#1
Which factor is deficient in hemophilia A?
Factor VIII
ExplanationFactor VIII deficiency is characteristic of hemophilia A.
#2
Which factor is deficient in hemophilia B?
Factor IX
ExplanationHemophilia B is due to Factor IX deficiency.
#3
What is the primary goal of hemophilia treatment?
To maintain normal clotting factor levels
ExplanationThe primary goal of hemophilia treatment is to maintain normal clotting factor levels.
#4
Which of the following is a characteristic feature of hemophilia?
Spontaneous joint hemorrhages
ExplanationSpontaneous joint hemorrhages are characteristic of hemophilia.
#5
What is the primary mode of inheritance for hemophilia?
X-linked recessive
ExplanationHemophilia is primarily inherited in an X-linked recessive manner.
#6
Which of the following is NOT a symptom of hemophilia?
Decreased platelet count
ExplanationDecreased platelet count is not a symptom of hemophilia.
#7
Which laboratory test is typically prolonged in hemophilia?
Activated partial thromboplastin time (aPTT)
ExplanationActivated partial thromboplastin time (aPTT) is typically prolonged in hemophilia.
#8
What is the most common form of treatment for hemophilia?
Factor replacement therapy
ExplanationFactor replacement therapy is the primary treatment for hemophilia.
#9
Which of the following is NOT a complication of hemophilia treatment?
Thrombosis
ExplanationThrombosis is not a typical complication of hemophilia treatment.
#10
Which type of hemophilia is also known as Christmas disease?
Hemophilia B
ExplanationHemophilia B is also referred to as Christmas disease.
#11
Which of the following is a complication associated with long-term prophylactic treatment in hemophilia?
Increased risk of inhibitor development
ExplanationLong-term prophylactic treatment in hemophilia is associated with an increased risk of inhibitor development.
#12
What is the role of cryoprecipitate in the management of hemophilia?
To provide clotting factor replacement
ExplanationCryoprecipitate is used to provide clotting factor replacement in hemophilia.
#13
Which of the following is a complication of hemophilia treatment with clotting factor concentrates?
Factor inhibitor development
ExplanationFactor inhibitor development is a complication of hemophilia treatment with clotting factor concentrates.
#14
Which laboratory test is used to assess the severity of hemophilia?
Activated partial thromboplastin time (aPTT)
ExplanationActivated partial thromboplastin time (aPTT) is used to assess the severity of hemophilia.
#15
What is the recommended treatment for acute joint bleeds in patients with hemophilia?
Clotting factor replacement therapy
ExplanationClotting factor replacement therapy is the recommended treatment for acute joint bleeds in hemophilia.
#16
Which of the following is a potential complication of hemophilia that affects the central nervous system?
Intracranial hemorrhage
ExplanationIntracranial hemorrhage is a potential complication of hemophilia affecting the central nervous system.
#17
What is the purpose of genetic counseling for families with a history of hemophilia?
To inform about inheritance patterns and risks
ExplanationGenetic counseling for hemophilia informs families about inheritance patterns and associated risks.
#18
Which of the following is a common symptom of hemophilia in infants?
Bleeding into the skin or mucous membranes
ExplanationBleeding into the skin or mucous membranes is a common symptom of hemophilia in infants.
#19
Which of the following statements regarding hemophilia inheritance is correct?
Female carriers of hemophilia have a 50% chance of passing the gene to their offspring.
ExplanationFemale carriers of hemophilia have a 50% chance of passing the gene to their offspring.
#20
What is the typical presentation of hemophilia C?
Mucosal bleeding
ExplanationHemophilia C typically presents with mucosal bleeding.
#21
What is the mechanism of action of recombinant factor VIII?
Replacement of deficient factor
ExplanationRecombinant factor VIII acts by replacing the deficient factor in hemophilia A.
#22
Which of the following medications is commonly used for immune tolerance induction in patients with hemophilia?
Rituximab
ExplanationRituximab is commonly used for immune tolerance induction in hemophilia.
#23
What is the mechanism of action of emicizumab in the treatment of hemophilia?
Enhancement of factor VIII activity
ExplanationEmicizumab enhances factor VIII activity in the treatment of hemophilia.
#24
Which of the following factors contributes to the development of inhibitors in patients with hemophilia?
Genetic mutation
ExplanationGenetic mutations contribute to the development of inhibitors in hemophilia.
#25
What is the mechanism of action of desmopressin (DDAVP) in the treatment of hemophilia?
Release of von Willebrand factor
ExplanationDesmopressin (DDAVP) acts by releasing von Willebrand factor in the treatment of hemophilia.