A nurse is assessing a child who has a congenital heart defect. The nurse should recognize that which of the following defects is associated with increased pulmonary blood flow?
Coarctation of the aorta
Patent ductus arteriosus
Tetralogy of Fallot
Tricuspid atresia
The Correct Answer is B
A. Coarctation of the aorta
Coarctation of the aorta involves a narrowing of the aorta, leading to decreased blood flow to the lower body. It is not associated with increased pulmonary blood flow.
B. Patent ductus arteriosus
Patent ductus arteriosus (PDA) is a congenital heart defect where the ductus arteriosus, a fetal blood vessel that usually closes shortly after birth, remains open. This allows blood to flow from the aorta into the pulmonary artery, increasing pulmonary blood flow. Therefore, option B is correct.
C. Tetralogy of Fallot
Tetralogy of Fallot is a congenital heart defect characterized by four abnormalities, including a ventricular septal defect (VSD), pulmonary stenosis, right ventricular hypertrophy, and an overriding aorta. While it can lead to cyanosis due to right-to-left shunting, it is not primarily associated with increased pulmonary blood flow.
D. Tricuspid atresia
Tricuspid atresia involves the absence of the tricuspid valve, leading to a lack of direct blood flow from the right atrium to the right ventricle. It usually presents with decreased pulmonary blood flow rather than increased pulmonary blood flow.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. "Honor the child's request if she holds her breath.": This instruction is incorrect and potentially dangerous. Giving in to the child's demands when they hold their breath during a temper tantrum can reinforce the behavior and may lead to more frequent and intense tantrums. It's important for parents to remain calm and not give in to unreasonable demands during tantrums.
B. "Establish a structured daily routine for the child.": This instruction is appropriate. A structured daily routine can help toddlers feel secure and provide predictability, which may reduce the likelihood of tantrums. Consistency in meal times, naptimes, and activities can help toddlers know what to expect and feel more in control of their environment.
C. "Place the child in her room alone until the temper tantrum ends.": While it may be necessary to remove a toddler from a potentially dangerous situation during a tantrum, isolating them in their room alone is not recommended. It's important for parents to stay nearby to ensure the child's safety and to provide comfort and support as needed.
D. "Comfort the child during the temper tantrum.": Providing comfort and reassurance to a child during a temper tantrum can be helpful, as long as it's done in a calm and supportive manner. Reassuring words and gentle touch can help the child feel secure and may help to de-escalate the tantrum more quickly.
Correct Answer is B
Explanation
A. "I should place the shoulder harness above the level of my baby's shoulders."
This statement is incorrect. Placing the shoulder harness above the baby's shoulders could lead to improper restraint in the event of a crash. The harness should be positioned at or slightly below the level of the baby's shoulders to provide effective protection.
B. "I should place the car seat rear-facing until my baby is 2 years old."
This statement is correct. The American Academy of Pediatrics recommends that infants and toddlers ride in a rear-facing car seat until they are at least 2 years old or until they reach the maximum height and weight limit specified by the car seat manufacturer. This position provides optimal protection for the baby's head, neck, and spine in the event of a crash.
C. "I will place the retainer clip over my baby's abdomen."
This statement is incorrect. The retainer clip, also known as the chest clip, should be positioned at armpit level to secure the harness straps. Placing it over the baby's abdomen could result in serious injuries in the event of a crash.
D. "I should position my baby at a 30-degree angle in the car seat."
This statement is incorrect. Infants should be positioned at a 45-degree angle in their car seats. This angle helps to keep the baby's airway open and prevents the head from flopping forward, which could restrict breathing. Placing the baby at a 30-degree angle may not provide adequate support and protection.
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