Which condition of shock is directly associated with reduced blood flow due to impaired heart muscle function?

• A. Hypovolemic shock
• B. Septic shock
• C. Cardiogenic shock
• D. Neurogenic shock

Answer: (C)

The key idea is a pump failure of the heart directly reducing the amount of blood the heart can push out. When the heart muscle is impaired (like after a heart attack or with severe heart failure), contractility drops, stroke volume falls, and cardiac output decreases. That means less blood reaches organs, causing tissue hypoperfusion—that's cardiogenic shock.

The other shock types involve different mechanisms: hypovolemic shock stems from not enough blood volume, septic shock from widespread vasodilation and reduced effective circulating volume due to infection, and neurogenic shock from loss of sympathetic tone causing vasodilation. Each reduces perfusion, but the route is not impaired myocardial pumping, which is what the question specifies.