HESI LPN
Medical Surgical HESI 2023
1. What most influences the severity of respiratory distress syndrome (RDS)?
- A. Poor cough and gag reflex
- B. The gestational age at birth
- C. Administering high concentrations of oxygen
- D. The sex of the infant
Correct answer: B
Rationale: The correct answer is B. The gestational age at birth most influences the severity of respiratory distress syndrome (RDS). RDS is caused by a deficiency of surfactant and it occurs almost exclusively in preterm, low-birth weight infants. Therefore, the gestational age at birth is a key factor in determining the likelihood and severity of RDS. Choices A, C, and D are incorrect as they do not directly relate to the primary factor influencing the severity of RDS.
2. A client with chronic kidney disease is receiving epoetin alfa. Which laboratory value should the nurse monitor to determine the effectiveness of the treatment?
- A. Blood urea nitrogen (BUN)
- B. Serum creatinine
- C. Hemoglobin and hematocrit
- D. Serum potassium
Correct answer: C
Rationale: The correct answer is C: Hemoglobin and hematocrit. Epoetin alfa is a medication that stimulates red blood cell production, so monitoring hemoglobin and hematocrit levels is essential to assess its effectiveness. These values reflect the oxygen-carrying capacity of the blood and can indicate if the treatment is improving anemia related to chronic kidney disease. Choices A, B, and D are incorrect. Blood urea nitrogen (BUN) and serum creatinine are indicators of kidney function, while serum potassium levels are monitored due to electrolyte imbalances commonly seen in kidney disease, but they do not directly reflect the effectiveness of epoetin alfa.
3. A woman with chronic osteoarthritis is complaining of knee pain. Which pathophysiological process is contributing to her pain?
- A. Inflammation of the synovial membrane.
- B. Degeneration of the cartilage in the joint.
- C. Joint inflammation occurs when chondrocyte injury destroys joint cartilage, producing osteophytes.
- D. Formation of uric acid crystals in the joint space.
Correct answer: C
Rationale: The correct answer is C. In osteoarthritis, the breakdown of cartilage in the joints leads to chondrocyte injury, which results in the destruction of joint cartilage and the production of osteophytes. This process causes joint inflammation and pain. Choice A is incorrect because osteoarthritis primarily involves the articular cartilage rather than the synovial membrane. Choice B is incorrect as it describes the degeneration of cartilage but does not explain the specific pathophysiological process contributing to pain in osteoarthritis. Choice D is incorrect as the formation of uric acid crystals is characteristic of gout, not osteoarthritis.
4. When performing postural drainage on a client with chronic obstructive pulmonary disease (COPD), which approach should the nurse use?
- A. Obtain arterial blood gases (ABGs) before the procedure.
- B. Explain that the client may be positioned in five different ways.
- C. Assist the patient into a position that will allow gravity to move secretions.
- D. Encourage the client to practice deep breathing throughout the procedure.
Correct answer: C
Rationale: The correct approach when performing postural drainage on a client with COPD is to assist the patient into a position that allows gravity to help move secretions. This position helps drain secretions from specific segments of the lungs. Obtaining arterial blood gases (Choice A) is not directly related to postural drainage. While the client may be placed in multiple positions during postural drainage, the key is to position them to facilitate the movement of secretions, not just any five positions as mentioned in Choice B. Encouraging deep breathing (Choice D) is a good nursing intervention for overall respiratory health but is not specifically related to the technique of postural drainage.
5. Which nursing intervention is most important for the nurse to implement when caring for an older client who is legally blind?
- A. Keep the room well-lit at all times.
- B. Speak to the client each time the nurse enters the room.
- C. Ensure the client wears glasses at all times.
- D. Provide written instructions in large print.
Correct answer: B
Rationale: The correct answer is to speak to the client each time the nurse enters the room. This intervention is crucial for orienting and reassuring the client, promoting safety, and facilitating communication. Keeping the room well-lit (Choice A) can be helpful but is not as essential as direct verbal communication. Ensuring the client wears glasses (Choice C) may not be feasible or necessary for someone who is legally blind. Providing written instructions in large print (Choice D) is not effective for a client with visual impairments.
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