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Post-Lab Questions 1. Agglutination in a blood sample indicates . a. Too much hemoglobin is present b. Blood type incompatibility c. Infection d. Platelet dysfunction 2. Type A blood contains antibodies that are . Select all that apply. a. Able to agglutinate Type A blood b. Able to agglutinate Type B blood c. Able to agglutinate Type AB blood d. Able to agglutinate Type O blood 3. How is an agglutination reaction different from a precipitin reaction? Select all that apply. a. In agglutination reactions the antigens are smaller than in precipitin reactions. b. In agglutination reactions the antigens are larger than in precipitin reactions. c. In precipitin reactions the antigens are soluble. d. Both agglutination and precipitin reactions require soluble antigens. e. In precipitin reactions antigens will clump together without the presence of antibodies, however in agglutination reactions both antigens and antibodies are required. 4. In the precipitin reaction why are you only able to visualize the precipitate in the equivalence zone? a. This is the area where the antigens are agglutinated leading to clot formation and complement fixation. b. This is the area where there's the most antibodies allowing a greater response. c. This is the area where there's the most antigens allowing a greater response. d. This is the area where there will be the most precipitation because each antibody will be bound to two antigens and each antigen will be bound by two antibodies.

Post-Lab Questions

1. Agglutination in a blood sample indicates ________.
a. Too much hemoglobin is present
b. Blood type incompatibility
c. Infection
d. Platelet dysfunction

2. Type A blood contains antibodies that are ________. Select all that apply.
a. Able to agglutinate Type A blood
b. Able to agglutinate Type B blood
c. Able to agglutinate Type AB blood
d. Able to agglutinate Type O blood

3. How is an agglutination reaction different from a precipitin reaction? Select all that apply.
a. In agglutination reactions the antigens are smaller than in precipitin reactions.
b. In agglutination reactions the antigens are larger than in precipitin reactions.
c. In precipitin reactions the antigens are soluble.
d. Both agglutination and precipitin reactions require soluble antigens.
e. In precipitin reactions antigens will clump together without the presence of antibodies, however in agglutination reactions both antigens and antibodies are required.

4. In the precipitin reaction why are you only able to visualize the precipitate in the equivalence zone?
a. This is the area where the antigens are agglutinated leading to clot formation and complement fixation.
b. This is the area where there's the most antibodies allowing a greater response.
c. This is the area where there's the most antigens allowing a greater response.
d. This is the area where there will be the most precipitation because each antibody will be bound to two antigens and each antigen will be bound by two antibodies.

Post-Lab Questions

1. Agglutination in a blood sample indicates .
a. Too much hemoglobin is present
b. Blood type incompatibility
c. Infection
d. Platelet dysfunction

2. Type A blood contains antibodies that are . Select all that apply.
a. Able to agglutinate Type A blood
b. Able to agglutinate Type B blood
c. Able to agglutinate Type AB blood
d. Able to agglutinate Type O blood

3. How is an agglutination reaction different from a precipitin reaction? Select all that apply.
a. In agglutination reactions the antigens are smaller than in precipitin reactions.
b. In agglutination reactions the antigens are larger than in precipitin reactions.
c. In precipitin reactions the antigens are soluble.
d. Both agglutination and precipitin reactions require soluble antigens.
e. In precipitin reactions antigens will clump together without the presence of antibodies, however in agglutination reactions both antigens and antibodies are required.

4. In the precipitin reaction why are you only able to visualize the precipitate in the equivalence zone?
a. This is the area where the antigens are agglutinated leading to clot formation and complement fixation.
b. This is the area where there's the most antibodies allowing a greater response.
c. This is the area where there's the most antigens allowing a greater response.
d. This is the area where there will be the most precipitation because each antibody will be bound to two antigens and each antigen will be bound by two antibodies.

Added by Emily H.

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