In blunt trauma of thoracic cavity, which organ of greatest risk of injury.

live
lungs
heart
stomach
i googled but could not find the best anwser cuz every organ above listed is involved.

Have you checked your text?

Which of following organ is at the greatest risk of injury during blunt trauma?

a)Liver
b)heart
c)lungs
d)stomach

When it comes to blunt trauma of the thoracic cavity, all of the organs you mentioned - the liver, lungs, heart, and stomach - are indeed at risk of injury. However, in terms of the greatest risk of injury, the answer would be the heart.

To understand why, let's think about the anatomy and placement of these organs. The heart is located in the middle of the chest, protected by the sternum and ribs. Although it is partially surrounded and supported by the lungs, it is still relatively exposed compared to the liver, which is located in the right upper quadrant of the abdomen, or the stomach, which is in the left upper quadrant of the abdomen.

During a blunt force impact to the thoracic cavity, such as a car accident or a fall, the heart can be at a higher risk for injury due to its position and the energy transfer that occurs. The impact can cause the heart to forcefully collide with the sternum or ribs, leading to contusions, lacerations, or even ruptures. Moreover, the heart's delicate structures, such as the valves, can be damaged as well.

While it is important to acknowledge that all organs are susceptible to injury in the thoracic cavity, given its critical function and anatomical vulnerability, the heart carries the greatest risk of injury in cases of blunt trauma.