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","C","E"]
Explanation
A. Rhythmic suckling. Indicates the infant is effectively extracting milk.
B. A slurping sound as the infant sucks. This suggests poor latch and possible ingestion of air.
C. Tongue down with lips flanged. Shows that the infant's tongue is extended over the lower gum and lips are flared outward, creating a seal.
D. Dimpling of the infant's cheeks while sucking. Indicates improper latch and poor seal around the breast.
E. Audible swallowing. Indicates milk transfer is occurring as the infant swallows.
Correct Answer is C
Explanation
A. A 10-year-old with a burn on the palm of the hand: This could potentially be accidental, for example, from touching a hot surface. However, while it requires further investigation, it is not as strongly indicative of abuse as the given option.
B. A 6-year-old with splash burns on the front torso: These burns could result from accidentally spilling hot liquids. Though it raises concern, it often indicates an accident rather than abuse unless accompanied by other suspicious signs.
C. A 4-year-old with circular abrasions around the wrists: This is highly suspicious of abuse because circular abrasions can indicate that the child may have been tied or restrained, which is not typical of accidents or normal play.
D. A 2-year-old with a large bruise on the forehead: This type of injury is common in young children who are prone to falls and bumps. It might not immediately suggest abuse without additional context.
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