試題詳解

4. Which is true regarding bacterial endotoxins?
(A) Produced only by Gram-positive bacteria.
(B) Bacterial endotoxins are heat stable and weakly immunogenic.
(C) Bacterial endotoxins cannot cause fever.
(D) Bacterial endotoxins are neurotoxins that can target nerve tissue.
(E) The A subunit of an endotoxin is responsible for toxic effect.