BOC Physiology and Pathophysiology

In a normal adult, the spleen acts as a site for: a. production of red blood cells b. synthesis of erythropoietin c. removal of aging red blood cells d. storage of red blood cells

Answer explanation

C

Which of the following cells transport O2 and CO2? a. erythrocytes b. granulocytes c. lymphocytes d. thrombocytes

Answer explanation

A

Phagocytosis is a function of: a. erythrocytes b. granulocytes c. lymphocytes d. thrombocytes

Answer explanation

B

Which of the following cells is the largest cell in the bone marrow? a. megakaryocyte b. histiocyte c. osteoblast d. mast cell

Answer explanation

A

In patients who present with bleeding due to a low plt count, the most common type of bleeding is: a. hemarthrosis b. deep hematoma c. delayed bleeding d. mucosal bleeding

Answer explanation

D

Transfusion of which of the following is needed to help correct hypofibrinogenemia due to DIC? a. whole blood b. fresh frozen plasma c. cryoprecipitate AHF d. platelets

Answer explanation

C

A blood component used in the treatment of hemophilia A is: a. Factor VIII b. Fresh frozen plasma c. platelets d. whole blood

Answer explanation

A

A unit of fresh frozen plasma was inadvertently thawed and then immediately refrigerated at 4C on monday morning. on tuesday evening this unit may still be transfused as a replacement for: a. all coagulation factors b. factor V c. factor VIII d. factor IX

Answer explanation

D

A newborn demonstrates petechiae, ecchymosis, and mucosal bleeding. The preferred blood component for this infant would be: a. red blood cells b. fresh frozen plasma c. platelets d. cryoprecipitated AHF

Answer explanation

C

Which of the would be the best source of platelets for transfusion in the case of alloimmune neonatal thrombocytopenia? a. father b. mother c. pooled platelet-rich plasma d. polycythemic donor

Answer explanation

B