Which combination of symptoms, in conjunction with this finding, would confirm a diagnosis of rheumatic fever?
- A. Subcutaneous nodules and fever
- B. Painful, tender joints, and carditis
- C. Erythema marginatum and arthralgia
- D. Chorea and elevated sedimentation rate
Correct Answer: B
Rationale: Painful, tender joints and carditis, along with an elevated ASO titer, meet the major Jones criteria for diagnosing rheumatic fever.
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What does the nurse recognize that this indicates?
- A. Seizure activity
- B. Hypoxia
- C. Sydenham's chorea
- D. Decreasing level of consciousness
Correct Answer: C
Rationale: Sydenham's chorea, characterized by involuntary limb movements, is a neurological manifestation of rheumatic fever.
Which statement by the father leads the nurse to determine he understood the instructions?
- A. If the baby turns blue, I will hold him against my shoulder with his knees bent up toward his chest.'
- B. If the baby turns blue, I will lay him down on a firm surface with his head lower than the rest of his body.'
- C. If the baby turns blue, I will immediately put the baby upright in an infant seat.'
- D. If the baby turns blue, I will put the baby in supine position with his head elevated.'
Correct Answer: A
Rationale: The knee-chest position during a hypercyanotic spell in tetralogy of Fallot increases venous return and reduces cyanosis.
What are the four structural heart anomalies that make up the tetralogy of Fallot?
- A. Hypertrophied right ventricle
- B. Patent ductus arteriosus
- C. Ventral septal defect
- D. Narrowing of pulmonary artery
- E. Dextroposition of aorta
Correct Answer: A,B,D,E
Rationale: Tetralogy of Fallot includes a hypertrophied right ventricle, patent ductus arteriosus, pulmonary artery stenosis, and dextroposition of the aorta. Note: The document incorrectly lists 'ventral septal defect' instead of 'ventricular septal defect,' but the correct term is assumed.
Which congenital cardiac defect(s) cause(s) increased pulmonary blood flow?
- A. Atrial septal defects (ASDs)
- B. Tetralogy of Fallot
- C. Dextroposition of aorta
- D. Patent ductus arteriosus
- E. Ventricular septal defects (VSDs)
Correct Answer: A,D,E
Rationale: ASDs, patent ductus arteriosus, and VSDs cause increased pulmonary blood flow due to left-to-right shunting.
What does the nurse understand regarding why dyspnea occurs?
- A. Blood is circulated through the lungs again, causing pulmonary circulatory congestion.
- B. Blood is shunted past the pulmonary circulation, causing pulmonary hypoxia.
- C. Blood is shunted past cardiac arteries, causing myocardial hypoxia.
- D. Blood is circulated through the ductus from the pulmonary artery to the aorta, bypassing the left side of the heart.
Correct Answer: A
Rationale: In patent ductus arteriosus, oxygenated blood recycles through the lungs, causing pulmonary congestion and dyspnea.
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