8)Clostridium perfringens may be found as a part of the normalflora in: a) Mouth b) Intestines c) Lungs d) Urinary tract e)Wounds
10)Foreign substances that induce a specific immune responseafter gaining entrance to the body are termed: a) Antigens b)Antibodies c) Cytolysins d) Complement e) None o the above
11)Essential prperties of an antigen are: a) It must be foreignto the host b) It must be degradable by the host c) It must be alarge molecule and possess at least two different determinantgroups d) It must posses a three-dimentional or tertiary structuree) All of the above
13)quantitatively the largest class of immunoglobulins in humanserum is: a) IgG b) IgA c) IgM d) IgD e)IgE
14)Which of the following statements are applicable to IgMimmunoglobulins: a) They are the antibodies first to be detectedafter injection of an antigen b) In the presence of complement,they are highly lethal to gram-negative bacteria c) They play animportant protective role during the early stages of infection d)All of the above e) None of the above
16)Today antiserum is mainly used for: a) Temporary preventionof certain viral infections b) Neutralization of certain potentbacterial toxins c) Treatment of hepatitis patients d) Only A and Babove e) None of the above
8)Clostridium perfringens may be found as a part of the normalflora in: a) Mouth b) Intestines c) Lungs d) Urinary tract e)Wounds
10)Foreign substances that induce a specific immune responseafter gaining entrance to the body are termed: a) Antigens b)Antibodies c) Cytolysins d) Complement e) None o the above
11)Essential prperties of an antigen are: a) It must be foreignto the host b) It must be degradable by the host c) It must be alarge molecule and possess at least two different determinantgroups d) It must posses a three-dimentional or tertiary structuree) All of the above
13)quantitatively the largest class of immunoglobulins in humanserum is: a) IgG b) IgA c) IgM d) IgD e)IgE
14)Which of the following statements are applicable to IgMimmunoglobulins: a) They are the antibodies first to be detectedafter injection of an antigen b) In the presence of complement,they are highly lethal to gram-negative bacteria c) They play animportant protective role during the early stages of infection d)All of the above e) None of the above
16)Today antiserum is mainly used for: a) Temporary preventionof certain viral infections b) Neutralization of certain potentbacterial toxins c) Treatment of hepatitis patients d) Only A and Babove e) None of the above
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