Nursing Elites

1. How will a ventricular septal defect affect blood flow?

• A. Blood will shunt left to right, causing increased pulmonary flow and no cyanosis.
• B. Blood will shunt right to left, causing decreased pulmonary flow and cyanosis.
• C. No shunting occurs due to high pressure in the left ventricle.
• D. Increased pressure in the left atrium hinders the circulation of oxygenated blood in the circulating volume.

Correct answer: A

Rationale: A ventricular septal defect allows blood to shunt left to right, leading to increased pulmonary flow. This results in oxygenated blood mixing with deoxygenated blood, causing no cyanosis as the mixed blood is still oxygenated. The shunting from left to right overloads the pulmonary circulation, leading to increased pulmonary flow. Choice B is incorrect because blood does not shunt right to left in a ventricular septal defect. Choice C is incorrect as shunting does occur due to the pressure differences between the ventricles. Choice D is incorrect because the defect affects the ventricles, not the atrium, and does not hinder the circulation of oxygenated blood in the circulating volume.

2. You and your partner are performing CPR on a 2-year-old female in cardiac arrest. During your resuscitation attempt, you should:

• A. hyperventilate her due to severe hypoxia.
• B. attach the AED pads after 5 minutes of high-quality CPR.
• C. perform compressions and ventilations at a ratio of 30:2.
• D. allow the chest to fully recoil between compressions.

Correct answer: D

Rationale: Allowing the chest to fully recoil between compressions is crucial during CPR to ensure proper blood flow. This action allows the heart to refill with blood, enhancing the effectiveness of compressions and circulation. Hyperventilating the patient can lead to decreased cardiac output and is not recommended. Attaching AED pads should be done as soon as possible in a pediatric cardiac arrest situation, ideally within 2 minutes. The correct compression-to-ventilation ratio for pediatric CPR is 30:2, focusing on high-quality compressions to provide adequate perfusion to vital organs.

3. You are dispatched to a residence for a child with respiratory distress. The child is wheezing and has nasal flaring and retractions. His oxygen saturation is 92%. You should:

• A. place the child in a supine position.
• B. administer high-flow oxygen.
• C. begin chest compressions.
• D. administer low-flow oxygen.

Correct answer: B

Rationale: In a scenario where a child presents with respiratory distress, wheezing, nasal flaring, retractions, and an oxygen saturation of 92%, the appropriate intervention is to administer high-flow oxygen. This helps to improve oxygenation and alleviate the respiratory distress the child is experiencing. Placing the child in a supine position can worsen their condition by affecting their ability to breathe effectively. Chest compressions are not indicated in this case as the child is not in cardiac arrest. Administering low-flow oxygen may not provide adequate oxygenation for a child in respiratory distress with a saturation of 92%. Therefore, the priority is to administer high-flow oxygen to improve oxygen levels and support the child's breathing.

4. Which of the following findings is abnormal?

• A. Rapid, irregular breathing in a newly born infant
• B. Heart rate of 80 beats/min in a 3-month-old infant
• C. Respiratory rate of 26 breaths/min in a 2-year-old child
• D. Systolic BP of 100 mm Hg in a 10-year-old child

Correct answer: B

Rationale: A heart rate of 80 beats per minute in a 3-month-old infant is abnormally low for that age group and could indicate underlying health issues. The normal heart rate for a 3-month-old infant is typically higher, around 100-150 beats per minute. Therefore, this finding stands out as abnormal and warrants further evaluation. Choice A is not necessarily abnormal in a newly born infant as irregular breathing patterns can be common during the neonatal period. Choice C falls within the normal respiratory rate range for a 2-year-old child, which is around 20-30 breaths per minute. Choice D reflects a systolic blood pressure value within the normal range for a 10-year-old child, which is typically around 90-110 mm Hg.

5. A new parent is concerned because their newborn's stools are loose and yellow. The healthcare provider should explain that this is:

• A. A sign of dehydration
• B. A normal finding in breastfed infants
• C. Indicative of an infection
• D. Due to lactose intolerance

Correct answer: B

Rationale: Loose, yellow stools are a normal finding in breastfed infants. Breastfed infants often have loose, yellow stools due to the composition of breast milk. It is not typically a sign of dehydration, infection, or lactose intolerance in this context.

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