Which Structural Defects Constitute Tetralogy of Fallot

question 50

Multiple Choice

Which structural defects constitute tetralogy of Fallot?

• A) Pulmonic stenosis, ventricular septal defect, overriding aorta, right ventricular hypertrophy
• B) Aortic stenosis, ventricular septal defect, overriding aorta, right ventricular hypertrophy
• C) Aortic stenosis, atrial septal defect, overriding aorta, left ventricular hypertrophy
• D) Pulmonic stenosis, ventricular septal defect, aortic hypertrophy, left ventricular hypertrophy

---

Definitions:

Haemophilus Influenzae

A type of bacteria that can cause various infections, particularly in children, including pneumonia, meningitis, and ear infections.

Gram-positive

Refers to bacteria that retain the color of the crystal violet stain used in the Gram staining method, indicating a thicker peptidoglycan cell wall.

Gram-variable

Refers to bacteria that do not consistently stain as gram-positive or gram-negative because of variability in the structure of their cell wall.

Clostridium Tetani

A bacterium that causes tetanus, characterized by muscle stiffness and convulsions, contracted through wound infections.