Tetralogy of Fallot (TOF) involves which defects? Select all that apply.
Right ventricular hypertrophy
Left ventricular hypertrophy
Patent ductus arteriosus (PDA)
Ventricular septal defect (VSD)
Pulmonary stenosis (PS)
Overriding aorta
Correct Answer : A,D,E,F
A. Right ventricular hypertrophy is part of the pathophysiology of TOF, resulting from the increased workload on the right ventricle due to pulmonary stenosis.
B. Left ventricular hypertrophy is not part of TOF; the condition primarily affects the right ventricle.
C. Patent ductus arteriosus (PDA) is not a characteristic of TOF, although it may be present in some cases, it's not part of the primary defects.
D. Ventricular septal defect (VSD) is a primary defect in TOF, which allows blood to mix between the left and right ventricles.
E. Pulmonary stenosis (PS) is a key feature of TOF, causing right-sided obstruction.
F. Overriding aorta occurs when the aorta is positioned directly over the VSD, receiving blood from both the right and left ventricles.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D","E","F"]
Explanation
A. Household smoking increases the risk of otitis media by irritating the respiratory tract and impairing immune function.
B. A history of urinary tract infections is not a risk factor for otitis media.
C. Exposure to illness in daycare centers or schools increases the likelihood of respiratory infections, which can lead to otitis media.
D. Native American ethnicity has a higher incidence of otitis media, likely due to genetic and environmental factors.
E. Absence of breastfeeding increases the risk of otitis media because breastfeeding provides immune protection.
F. Craniofacial anomalies (e.g., cleft palate) increase the risk of otitis media due to poor Eustachian tube function and chronic ear infections.
Correct Answer is A
Explanation
A. The child is showing signs of severe respiratory distress, likely due to epiglottitis. The priority is to keep the child calm to avoid further airway obstruction and to prepare for emergency airway management.
B. While assessing the throat for epiglottitis is important, direct visualization of the throat can cause spasm and worsen airway obstruction.
C. The knee-to-chest position is typically used in cases of respiratory distress in infants (e.g., with RSV), but not in this case.
D. While IV access and fluids may be necessary, the immediate priority is securing the airway.
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