Nokea
The Duke criterion for the diagnosis of endocarditis is a major
- A. new regurgitant flow by echocardiography
- B. Osler nodes
- C. single positive blood culture
- D. serologic evidence of infection
Correct Answer: C
Rationale: A single positive blood culture is one of the major criteria for diagnosing endocarditis.
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The nurse is caring for a child with a diagnosis of Kawasaki disease. The child's parent asks the nurse, 'How does Kawasaki disease affect my child's heart and blood vessels?' On what understanding is the nurse's response based?
- A. Inflammation weakens blood vessels, leading to aneurysm.
- B. Increased lipid levels lead to the development of atherosclerosis.
- C. Untreated disease causes mitral valve stenosis.
- D. Altered blood flow increases cardiac workload with resulting heart failure.
Correct Answer: A
Rationale: Inflammation of vessels weakens the walls of the vessels and often results in aneurysm.
The MOST common cause of pulmonary hypertension in pediatric patients is
- A. idiopathic pulmonary hypertension
- B. pulmonary venoocclusive disease
- C. left-sided valvular heart disease
- D. chronic obstructive pulmonary disease
Correct Answer: A
Rationale: Idiopathic pulmonary hypertension is a rare but recognized cause of pulmonary hypertension in children.
Restrictive cardiomyopathy (RCM) is characterized by all the following EXCEPT
- A. normal ventricular chamber dimensions
- B. normal myocardial wall thickness
- C. preserved systolic function
- D. normal atrial chamber dimensions
Correct Answer: D
Rationale: Restrictive cardiomyopathy is characterized by impaired ventricular filling and high diastolic pressures despite normal systolic function.
A male client in skeletal traction tells the nurse that he is frustrated because he needs help repositioning himself in bed. Which intervention should the nurse implement?
- A. Provide an overhead trapeze to the bed for the client to use
- B. Assist the client with repositioning every hour to prevent discomfort.
- C. Encourage the client to use a bedpan instead of getting up to the bathroom.
- D. Offer additional pain medication to help the client relax.
Correct Answer: A
Rationale: An overhead trapeze allows the client to reposition independently, promoting autonomy and reducing frustration.
Dome and dart P wave in lead V1 in electrocardiogram is suggestive of which of the following?
- A. Dextrocardia
- B. Left atrial ectopic rhythm
- C. Biatrial enlargement
- D. Mitral stenosis
Correct Answer: C
Rationale: The dome and dart P wave morphology is characteristic of biatrial enlargement, often seen in conditions like mitral stenosis and atrial fibrillation.