a motor vehicle collision, is transfused with 4 units of PRBCs. The client’s pretransfusion hematocrit is 17%. Which hematocrit value should the nurse expect the client to have after all PRBCs have been transfused?
- A. 23%
- B. 25%
- C. 27%
- D. 29%
Correct answer: D
Rationale: One unit of PRBCs typically raises the hematocrit by 3%. Since the client received 4 units, the hematocrit is expected to increase by approximately 12% (4 units x 3% per unit). Therefore, the nurse should expect the client's hematocrit to be 29% after all PRBCs have been transfused. Choices A, B, and C are incorrect as they do not account for the cumulative effect of multiple PRBC units on the hematocrit level.
2. What is the most common method of attempted suicide?
- A. Hanging
- B. Drug overdose
- C. Gunshot
- D. Slashing the wrists
Correct answer: B
Rationale: Drug overdose is the most common method of attempted suicide. While hanging, gunshot, and slashing the wrists are also methods used in suicide attempts, statistics show that drug overdose is the most prevalent method chosen by individuals attempting suicide. Hanging, gunshot, and slashing the wrists are indeed common methods as well, but drug overdose ranks highest in terms of frequency.
3. Following a bout of diarrhea, which foods should be offered to the school-age child?
- A. Apricots and peaches
- B. Chocolate milk
- C. Applesauce and milk
- D. Bananas and rice
Correct answer: D
Rationale: After rehydration, it is important to offer foods that are nonirritating to the bowel to the child. Bananas and rice are considered the best options as they are least likely to irritate the gastrointestinal tract. Apricots, peaches, and applesauce are fruits that may cause GI irritation, while milk, including chocolate milk, can also be irritating to the bowel. Therefore, the optimal choice for a child recovering from diarrhea would be bananas and rice.
4. A client who is experiencing respiratory distress is admitted with respiratory acidosis. Which pathophysiological process supports the client’s respiratory acidosis?
- A. Low oxygen levels are present in the blood.
- B. High levels of carbon dioxide have accumulated in the blood.
- C. Increased bicarbonate levels are causing alkalosis.
- D. Respiratory rate is increased, causing hyperventilation.
Correct answer: B
Rationale: High levels of carbon dioxide in the blood lead to respiratory acidosis due to inadequate ventilation. The correct answer is B. In respiratory acidosis, the accumulation of carbon dioxide in the blood occurs due to inadequate exhalation, leading to acidosis. Choice A is incorrect as low oxygen levels are related to hypoxemia, not respiratory acidosis. Choice C is incorrect as increased bicarbonate levels would lead to alkalosis, not acidosis. Choice D is incorrect as an increased respiratory rate causing hyperventilation would actually help decrease carbon dioxide levels, not lead to respiratory acidosis.
5. Which nursing intervention promotes achievement of the goal 'optimal mobility' for a client who had a total hip replacement 8 hours ago?
- A. Encourage the client to use an abductor pillow when ambulating.
- B. Teach the client to perform leg exercises in bed.
- C. Assist the client to sit at the edge of the bed.
- D. Assist the client to turn while an abductor pillow is between the legs.
Correct answer: D
Rationale: Assisting the client to turn while an abductor pillow is between the legs is the correct intervention to promote optimal mobility for a client who had a total hip replacement 8 hours ago. Using an abductor pillow helps maintain hip alignment and prevents dislocation, which are crucial considerations in the early postoperative period. Encouraging the client to use an abductor pillow when turning is more beneficial compared to the other options: teaching leg exercises in bed, encouraging the use of a walker when ambulating, or assisting the client to sit at the edge of the bed, as these interventions may not directly address the specific needs of a client after a total hip replacement.
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