What general term designates the state of collapse that follows severe tissue injury?

The correct answer, which designates the state of collapse following severe tissue injury, is circulatory shock. This condition occurs when there is inadequate blood flow to the organs and tissues, which can result from various factors including significant loss of blood volume, heart failure, or severe infections. In the context of severe tissue injury, circulatory shock signifies a critical halt in the body’s ability to maintain adequate circulation, leading to a potential cascade of cellular and organ dysfunction.

This condition can manifest in various forms, such as hypovolemic shock (due to blood loss), cardiogenic shock (due to heart dysfunction), or septic shock (due to widespread infection). Each of these types reflects the overarching issue of inadequate perfusion and oxygenation of tissues, which is a direct consequence of severe injury or critical conditions.

Other terms listed do not accurately describe this state. For instance, plethora refers to an excess of blood or fluid in the circulatory system, thrombus denotes a blood clot that forms in a vessel, and hyperplasia refers to an increase in the number of cells in a tissue or organ. None of these terms captures the essence of the physiological collapse that occurs in circulatory shock following severe injury.