Chemistry- Heme derivatives UPDATED ACTUAL Exam Questions and CORRECT Answers

Chemistry- Heme derivatives UPDATED
ACTUAL Exam Questions and CORRECT
Answers
d


principle of the test reaction - CORRECT ANSWER - The principle of the occult blood
test depends upon the:


a. coagulase ability of blood
b. oxidative power of atmospheric oxygen
c. hydrogen peroxide in hemoglobin
d. peroxidase-like activity of hemoglobin


b


hemoglobin metabolism - CORRECT ANSWER - A breakdown product of hemoglobin is:


a. lipoprotein
b. bilirubin
c. hematoxylin
d. bence-jones protein


a


Comparative mobilities due to structures of Hgb variants - CORRECT ANSWER -
Hemoglobin S can be separated from hemoglobin D by:

, a. electrophoresis on a different medium and acidic pH
b. hemoglobin A2 quantitation
c. electrophoresis at higher voltage
d. Kleihauer-Betke acid elution


c


Comparative mobilities due to structures of Hgb variants - CORRECT ANSWER - On
electrophoresis at alkaline pH, which of the following is the slowest migrating hemoglobin?




a. Hgb A
b. Hgb S
c. Hgb C
d. Hgb F


d


Physical-chemical property of Hgb F - CORRECT ANSWER - The hemoglobin that is
resistant to alkali (KOH) denaturation is?




a. A
b. A2
c. C
d. F


c