Origins and Effects of Circulating Exotoxins and Endotoxin

Question 1

Toxic in high doses

Answer 1

endotoxin

Question 2

Toxic in minute amounts

Answer 2

exotoxins

Question 3

Causes systemic symptoms (fever and inflammation)

Answer 3

endotoxin

Question 4

Specific to a cell type (blood, liver, nerve); induces TNF production resulting in fever

Answer 4

exotoxins

Question 5

stable at 60 degree C

Answer 5

endotoxin

Question 6

unstable at 60 degree C

Answer 6

exotoxins

Question 7

Comes from lipopolysaccharide of gram negative cell wall

Answer 7

endotoxins

Question 8

comes from small proteins

Answer 8

exotoxins

Question 9

cannot be converted to toxoid

Answer 9

endotoxin

Question 10

can be converted to toxoid

Answer 10

exotoxins

Question 11

Does not stimulate antitoxins

Answer 11

endotoxins

Question 12

stimulates antitoxins

Answer 12

exotoxins

Question 13

causes fever

Answer 13

endotoxins

Question 14

usually does not cause fever

Answer 14

exotoxins

Question 15

released by cells via shedding or during lysis

Answer 15

endotoxins

Question 16

secreted from live cells

Answer 16

exotoxins

Question 17

can come from gram-positive and gram-negative sources

Answer 17

exotoxins

Question 18

comes from only gram negative bacteria

Answer 18

Endotoxins