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 A
Explanation
A. Dysmenorrhea that is unresponsive to NSAIDs. Endometriosis often causes severe pelvic pain that does not improve with NSAIDs, distinguishing it from typical menstrual cramps.
B. A history of pelvic inflammatory disease (PID). PID is not directly associated with endometriosis and typically presents differently.
C. Abdominal bloating starting several days before menses. While bloating can occur with endometriosis, it is not a definitive symptom for diagnosis.
D. An atypical Papanicolaou smear at her last clinic visit. An atypical Pap smear is more related to cervical abnormalities, not endometriosis.
Correct Answer is D
Explanation
A. Administer Oxytocin IV per MD orders. This may be done after attempting fundal massage to help firm the uterus, but massage is the first step.
B. Notify the healthcare provider. This would be done if the fundus does not respond to massage or if excessive bleeding continues, but not before attempting to firm the fundus.
C. Document the fundal height and consistency. Documentation is important but should occur after addressing the immediate issue of a soft fundus to prevent hemorrhage.
D. Massage the fundus until it firms. The immediate action should be to massage the uterus to promote contraction and reduce bleeding. A soft, spongy uterus indicates uterine atony, which can lead to hemorrhage.
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