The video explains hemophilia, a bleeding disorder caused by impaired coagulation cascade. It covers the hemostasis process, the coagulation cascade, and the differences between hemophilia A and B. The video also discusses symptoms, diagnosis, and treatment options, including factor replacement therapy and desmopressin. It highlights the genetic and acquired causes of hemophilia and provides a recap of key points.

What is the literal meaning of the word 'hemophilia'?

• Blood clotting

• Bleeding love

• Blood disorder

• Love of blood

What is the primary function of vasoconstriction after a blood vessel injury?

• Narrow the blood vessel

• Stop blood flow

• Activate platelets

• Increase blood flow

Which factor is activated first in the extrinsic pathway of the coagulation cascade?

• Factor I

• Factor II

• Factor X

• Factor VII

What is the final product of the coagulation cascade that forms a stable clot?

• Platelets

• Prothrombin

• Thrombin

• Fibrin

Which factor deficiency is asymptomatic in hemophilia?

• Factor VIII

• Factor IX

• Factor VII

• Factor XII

What is the common name for hemophilia B?

• Classic hemophilia

• Christmas disease

• Von Willebrand disease

• Primary hemostasis

Which lab test is prolonged in hemophilia A and B?

• Fibrinogen level

• Platelet count

• Prothrombin time (PT)

• Partial thromboplastin time (PTT)

What is a dangerous complication of hemophilia involving the brain?

• Hematoma

• Stroke

• Hemarthrosis

• Intracranial pressure

What is the treatment for mild, quantitative factor VIII deficiency in hemophilia A?

• Thrombin

• Vitamin K

• Desmopressin

• Aspirin

What should individuals with hemophilia avoid to prevent bleeding?

• Protein supplements

• Regular exercise

• Contact sports

• Vitamin K