Haemophilia
Haemophilia A and B are X-linked and almost all affected people are male.
What our notes say
- Haemophilia A and B are X-linked and almost all affected people are male. (Internal Medicine End of Semester CAT (MBChB 4): haematology and renal, 30 MCQs )
- Haemophilia (most likely Haemophilia A — Factor VIII deficiency; Haemophilia B/Factor IX deficiency is a differential) (Haematology Exam 2025: MCQs on Anaemia, Leukaemia & Clotting)
- Topics tested: jaundice and liver tests, alcoholic liver disease, hepatitis B and C, primary biliary cirrhosis, NASH, Child-Pugh score, GI bleeding, acute pancreatitis, bone marrow failure, haemophilia and myelodysplasia. (Internal Medicine CAT 1 (MBChB 4), 2022: liver, pancreas and bone marrow, 30 MCQ)
- Identify the correctly matched statement on haemophilia: (Internal Medicine CAT 1 (MBChB 4), 2022: liver, pancreas and bone marrow, 30 MCQ)
- Topics tested: respiratory infections, tetanus, rheumatic fever, development milestones, dehydration, hepatitis C, congenital heart disease, Down syndrome, malnutrition, haemophilia, sickle cell disease, childhood cancers, breastfeeding, vaccination and the ECG. (Paediatrics end of fourth year main exam: 1 July 2019, Paper One, 99 of 100 MCQs)
- A boy with joint bleeds and bruising has haemophilia A until proved otherwise. (Paediatrics end of fourth year main exam: 1 July 2019, Paper One, 99 of 100 MCQs)
Study material on Haemophilia
- Haematology Exam 2025: MCQs on Anaemia, Leukaemia & Clotting
- Haemostasis & Coagulation: Platelet Function & Bleeding Disorders
- Haematology End of Year 2025 Past Paper — MKU MBML 3200 Questions & Answers
- Haematopathology MCQs: Blood Disorders & Anemia Explained
- Internal Medicine CAT 1 (MBChB 4), 2022: liver, pancreas and bone marrow, 30 MCQs and 2 short answers
- Acute Leukaemia (AML/ALL) & WBC Disorders: Hematology Guide
- Internal Medicine End of Semester CAT (MBChB 4): haematology and renal, 30 MCQs and 3 short answers
- Renal, Liver, Cardiac & Adrenal Function Tests for Year 3
- Hematopathology MCQs & Essays: MBChB Exam Revision Guide
Practice questions on Haemophilia
Which clotting factor is deficient in Haemophilia A?
- Factor V
- Factor VII
- Factor VIII
- Factor IX
Answer: C. Haemophilia A is an X-linked recessive deficiency of Factor VIII. (Haemophilia B, by contrast, is a deficiency of Factor IX.) ---
Which clotting factor is deficient in Haemophilia A?
- Factor V
- Factor VII
- Factor VIII
- Factor IX
Answer: C. Haemophilia A is an X-linked deficiency of Factor VIII, causing prolonged APTT with normal PT. ---
Which clotting factor is deficient in Haemophilia A?
- Factor IX
- Factor VIII
- Factor XI
- Factor VII
Answer: B. Haemophilia A is an X-linked recessive bleeding disorder caused by a deficiency or defect in coagulation Factor VIII.
Which clotting factor is deficient in Haemophilia A?
- Factor II
- Factor VIII
- Factor IX
- Factor XI
Answer: B. Hemophilia A is an inherited bleeding disorder caused by a deficiency in Factor VIII, a crucial protein in the coagulation cascade that helps blood to clot.
Which clotting factor is deficient in Haemophilia A?
- Factor VIII
- Factor IX
- Factor XI
- Factor XIII
Answer: A. Hemophilia A is an X-linked recessive disorder caused by a deficiency in clotting Factor VIII.
Which clotting factor is deficient in Haemophilia A?
- Factor II
- Factor VII
- Factor VIII
- Factor IX
Answer: C. Hemophilia A is an X-linked recessive bleeding disorder caused by a deficiency in coagulation Factor VIII.