L12+13 physiology

Question 1

stoppage of bleeding is called
steps:
1- blood vessel spasm
2- platelet plug formation
3- blood coagulation
4- dissolution of clot (fibrinolysis)

Answer 1

hemostasis

Question 2

when clot is no longer needed its broken down by the process of _____

Answer 2

Fibrinolysis

Question 3

purple-colored petechial hemorrhages and bruises in the skin in thrombocytopenia

Answer 3

Petechiae, Purpura

Question 4

hereditary bleeding disorders caused by lack of clotting factors VIII(8), XI(9), IX(11):

1- Hemophilia A– most common, deficiency of factor __
2-Hemophilia B– deficiency of factor __
3-Hemophilia C–deficiency of factor __

Answer 4

1- VIII(8)
2- IX(9)
3-XI(11)

Question 5

RBC surfaces are marked by genetically determined _____

Answer 5

antigens or agglutinogens or isoantigens

Question 6

blood plasma contains _____ that react with specific antigens

Answer 6

antibodies or agglutinins

Question 7

if agglutinogen A is present on RBC, then Agglutinin A must be ____ from plasma

Answer 7

ABSENT

Question 8

what happens if wrong blood was given to the patient?

Answer 8

Agglutination and hemolysis, Renal failure

Question 9

if Rh antigen (Rhesus D) present then person is Rh-____

Answer 9

Positive (Rh+)