Question

a life threatening condition in which the heart is not delivering an adequate supply of blood to the body.

shock
intoxication
dizziness
fainting

Explanation:

Shock is defined as a life-threatening condition where the heart fails to deliver sufficient blood to the body's tissues. Intoxication refers to poisoning from substances, dizziness is a feeling of lightheadedness, and fainting is a temporary loss of consciousness—none match the described condition except shock.

Answer:

Shock