Children with defects with decreased pulmonary blood flow frequently have which of the following symptoms?
a. nausea, vomiting, and chest pain
b. slowed shallow breathing, diaphoresis, and flushed face
c. hypoxia, cyanosis, polycythemia, erythrocytosis
d. no symptoms at rest and extreme exhaustion on activity
C
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A Incorrect. Children with defects with decreased pulmonary blood flow do not frequently have nausea, vomiting, and chest pain.
B Incorrect. Children with defects with decreased pulmonary blood flow do not frequently have slowed shallow breathing, diaphoresis, and flushed face.
C Correct. Children with defects with decreased pulmonary blood flow frequently have symptoms of hypoxia, cyanosis, polycythemia, and erythrocytosis. In these defects, the amount of blood flow to the pulmonary system is decreased, resulting in shunting of unoxygenated blood from the right side of the heart to the left. There is a mixing of oxygenated and unoxygenated blood in the systemic circulation.
D Incorrect. Children with defects with decreased pulmonary blood flow are hypoxemic. Therefore, they tire easily and suffer extreme exhaustion on activity.
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