Nursing Elites

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. Methotrexate is prescribed for a client with rheumatoid arthritis (RA) who is also taking aspirin. What is the best explanation for the nurse to provide as to why a second medication has been added?

• A. Methotrexate slows the disease progression while aspirin controls the symptoms.
• B. Methotrexate helps to reduce the side effects of aspirin.
• C. Methotrexate has fewer harmful side effects than aspirin.
• D. Methotrexate enhances the effect of aspirin.

Correct answer: A

Rationale: The correct answer is A. Methotrexate is a disease-modifying antirheumatic drug (DMARD) that slows the progression of rheumatoid arthritis (RA), while aspirin helps control symptoms such as pain and inflammation. Therefore, the combination of methotrexate and aspirin is beneficial in managing RA by addressing both disease progression and symptom control. Choices B, C, and D are incorrect because methotrexate is not added to reduce the side effects of aspirin, has different side effects compared to aspirin, and does not enhance the effect of aspirin.

3. When conducting a class for parents about sudden infant death syndrome (SIDS), the nurse instructs the class that the infant should be placed in which position to sleep?

• A. Right side-lying
• B. Left side-lying
• C. Prone
• D. Supine

Correct answer: D

Rationale: The correct answer is D, supine. The American Academy of Pediatrics recommends placing infants on their back, or supine, to sleep as it has been shown to reduce the risk of SIDS. Choices A, B, and C are incorrect because placing infants on their right side, left side, or prone (on their stomach) respectively are not recommended sleeping positions due to the increased risk of SIDS associated with those positions.

4. A client with hyperkalemia is being treated in the emergency department. Which medication should the nurse prepare to administer?

• A. Potassium chloride
• B. Calcium gluconate
• C. Magnesium sulfate
• D. Sodium bicarbonate

Correct answer: B

Rationale: The correct answer is B, Calcium gluconate. In hyperkalemia, where potassium levels are elevated, calcium gluconate is administered to stabilize the myocardial cell membrane and protect the heart from potential arrhythmias. Potassium chloride (choice A) would worsen the condition by further increasing potassium levels. Magnesium sulfate (choice C) is not the primary treatment for hyperkalemia. Sodium bicarbonate (choice D) is used in metabolic acidosis, not specifically for hyperkalemia.

5. What are early signs of varicella disease?

• A. High fever over 101°F (38.3°C)
• B. General malaise
• C. Increased appetite
• D. Crusty sores

Correct answer: B

Rationale: The correct early sign of varicella disease is general malaise. During the prodromal period, patients may experience low-grade fever, malaise, and anorexia. Increased appetite and crusty sores are not typically early signs of varicella. The appearance of lesions occurs later in the course of the disease.

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