MIDTERM 2: BLOOD CLOTTING AND TRANSFUSION

Question 0

What would happen if you transfused type A blood into someone with anti-A antibodies?

Answer 0

Transfusion reaction: the recipients antibodies attack the donors blood. Blood vessels are clogged , and the erythrocytes are lysed

Question 1

People with certain blood type make both anti-A and anti-B antibodies. Which one?
A) A
B) B
C) AB
D) O

Answer 1

D) O

Question 2

Prevention of hemolytic disease of the newborn

Answer 2

Women generally only make anti-Rh antibodies upon delivery (or miscarriage or abortion) of an Rh+ fetus.
Therefore, Rh- women who give birth are given RhoGAM, a serum containing anti-Rh agglutinins

Question 3

If someone is blood type A+, what blood antigens does she make?
A) A only
B) A and Rh factor
C) A, B and Rh factor
D) none

Answer 3

B) A and Rh factor

Question 4

If someone is blood type A+ and has had previous exposure to Rh+ positive blood, what antibodies does she make?
Anti-A, B, Rh

Answer 4

Anti-B

Question 5

If someone is blood type A+, what type blood can she receive?
A, B, AB, O, Rh+, Rh-

Answer 5

A, O, Rh+, Rh-

Question 6

What blood type can receive blood from anyone?

Answer 6

AB+

Question 7

What blood type can donate blood to anyone?

Answer 7

O-

universal donor

Question 8

What effect will a platelet factor 3 deficiency have on clotting?
A) decreased clotting
B) increased clotting
C) no effect

Answer 8

A) decreased clotting

Question 9

Many clotting factors are made in the liver. These liver cells need vitamin K to make these factors. What might the symptoms of vitamin K deficiency be
A) bruising
B) heavy men's real bleeding
C) petechiae
D) all of the above

Answer 9

D) all of the above

Question 10

Hemostasis leads to_
A) heme production
B) red blood cell production
C) stoppage of bleeding
D) white blood cell production

Answer 10

C) stoppage of bleeding

Question 11

A person lacks agglutinogens A and B would have blood type
A) A
B) AB
C) B
D) O

Answer 11

D) O

Question 12

The enzyme_ digests fibrin clots
A) plasminogen
B) plasmin
C) thrombin
D) fibrinogen

Answer 12

B) plasmin

Question 13

What is an embolus?
A) an anticoagulant 
B) a protein in the coagulation pathway
C) a blood clot that has broken loose and is floating freely in the bloodstream
D) a stroke

Answer 13

C) a blood clot that has broken loose and is floating freely in the bloodstream

Question 14

Which of the following is not a phase of Hemostasis?
A) fibrinolysis
B) vascular spasm
C) coagulation 
D) platelet plug formation

Answer 14

A) fibrinolysis

Question 15

The slowest step in the clotting process is
A) formation of prothrombin activator
B) binding fibrin strands
C) release of PF
D) production of fibrin strands

Answer 15

A) formation of prothrombin activator

Question 16

Choose the compatible transfusion
A) donate type A blood to a recipient with type B blood
B) donate type O blood to a recipient with type AB blood
C) donate type B blood to a recipient with type I blood
D) donate type AB blood to a recipient with B blood

Answer 16

B) donate type O blood to a recipient with type AB blood

Question 17

The production of platelets is called
A) thrombocytopoeisis
B) coagulation
C) hematopoeisis

Answer 17

A) thrombocytopoeisis

Question 18

If you are missing factor 11 you have
A) hemophilia B: makes only
B) hemophilia A: only in males
C) hemophilia C: men and women

Answer 18

C) hemophilia C: men and women

Question 19

Erythroblastosis fetalis is what?

Answer 19

Rh- mother exposed to Rh+ blood

Develops an antibody sensitization which if pregnant second time will cross placenta and destroy baby’s RBCs