HESI LPN
HESI PN Exit Exam
1. What is the primary purpose of administering Rho(D) immune globulin (RhoGAM) to an Rh-negative mother after childbirth?
- A. To prevent Rh sensitization in future pregnancies
- B. To treat anemia in the newborn
- C. To increase the mother's white blood cell count
- D. To prevent infection in the newborn
Correct answer: A
Rationale: The correct answer is A: To prevent Rh sensitization in future pregnancies. RhoGAM is given to an Rh-negative mother to prevent the development of antibodies against Rh-positive blood cells. This prevents Rh sensitization, which could lead to hemolytic disease in future Rh-positive pregnancies. Choices B, C, and D are incorrect because RhoGAM is not used to treat anemia in the newborn, increase the mother's white blood cell count, or prevent infection in the newborn.
2. At what age does a 9-year-old child typically lose which of the following teeth?
- A. Central incisor
- B. Second molar
- C. Lateral incisor
- D. Cuspid
Correct answer: A
Rationale: A 9-year-old child typically loses their central incisors, not the lateral incisors or second molars. The central incisors are usually among the first teeth that children lose around 6 to 7 years of age, as part of the natural process of shedding primary teeth to make way for permanent teeth. The second molars and cuspids are typically lost later in the mixed dentition phase. Therefore, option A, 'Central incisor,' is the correct answer.
3. A client who is receiving chemotherapy has developed stomatitis. Which instruction should the nurse provide the UAP who is assisting with the care of this client?
- A. Keep the room environment free of unpleasant odors
- B. Gather supplies for protective environmental precautions
- C. Assist the client with feeding at meal times
- D. Provide gentle and meticulous mouth care
Correct answer: D
Rationale: Providing gentle and meticulous mouth care is critical for a client with stomatitis as it helps prevent further irritation and infection of the mucous membranes. Keeping the room environment free of unpleasant odors (Choice A) is important for the client's comfort but not directly related to managing stomatitis. Gathering supplies for protective environmental precautions (Choice B) is not relevant to addressing stomatitis. Assisting the client with feeding at meal times (Choice C) is important for overall care but does not specifically target the care needed for stomatitis.
4. A registered nurse is preparing to hang the first bag of total parenteral nutrition (TPN) solution. The client has a central line, and this is the first bag he will receive. Which of the following is the most essential piece of equipment to obtain prior to hanging the bag?
- A. Blood glucose meter
- B. Noninvasive blood pressure monitor
- C. Electronic infusion pump
- D. Urine test strips
Correct answer: C
Rationale: An electronic infusion pump is essential for administering TPN to ensure accurate delivery and avoid complications such as fluid overload or improper nutrient delivery. The pump helps regulate the flow rate precisely, which is crucial when infusing TPN. Monitoring the client's blood glucose is important but not immediately necessary before hanging the TPN bag. A noninvasive blood pressure monitor is not directly related to administering TPN and is not the most essential equipment needed for this procedure. Urine test strips are not required for administering TPN via a central line and are not essential equipment for this specific task.
5. A client has a prescription for a transcutaneous electrical nerve stimulator (TENS) unit for pain management during the postoperative period following a lumbar laminectomy. Which information should the nurse reinforce about the action of this adjuvant pain modality?
- A. The discharge of electricity will distract the client's focus from the pain
- B. An infusion of medication in the spinal canal will block pain perception
- C. Pain perception in the cerebral cortex is dulled by the unit's discharge of an electrical stimulus
- D. A mild electrical stimulus on the skin surface closes the gates of nerve conduction for severe pain
Correct answer: D
Rationale: The correct answer is D. TENS works by delivering a mild electrical stimulus to the skin, which can help close the 'gates' in the nervous system to block pain signals from reaching the brain, thus reducing pain perception. Choice A is incorrect because TENS does not distract from pain but rather helps manage it. Choice B is incorrect as it describes a different pain management technique involving medication in the spinal canal. Choice C is incorrect because TENS acts peripherally on nerve conduction rather than dulling pain perception in the cerebral cortex.
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