Choose the accurate statements regarding the effects of edema
Cerebral edema can produce headaches, nausea, and sometimes delirium, seizures, and coma.
As the tissues become congested with fluid, oxygen delivery and waste removal are impaired and the tissues may begin to die.
Pulmonary edema presents a threat of suffocation as fluid replaces air in the lungs.
As the tissues become congested with fluid, oxygen delivery and waste removal are improved.
Even severe edema does not cause blood volume and pressure to drop low enough to cause circulatory shock.