The nurse knows which congenital cardiac defect is characterized by a mixing of well-oxygenated blood with poorly oxygenated blood.
Hypoplastic heart syndrome
Atrioventricular canal defect
Tetralogy of Fallot
Coarctation of the aorta
The Correct Answer is B
A. Hypoplastic heart syndrome: Characterized by underdevelopment of the left side of the heart, not mixing of blood.
B. Atrioventricular canal defect: An atrioventricular canal defect allows oxygenated and deoxygenated blood to mix due to the presence of a common atrioventricular valve and defects in the atrial and ventricular septa. This defect results in a mixture of oxygenated and deoxygenated blood, which can cause varying levels of oxygenation in the blood delivered to the body.
C. Tetralogy of Fallot: Involves a ventricular septal defect leading to right-to-left shunting, but not a direct mixing of oxygenated and deoxygenated blood.
D. Coarctation of the aorta: Involves narrowing of the aorta, not mixing of oxygenated and deoxygenated blood.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "The most common manifestation of postpartum depression is harming the infant." This is incorrect; harming the infant is a severe complication but not the most common manifestation.
B. "It's common for clients who have postpartum depression to exhibit psychotic behavior." Psychotic behavior is a rare but serious complication of postpartum depression.
C. "Postpartum depression usually begins 48 hours after childbirth." Postpartum blues may start within this timeframe, but postpartum depression typically manifests later.
D. "Postpartum depression is more likely to occur in women who have a history of depression." This statement correctly identifies a significant risk factor for postpartum depression.
Correct Answer is B
Explanation
A. O negative blood type. This is significant for Rh incompatibility if the fetus is Rh-positive, but it is managed through routine prenatal care and does not require immediate intervention at 36 weeks.
B. Blood pressure 144/94 mmHg in left arm. This finding is concerning because it may indicate the development of preeclampsia, which requires immediate medical attention due to the potential risks to both the mother and fetus.
C. Positive rubella serum antibody titer. A positive titer indicates immunity to rubella, which is a good finding in pregnancy and not a concern.
D. Copious leukorrhea. This is common in late pregnancy and typically not a cause for concern unless it is accompanied by signs of infection or rupture of membranes.
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