Syncope is the sudden loss of consciousness and postural tone, and is most often caused by a loss of cerebral oxygenation. A. The first phrase is true, and the second phrase is false. B. The first...

tone, and is most often caused by a loss of cerebral

oxygenation.

A. The first phrase is true, and the second phrase is

false.

B. The first phrase is false, and the second phrase is true.

C. Both phrases are true.

D. Both phrases are false.