Final answer:
Syncope is the neurologic condition characterized by a sudden, temporary loss of consciousness caused by factors such as hypovolemia, hypoglycemia, heart arrhythmias, and TIAs.
Step-by-step explanation:
The neurologic condition characterized by a sudden, temporary loss of consciousness that can be caused by hypovolemia, hypoglycemia, a heart arrhythmia, and/or TIA is syncope. Syncope, also known as fainting, is a brief loss of consciousness and muscle tone that is caused by a temporary reduction in blood flow to the brain. It can be triggered by various factors such as dehydration, low blood sugar, abnormal heart rhythms, or transient ischemic attacks (TIAs).