HESI LPN
Medical Surgical Assignment Exam HESI
1. 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.
2. Which dietary modification is most appropriate for a client with nephrotic syndrome?
- A. High protein, low sodium
- B. Low protein, high sodium
- C. High protein, high potassium
- D. Low protein, low sodium
Correct answer: D
Rationale: The most appropriate dietary modification for a client with nephrotic syndrome is a low protein, low sodium diet. This diet helps reduce the workload on the kidneys and manage edema, which are common issues in nephrotic syndrome. Choice A, high protein, low sodium, is not recommended because excessive protein intake can further strain the kidneys. Choice B, low protein, high sodium, is inappropriate as high sodium can worsen fluid retention and hypertension. Choice C, high protein, high potassium, is not ideal as high potassium levels can be problematic for individuals with kidney issues.
3. A client with cirrhosis is receiving lactulose. What is the desired effect of this medication?
- A. Decrease blood glucose levels
- B. Reduce serum ammonia levels
- C. Increase platelet count
- D. Lower serum bilirubin levels
Correct answer: B
Rationale: The correct answer is B: Reduce serum ammonia levels. Lactulose is used to reduce serum ammonia levels in clients with cirrhosis, helping to prevent hepatic encephalopathy. Lactulose works by acidifying the colon, trapping ammonia for excretion. Decreasing blood glucose levels (choice A) is not the primary effect of lactulose. Increasing platelet count (choice C) and lowering serum bilirubin levels (choice D) are not direct effects of lactulose in the management of cirrhosis.
4. When caring for a 7-week-old infant with hypothyroidism, the nurse explains that the prevention of what complication is dependent on the administration of oral thyroid replacement therapy and is critical for the child?
- A. Excessive growth
- B. Cognitive impairment
- C. Damage to the nervous system
- D. Damage to the urinary system
Correct answer: B
Rationale: The correct answer is B: Cognitive impairment. The treatment of choice for congenital and acquired hypothyroidism is oral thyroid hormone replacement therapy. Prompt treatment is especially critical in the infant with congenital hypothyroidism to avoid permanent cognitive impairment. Excessive growth (Choice A) is not a common complication of hypothyroidism in infants. Damage to the nervous system (Choice C) and damage to the urinary system (Choice D) are not typically associated with untreated hypothyroidism in infants.
5. When is the best time to administer pancreatic enzyme replacement?
- A. Before meals and snacks
- B. Before bedtime
- C. Early in the morning
- D. After meals and snacks
Correct answer: A
Rationale: The correct answer is to administer pancreatic enzyme replacement before meals and snacks. This timing is crucial as it allows the enzymes to assist in the digestion of carbohydrates, fats, and proteins that are consumed during the meals. Administering the replacement after meals and snacks would not be effective as the enzymes need to be present in the digestive system when food is consumed. Options B and C are incorrect as they do not align with the optimal timing for pancreatic enzyme replacement administration.
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