MLS 2210 Exam I Questions
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Graded Answers| Latest Updated
2026
,One pint of whole blood can save how many lives?
3 lives
Humoral theory - phlegm
Winter, Water
Phlegmatic calm and unemotional
Humoral theory - blood
Spring, Air
Sanguine, cheerful and hopeful
Humoral theory - black bile
Autumn, earth
Melancholic, gloomy and depressed
Humoral theory - yellow bile
Summer, Fire
Choleric, anger, ambitious, passion
,Early transfusion attempt, French physician tried to cure his patient of madness by
transfusion of what? First recording of what?
Lamb blood (docile creature)
First recording of a hemolytic reaction. Darkness in urine due to hemolysis of lamb blood
1800 blood transfusion - needles attached to rubber tubing with a pump in the middle?
J.H. Aveling Axillary Heart
F. Gesellius 1873 stated that what percent of transfusions ended in death?
56% of transfusions ended in death
Who discovered the ABO system?
Karl Landsteiner 1900
What is the ABO system? (Group A, B and O)
Blood group system in which individuals predictably have antibodies in their serum to
antigens that are ABSENT from their red blood cells (RBCs)
Blood group system where individuals are grouped by antigens on their red blood cells,
such as the A group containing A antigens on red blood cells.
What is the Rule of Reciprocity?
States that individuals will predictably have antibodies towards antigens that their RBCs
LACK!
Group A type will have what kind of antibodies in their serum?
What type of antigens on the RBCs?
Anti B
A antigens on RBCs
, Group B type will have what kind of antibodies in their serum?
What type of antigens on the RBCs?
Anti A
B antigens on RBCs
Group AB will have what kind of antibodies in their serum?
What type of antigens on the RBCs?
NO ANTIBODIES (due to the rule of reciprocity) A
and B antigens on RBCs
Group O type will have what kind of antibodies in their serum?
What type of antigens with Group O type have on their RBCs?
Anti A and Anti B
Type O RBCs will have NO ANTIGENS
Group O patients can produce what?
Anti A,B (antibodies) that can agglutinate with both A and B antigens on red blood cells
Verified and Provided with A+
Graded Answers| Latest Updated
2026
,One pint of whole blood can save how many lives?
3 lives
Humoral theory - phlegm
Winter, Water
Phlegmatic calm and unemotional
Humoral theory - blood
Spring, Air
Sanguine, cheerful and hopeful
Humoral theory - black bile
Autumn, earth
Melancholic, gloomy and depressed
Humoral theory - yellow bile
Summer, Fire
Choleric, anger, ambitious, passion
,Early transfusion attempt, French physician tried to cure his patient of madness by
transfusion of what? First recording of what?
Lamb blood (docile creature)
First recording of a hemolytic reaction. Darkness in urine due to hemolysis of lamb blood
1800 blood transfusion - needles attached to rubber tubing with a pump in the middle?
J.H. Aveling Axillary Heart
F. Gesellius 1873 stated that what percent of transfusions ended in death?
56% of transfusions ended in death
Who discovered the ABO system?
Karl Landsteiner 1900
What is the ABO system? (Group A, B and O)
Blood group system in which individuals predictably have antibodies in their serum to
antigens that are ABSENT from their red blood cells (RBCs)
Blood group system where individuals are grouped by antigens on their red blood cells,
such as the A group containing A antigens on red blood cells.
What is the Rule of Reciprocity?
States that individuals will predictably have antibodies towards antigens that their RBCs
LACK!
Group A type will have what kind of antibodies in their serum?
What type of antigens on the RBCs?
Anti B
A antigens on RBCs
, Group B type will have what kind of antibodies in their serum?
What type of antigens on the RBCs?
Anti A
B antigens on RBCs
Group AB will have what kind of antibodies in their serum?
What type of antigens on the RBCs?
NO ANTIBODIES (due to the rule of reciprocity) A
and B antigens on RBCs
Group O type will have what kind of antibodies in their serum?
What type of antigens with Group O type have on their RBCs?
Anti A and Anti B
Type O RBCs will have NO ANTIGENS
Group O patients can produce what?
Anti A,B (antibodies) that can agglutinate with both A and B antigens on red blood cells
