Which of the following controls cell metabolism?

All of the following are true regarding the direct antiglobulin test (DAT) except

a. Detects sensitization in vivo of red blood cells with antibody or complement b. Is performed in order to visualize antigen-antibody reactions that happened in the body, not the test tube c. Is usually included in routine pretransfusion testing d. Omits the incubation at 98.6 ° F (37 ° C) phase

Completely closing an orifice or the lumen of a tubular body part is the definition of which type of Root Operation?

a. Occlusion b. Division c. Alteration d. Restriction