HESI LPN
PN Exit Exam 2023 Quizlet
1. A post-operative client is prescribed sequential compression devices (SCDs) while on bed rest. What is the primary purpose of this device?
- A. To prevent deep vein thrombosis (DVT).
- B. To improve circulation in the legs.
- C. To prevent pressure ulcers.
- D. To alleviate post-operative pain.
Correct answer: A
Rationale: The correct answer is A: 'To prevent deep vein thrombosis (DVT).' Sequential compression devices (SCDs) are primarily used to prevent deep vein thrombosis (DVT) by promoting blood flow in the legs and reducing venous stasis, which is a common risk for post-operative clients who are on bed rest. While SCDs do improve circulation in the legs indirectly, their primary purpose is DVT prevention. Preventing pressure ulcers is typically achieved through repositioning and support surfaces, not with SCDs, making choice C incorrect. SCDs are not used to alleviate post-operative pain, so choice D is also incorrect.
2. Which is the most important safety measure when administering a medication through a patient’s central venous catheter (CVC)?
- A. Using a sterile technique
- B. Ensuring correct placement of the CVC
- C. Flushing the CVC with saline after administration
- D. Monitoring for signs of infection
Correct answer: B
Rationale: The most important safety measure when administering a medication through a patient’s central venous catheter (CVC) is ensuring the correct placement of the CVC. This is crucial to prevent complications such as extravasation, infection, or improper drug delivery. While using a sterile technique, flushing the CVC with saline after administration, and monitoring for signs of infection are all important aspects of CVC care, ensuring the correct placement of the catheter takes precedence as it directly impacts patient safety during medication administration.
3. Which condition is commonly screened for in newborns using the Guthrie test?
- A. Phenylketonuria (PKU)
- B. Cystic fibrosis
- C. Down syndrome
- D. Sickle cell anemia
Correct answer: A
Rationale: The Guthrie test is specifically designed to screen newborns for phenylketonuria (PKU), a metabolic disorder that can lead to intellectual disability if left untreated. Phenylketonuria is caused by the deficiency of an enzyme required to metabolize the amino acid phenylalanine. Screening for PKU in newborns is crucial as early diagnosis and intervention can prevent the severe consequences associated with the condition. Choices B, C, and D are incorrect as the Guthrie test is not used to screen for cystic fibrosis, Down syndrome, or sickle cell anemia.
4. While conducting a mental status examination of a newly admitted male client, the PN notes that his head is lowered, and he shows no emotion or expression when speaking. Based on these observations, what documentation should the PN include?
- A. Impaired verbalization
- B. Depressed mood
- C. Flat affect
- D. Diminished LOC
Correct answer: C
Rationale: The correct answer is C: 'Flat affect.' Flat affect refers to a lack of emotional expression, which the PN observed in the client. This observation is significant as it can provide valuable information for the client's mental health assessment and subsequent care planning. Choice A, 'Impaired verbalization,' does not capture the lack of emotional expression seen in the client. Choice B, 'Depressed mood,' may not accurately reflect the observed behavior of the client. Choice D, 'Diminished LOC,' pertains to the level of consciousness, which was not indicated as being a concern in the scenario provided.
5. A child with glomerulonephritis is admitted in the acute edematous phase. Based on this diagnosis, which nursing intervention should the PN plan to include in the child's plan of care?
- A. Recommend parents bring favorite snacks
- B. Encourage ambulation daily to the playroom
- C. Measure blood pressure every 4 to 6 hours
- D. Offer a selection of fresh fruit for each meal
Correct answer: C
Rationale: The correct answer is to measure blood pressure every 4 to 6 hours. In glomerulonephritis, monitoring blood pressure is crucial as hypertension is a common complication. This helps in assessing the child's condition and response to treatment. Choice A, recommending parents bring favorite snacks, is not related to managing glomerulonephritis. Choice B, encouraging ambulation daily to the playroom, may not be appropriate during the acute edematous phase when the child may be experiencing fluid overload. Choice D, offering a selection of fresh fruit for each meal, is not directly relevant to managing the complications of glomerulonephritis.
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