Immunology homework help please??
Question 1: Antigen used in precipitin-type reactions are referred to as being:
a. Soluble
b. Cellular
c. Particulate
d. Insoluble
e. A and C only
f. None of the above
Question 2: Which of the following is not immunogenic?
a Free protein
b Nucleoproteins
c Glycoproteins
d Lipids
e Polysaccharide
f None of the above
Question 3: An opsonizing antibody has the function of:
a Neutralizing toxins
b Enhancing phagocytosis
c Lysing bacteria
d Antigen agglutination
e None of the above
Question 4: Which of the following is usually an in vivo antibody test?
a Neutralizing
b Agglutination
c Precipitation
d Complement fixation
e None of the above
Question 5: An Ab molecule has the distinguishing characteristics of beings>?
a Noncovalent
b Nonspecific
c Multivalent
d Multispecific
e None of the above
f B and C only
g A and D only
Question 6: In the indirect immunoflourescent test for identification of a specific human infectious organism, FITC is conjugated to:
a The microorganism
b Antibody specific to the microorganism
c Antibody specific to human gamma globulin
d None of the above
Question 7: Immune competent B-cells:
a Can be T-independent cells
b Can collaborate with T-cells if needed
c Have surface immunoglobulin for antigen
d Are morphologically distinguishable from plasma cells
e All of the above
f None of the above
Question 8: The clonal-selection theory of Ab formation implies that:
a Antigen enters the antibody-producing B-lymphocyte and becomes a direct template from which the Ab takes is final complementary force
b Clonal deletion occurs in which B-lymphocytes are destroyed following contact with antigen
c The B-lymphocyte is genetically programmed with a surface receptor pattern complimentary to the specific Ag, and the Ag combine with the Ig receptor that has the right complementary pattern
d The Ag incorporation an image of itself in the genetic nucleus of the B-lymphocyte
e All of the above
Question 9: A lack of T-suppressor cells may explain:
a The formation of Ab-antigen self Ag
b The formation of Ab against not-self Ag
c Auto immune disease
d A and C only
e B and C only
f All the above
Give reasoning with your answer.