Thorax · NEET PG Preparation Anatomy
A 25-year-old male is stabbed in the chest at the level of the 4th intercostal space just lateral to the sternum. Which of the following structures f…
Practice question from Thorax (NEET PG Preparation Anatomy), with the correct answer and a step-by-step solution.
easy · MCQ · Q-1064B2
A 25-year-old male is stabbed in the chest at the level of the 4th intercostal space just lateral to the sternum. Which of the following structures forms the major portion of the anterior surface (sternocostal surface) of the heart?
- A.Left atrium
- B.Right atrium
- C.Right ventricleCorrect answer
- D.Left ventricle
Solution
The sternocostal (anterior) surface of the heart is formed predominantly by the right ventricle, with a smaller contribution from the right atrium and left ventricle.
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