#1
Which factor is deficient in hemophilia A?
Factor II
Factor VII
Factor VIII
Factor IX
#2
Which factor is deficient in hemophilia B?
Factor II
Factor VII
Factor VIII
Factor IX
#3
What is the primary goal of hemophilia treatment?
To normalize platelet count
To prevent joint damage
To maintain normal clotting factor levels
To reduce fibrinogen levels
#4
Which of the following is a characteristic feature of hemophilia?
Increased risk of thrombosis
Spontaneous joint hemorrhages
Prolonged PT and INR
Normal bleeding tendency
#5
What is the primary mode of inheritance for hemophilia?
Autosomal dominant
X-linked recessive
Autosomal recessive
Y-linked
#6
Which of the following is NOT a symptom of hemophilia?
Easy bruising
Prolonged bleeding
Decreased platelet count
Joint pain
#7
Which laboratory test is typically prolonged in hemophilia?
Prothrombin time (PT)
Activated partial thromboplastin time (aPTT)
International normalized ratio (INR)
Bleeding time
#8
What is the most common form of treatment for hemophilia?
Anticoagulants
Thrombolytics
Factor replacement therapy
Platelet transfusion
#9
Which of the following is NOT a complication of hemophilia treatment?
Inhibitor development
Thrombosis
Joint damage
Intracranial hemorrhage
#10
Which type of hemophilia is also known as Christmas disease?
Hemophilia A
Hemophilia B
Hemophilia C
Hemophilia D
#11
Which of the following is a complication associated with long-term prophylactic treatment in hemophilia?
Decreased risk of joint damage
Increased risk of inhibitor development
Improved clotting factor levels
Reduced need for factor replacement therapy
#12
What is the role of cryoprecipitate in the management of hemophilia?
To increase platelet count
To provide clotting factor replacement
To prevent inhibitor development
To reduce fibrinogen levels
#13
Which of the following is a complication of hemophilia treatment with clotting factor concentrates?
Hypocoagulability
Thrombocytopenia
Factor inhibitor development
Decreased risk of bleeding
#14
Which laboratory test is used to assess the severity of hemophilia?
Prothrombin time (PT)
Activated partial thromboplastin time (aPTT)
International normalized ratio (INR)
Bleeding time
#15
What is the recommended treatment for acute joint bleeds in patients with hemophilia?
NSAIDs (non-steroidal anti-inflammatory drugs)
Corticosteroids
RICE therapy (Rest, Ice, Compression, Elevation)
Clotting factor replacement therapy
#16
Which of the following is a potential complication of hemophilia that affects the central nervous system?
Intracranial hemorrhage
Hemarthrosis
Muscle hematoma
Gastrointestinal bleeding
#17
What is the purpose of genetic counseling for families with a history of hemophilia?
To provide psychological support
To prevent the development of inhibitors
To inform about inheritance patterns and risks
To recommend alternative therapies
#18
Which of the following is a common symptom of hemophilia in infants?
Joint pain
Bleeding into the skin or mucous membranes
Easy bruising
Muscle weakness
#19
Which of the following statements regarding hemophilia inheritance is correct?
Hemophilia can only be inherited from the mother.
Females cannot be affected by hemophilia.
All sons of a female carrier will inherit hemophilia.
Female carriers of hemophilia have a 50% chance of passing the gene to their offspring.
#20
What is the typical presentation of hemophilia C?
Severe bleeding episodes
Muscle hematomas
Bleeding into the joints
Mucosal bleeding
#21
What is the mechanism of action of recombinant factor VIII?
Inhibition of thrombin formation
Enhancement of platelet aggregation
Replacement of deficient factor
Induction of fibrinolysis
#22
Which of the following medications is commonly used for immune tolerance induction in patients with hemophilia?
Desmopressin
Emicizumab
Prothrombin complex concentrate
Rituximab
#23
What is the mechanism of action of emicizumab in the treatment of hemophilia?
Enhancement of factor VIII activity
Inhibition of factor IXa
Replacement of factor IX
Promotion of platelet aggregation
#24
Which of the following factors contributes to the development of inhibitors in patients with hemophilia?
Age of onset
Frequency of factor replacement therapy
Type of hemophilia
Genetic mutation
#25
What is the mechanism of action of desmopressin (DDAVP) in the treatment of hemophilia?
Enhancement of platelet aggregation
Release of von Willebrand factor
Replacement of factor VIII
Inhibition of fibrinolysis