HESI LPN
Medical Surgical Assignment Exam HESI Quizlet
1. Which type of lipoprotein is associated with decreasing the risk of atherosclerosis?
- A. High-density lipoprotein (HDL)
- B. Low-density lipoprotein (LDL)
- C. Very low-density lipoprotein (VLDL)
- D. Intermediate-density lipoprotein (IDL)
Correct answer: A
Rationale: The correct answer is High-density lipoprotein (HDL). HDL is known as 'good' cholesterol because it helps remove cholesterol from the arteries, reducing the risk of atherosclerosis. LDL (choice B) is considered 'bad' cholesterol as it can deposit cholesterol in the arteries, increasing the risk of atherosclerosis. VLDL (choice C) and IDL (choice D) are also associated with increased risk of atherosclerosis rather than decreasing it.
2. What is a causative factor of Hirschsprung disease?
- A. Frequent evacuation of solids, liquid, and gases
- B. Excessive peristaltic movement
- C. The absence of parasympathetic ganglion cells in a portion of the colon
- D. One portion of the bowel telescoping into another
Correct answer: C
Rationale: The correct answer is C: The absence of parasympathetic ganglion cells in a portion of the colon is a causative factor of Hirschsprung disease. This absence leads to the inability of the affected segment of the colon to relax, causing a functional obstruction. Choices A, B, and D are incorrect. Frequent evacuation of solids, liquid, and gases, excessive peristaltic movement, and one portion of the bowel telescoping into another are not causative factors of Hirschsprung disease.
3. What is the hallmark sign of intussusception?
- A. Mucus-like stools
- B. Currant jelly-like stools
- C. Tarry, black stools
- D. Green, soft stools
Correct answer: B
Rationale: The hallmark sign of intussusception is currant jelly-like stools, which result from the mixture of blood and mucus in the stool due to the sloughing of intestinal mucosa. Mucus-like stools (Choice A) are not typically associated with intussusception. Tarry, black stools (Choice C) are characteristic of gastrointestinal bleeding higher up in the gastrointestinal tract, such as from a peptic ulcer. Green, soft stools (Choice D) are more indicative of rapid transit through the intestines, possibly due to dietary factors or infections such as gastroenteritis.
4. Following surgical repair of the bladder, a female client is being discharged from the hospital to home with an indwelling urinary catheter. Which instruction is most important for the nurse to provide to this client?
- A. Avoid coiling the tubing and keep it free of kinks.
- B. Cleanse the perineal area with soap and water twice daily.
- C. Keep the drainage bag lower than the level of the bladder.
- D. Drink 1,000 ml of fluids daily to irrigate the catheter.
Correct answer: C
Rationale: The most crucial instruction for a client with an indwelling urinary catheter post-bladder surgery is to keep the drainage bag positioned lower than the level of the bladder. This positioning prevents backflow of urine into the bladder, reducing the risk of infection. Choice A, avoiding coiling the tubing and keeping it free of kinks, is important to maintain proper flow but not as critical as ensuring the drainage bag is lower than the bladder. Choice B, cleansing the perineal area, is essential for overall hygiene but not directly related to catheter care instructions. Choice D, drinking fluids to irrigate the catheter, is not recommended as it may increase the risk of infection and should be guided by healthcare providers based on specific needs.
5. After hospitalization for SIADH, a client develops pontine myelinolysis. Which intervention should the nurse implement first?
- A. Reorient the client to the room
- B. Place an eye patch on one eye
- C. Evaluate the client's ability to swallow
- D. Perform range of motion exercises
Correct answer: C
Rationale: Evaluating the client's ability to swallow is the priority intervention in this scenario. Pontine myelinolysis can affect neurological functions, including swallowing ability, putting the client at risk for aspiration. Assessing the client's ability to swallow will help prevent complications such as aspiration pneumonia. Reorienting the client to the room, placing an eye patch, or performing range of motion exercises are not as critical as ensuring the client can safely swallow.
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