Nursing Elites

1. The healthcare provider is assessing an infant with pyloric stenosis. Which pathophysiological mechanism is the most likely consequence of this infant's clinical picture?

• A. Metabolic alkalosis.
• B. Respiratory acidosis.
• C. Metabolic acidosis.
• D. Respiratory alkalosis.

Correct answer: A

Rationale: Pyloric stenosis leads to obstruction at the outlet of the stomach, causing frequent vomiting and loss of stomach acids. This results in a loss of hydrochloric acid and hydrogen ions, leading to metabolic alkalosis due to an increase in serum bicarbonate levels. Therefore, the correct answer is metabolic alkalosis. Choice B, respiratory acidosis, is incorrect as it is not typically associated with pyloric stenosis. Choice C, metabolic acidosis, is incorrect because the loss of stomach acids in pyloric stenosis leads to metabolic alkalosis, not acidosis. Choice D, respiratory alkalosis, is also incorrect as it is not the usual consequence of pyloric stenosis.

2. A 14-year-old client with type 1 diabetes is participating in a school sports event. The nurse provides education to the client about managing blood glucose levels during physical activity. Which statement by the client indicates a need for further teaching?

• A. I should check my blood sugar before and after exercise
• B. I need to eat a snack before I start playing
• C. If my blood sugar is high, I should skip my insulin dose before exercise
• D. I should carry a fast-acting carbohydrate with me during sports

Correct answer: C

Rationale: The correct answer is C. Skipping the insulin dose when blood sugar is high before exercise can be harmful. It is essential to manage blood glucose levels carefully during physical activity, which may require adjustments to insulin doses but skipping doses is not recommended. Checking blood sugar before and after exercise (Choice A) helps in monitoring and managing blood glucose levels. Eating a snack before playing (Choice B) can help maintain blood sugar levels during physical activity. Carrying a fast-acting carbohydrate (Choice D) is important in case of low blood sugar during sports to quickly raise glucose levels. Therefore, the client needs further teaching on the importance of not skipping insulin doses even if blood sugar is high before exercise.

3. The practical nurse is reinforcing education with the parents of a child prescribed iron supplements for iron-deficiency anemia. Which statement by the parents indicates they need further instruction?

• A. We will give the iron supplement with milk to reduce stomach upset.
• B. We should give the iron supplement with orange juice to improve absorption.
• C. The supplement may cause the stools to appear dark or black.
• D. We should store the iron supplements out of reach of children.

Correct answer: A

Rationale: Iron supplements should not be given with milk as calcium can interfere with iron absorption. Instead, it is recommended to give it with a source of vitamin C, such as orange juice, to enhance iron absorption. Giving iron supplements with milk may decrease the absorption of iron and should be avoided. Choice B is the correct method to improve iron absorption. Choice C is correct as iron supplements can cause dark or black stools due to unabsorbed iron. Choice D is also correct as iron supplements should always be stored out of reach of children to prevent accidental ingestion.

4. The nurse is conducting an admission assessment of an 11-month-old infant with CHF who is scheduled for repair of restenosis of coarction of the aorta that was repaired 4 days after birth. Findings include blood pressure higher in the arms than the lower extremities, pounding brachial pulses, and slightly palpable femoral pulses. What pathophysiologic mechanisms support these findings?

• A. The aortic semilunar valve obstructs blood flow into the systemic circulation
• B. The lumen of the aorta reduces the volume of the blood flow to the lower extremities
• C. The pulmonic valve prevents adequate blood volume into the pulmonary circulation
• D. An opening in the atrial septum causes a murmur due to a turbulent left-to-right shunt

Correct answer: B

Rationale: The correct answer is B. Coarctation of the aorta causes narrowing of the aorta, reducing blood flow to the lower extremities. This narrowing results in higher blood pressure in the arms compared to the lower extremities, along with stronger brachial pulses and slightly palpable femoral pulses. Choices A, C, and D are incorrect because they do not align with the pathophysiological mechanism of coarctation of the aorta, which specifically leads to reduced blood flow to the lower extremities.

5. When assessing a child with suspected meningitis, which finding is a characteristic sign of meningitis?

• A. High-pitched cry
• B. Tachycardia
• C. Photophobia
• D. Hypotension

Correct answer: C

Rationale: Photophobia, which is sensitivity to light, is a characteristic sign of meningitis in children. It commonly presents along with symptoms such as headache and neck stiffness. This symptom is important to recognize early for prompt diagnosis and treatment of meningitis.

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