Bio 224 Blood and immunity quiz Flashcards
The averge lifespan of a RBC is
4 months
Which could result in erythroblastosis fetalis
Mother RH-
Father RH+
Baby RH+
Which of the follwoing leukocytes is correctly matched with its function?
Lymphocyte-responsible for specific immunity
Thrombopoietin is secreted by the ___ for differentiating stem cells into ___
Liver; Platelets
Which of these substances dissolves clots
Plasmin
Correct order of events of coagulation
Prothrombin activator is formed
prothrombin converted to thrombin
thrombin converts fibrogen to fibrin
fibrin strands form the clot
Yellow color that is visible in the eyes and skin in jaundice results from
Excessive amounts of bilirubin in the plasma, extenssive breakdwon of RBC and destruction of hemoglobin
Level of erythropoietin in the blood would rise due to all the following execpt
during periods of fasting
What ions is necessary for the clotting process
Ca2+
John has type B+ blood, in an emergancy which of the following blood type can be recived
B+, O, O-, and both A&C
___ aid in the bodys defense processes by secreting histamine ( vasodilator) and heparin ( anticoagulant)
Basophils
During the inflammatory response
Chemical mediators are released
Which of the following cells present a foreign antigen to the helper t cell?
Macrophage
Which of the folloing is usually the first cell type to leave the blood and enter infected tissues
Neutrophil
Antibodies are produced by
Plasma cells
___ attack abnormal cells, whearas antibodies secreted by ___attack specific foregin antigens outside of cells
T cell , B cell
Neutrophils are
Phagocyte, target bacteria, invloved in non specific defense and classified as a granulocyte
Macrophages are exmples of
antigen presenting cells
Which of the following cells is also known as the antigen presenting cells?
marcophages
Formation of red blood cells oocur in the __ and damaged erythrocytes are broken down in the ___
Red bone marrow/ spleen
A 16 year old female presents to the red cross to donate blood. blood typing showed that nethier anti-a nor anti-b clotted on a blood plate. What is the young women’s blood type?
O
A 5 year old well developed boy was recently diagnosed with classic hemophila ( Hemophilia A). Which of the follwoing factors is most likely to be lacking in the child?
Factor VII
The sum of plasma and formed elements is called
whole blood
Hemolytic disease of the newbron may result if
Rh - mother carries Rh + fetus