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. When discussing heart conditions, a healthcare provider explains a condition in which the lungs retain extra fluid due to left ventricular impairment. What is this condition?

• A. Whooping cough
• B. Pneumonia
• C. Asthma
• D. Pulmonary edema

Correct answer: D

Rationale: Pulmonary edema is the correct answer. It is a condition characterized by the retention of extra fluid in the lungs, often due to left ventricular impairment. This fluid buildup can lead to symptoms such as shortness of breath, coughing, and difficulty breathing. Whooping cough (Choice A), pneumonia (Choice B), and asthma (Choice C) are not conditions related to the retention of fluid in the lungs due to left ventricular impairment. Whooping cough is a bacterial respiratory infection, pneumonia is an infection that inflames the air sacs in one or both lungs, and asthma is a chronic respiratory condition characterized by airway inflammation and constriction.

3. A 3-year-old child has been admitted to your pediatric ward. The doctor gave a provisional diagnosis of respiratory tract infection. After careful assessment and history, a final diagnosis of lower respiratory infection was made. Which of the following signs will confirm the diagnosis?

• A. Cough
• B. Fever
• C. Inability to lie supine
• D. Inability to eat

Correct answer: C

Rationale: Inability to lie supine is a characteristic sign of lower respiratory infection. This positioning preference is often seen in patients with lower respiratory infections due to discomfort or difficulty breathing when lying flat on their back. While cough and fever are common symptoms associated with respiratory infections, they are not specific to lower respiratory infections. Inability to eat may indicate general illness or discomfort but is not a specific indicator of lower respiratory infection.

4. A new parent reports to the nurse that the baby looks cross-eyed several times a day. The nurse teaches the parents that this finding should resolve in how long?

• A. 2 months
• B. 2 weeks
• C. 1 year
• D. 4 months

Correct answer: D

Rationale: Transient strabismus, causing the baby to look cross-eyed, is due to poor neuromuscular control of the eye muscles. This condition typically resolves on its own within 3 to 4 months as the infant's neuromuscular control improves. Parents should be reassured that this is a common and temporary issue in infants. Choice A is incorrect as it is too long for the resolution of transient strabismus. Choice B is incorrect as 2 weeks is too short for resolution. Choice C is incorrect as 1 year is too long for transient strabismus to resolve.

5. When assisting ventilations in a 4-year-old child with a bag-valve mask, what should the EMT do?

• A. Deliver each breath over 2 to 3 seconds.
• B. Ensure the appropriate mask size is used.
• C. Block the pop-off valve if needed to achieve adequate chest rise.
• D. Reassess the pulse rate after 60 seconds.

Correct answer: C

Rationale: When assisting ventilations in a 4-year-old child with a bag-valve mask, the EMT should block the pop-off valve if needed to achieve adequate chest rise. This action helps ensure effective ventilation and adequate oxygenation in the child. Blocking the pop-off valve allows for better control over the volume of air delivered and can help maintain positive pressure in the airway, assisting in improving oxygenation and ventilation in the child. Choices A, B, and D are incorrect because delivering each breath over 2 to 3 seconds is a general guideline but may need adjustment based on patient response, ensuring the appropriate mask size is important but not the primary concern in this scenario, and reassessing the pulse rate is not directly related to the ventilation technique being discussed.

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