The counteracting substance(s) developed by an animal upon injection of a toxin

Question

The counteracting substance(s) developed by an animal upon injection of a toxin is/are called: Mark all possible answers. 45. A) mmunity B) vaccine C) antitoxin D) complement E) antibody Neutralization of a toxin occurs when: 46. A) B) C) D) is mixed with blood it is mixed with specific antitoxin it is mixed with specific toxoid it is mixed with regain 47. A) B) C) D) E) Vaccines are generally most useful as: therapeutic agents prophylactic agents palliative agents blocking agents antipyrogenic agents

Explanation / Answer

45. C and E antitoxin and antibody. When a toxin is injected, the counter acting substance produced in the body of the animal is the antitoxin. Since the antitoxin is correct and able to inhibit the effects of the toxin, the antitoxin is produced. An antibody is produced in response to an antigen. A toxin is also an antigen or a foreign body.

46. B. A toxin is neutralized when its specific antitoxin is present.

47. B. Prophylactic agents. These agents prevent the occurrance of the disease. IT is prevention taken before the diease strikes. A therapeutic agent is one which is taken after a person gets the disease. Anti pyrogenic is against fever. palliating agents are those which do not cure the problem but relieves the symptoms. Blocking agents are those which are used for the nervous system.

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