Thursday, March 12, 2009

25 - abnormal hemoglobins with altered synthesis and function mcqs


1q: what is the hemoglobin that results when glutamate in the 6th position of beta chain is replaced by valine ?

a. hemoglobin S or sickle cell hemoglobin
b. hemoglobin C
c. hemoglobin E
d. hemoblogin Yakima


2q: what is the hemoglobin that results when glutamate in the 6th position of the beta chain is replaced by lysine ?

a. hemoglobin S or sickle cell hemoglobin
b. hemoglobin C
c. hemoglobin E
d. hemoblogin Yakima


3q: what is the hemoglobin that results when glutamate in the 26th position of the beta chain is replaced by lysine ?

a. hemoglobin S or sickle cell hemoglobin
b. hemoglobin C
c. hemoglobin E
d. hemoblogin Yakima


4q: what is the hemoglobin that results when valine in the 98th position of the beta chain is replaced by methionine ?

a. Hb koln
b. Hb Yakima
c. Hb Kansas
d. Hb M. iwata


5q: what is the hemoglobin that results when aspartate in the 99th position of the beta chain is replaced by histidine ?

a. Hb koln
b. Hb Yakima
c. Hb Kansas
d. Hb M.iwata



6q: what is the hemoglobin that results when asparagine in the 102nd position of the beta chain is replaced by lysine ?

a. Hb koln
b. Hb Kansas
c. Hb M.iwata
d. Hb Yakima


7q: what is the hemoglobin that results when histidine in the 87th position of the alpha chain is replaced by tyrosine ?

a. Hb koln
b. Hb Kansas
c. Hb Yakima
d. Hb M.iwata


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