A nurse is preparing to administer a dose of prostaglandin E1 to an infant with a congenital heart disease. What is the primary therapeutic effect of this medication?
Improve oxygenation by increasing hemoglobin levels.
Reduce pulmonary blood flow and pressure.
Close a patent ductus arteriosus (PDA).
Promote the growth of cardiac muscle tissue.
The Correct Answer is C
A) Incorrect. Prostaglandin E1 does not directly increase hemoglobin levels or oxygenation in the blood.
B) Incorrect. Prostaglandin E1 helps maintain the patency of the ductus arteriosus to ensure adequate blood flow to systemic circulation, especially in certain congenital heart diseases. It does not reduce pulmonary blood flow and pressure.
C) The answer is C. Prostaglandin E1 is used to keep the ductus arteriosus open, allowing blood to flow from the pulmonary artery to the aorta. In certain congenital heart diseases, such as critical congenital heart defects, this is necessary to ensure adequate blood circulation.
D) Incorrect. Prostaglandin E1 does not promote the growth of cardiac muscle tissue. Its primary therapeutic effect is related to the patency of the ductus arteriosus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) This option is incorrect. Maintaining a sedentary lifestyle during pregnancy is not recommended, as moderate exercise can be beneficial for both maternal and fetal health.
B) This option is incorrect. Prenatal check-ups and ultrasounds are essential for monitoring the health and development of the fetus and identifying any potential issues, including congenital heart diseases.
C) Correct answer. Genetic counseling can help assess the risk of congenital heart diseases based on the family history and provide guidance and recommendations for future pregnancies. This counseling can assist in making informed decisions about prenatal care and potential interventions.
D) This option is incorrect. While a family history of congenital heart diseases may increase the risk, seeking appropriate medical guidance and prenatal care can help manage and address these risks.
Correct Answer is C
Explanation
A) This option is incorrect. While heart murmurs can be common and innocent in children, a harsh, loud, and continuous heart murmur requires further evaluation.
B) This option is incorrect. A harsh, loud, and continuous heart murmur is not a normal finding and should be assessed for potential congenital heart diseases.
C) Correct answer. The presence of a harsh, loud, and continuous heart murmur in a child with recurrent respiratory infections is
concerning for potential congenital heart diseases. It may indicate an abnormal blood flow within the heart, which warrants further evaluation and diagnosis.
D) This option is incorrect. Heart murmurs that are harsh, loud, and continuous are not considered benign and require further evaluation and monitoring.
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