Which of the following is a characteristic feature of hemophilia?
Prolonged bleeding or easy bruising
Excessive blood clotting
Increased platelet count
Delayed wound healing
The Correct Answer is A
A. Prolonged bleeding or easy bruising is a characteristic feature of hemophilia, a genetic
disorder characterized by deficient or defective blood clotting proteins, leading to impaired blood clotting and prolonged bleeding after injury or trauma.
B. Excessive blood clotting is not a characteristic feature of hemophilia; rather, it is the opposite.
Hemophilia is characterized by a deficiency in clotting factors, which results in impaired clot formation.
C. Hemophilia does not typically result in increased platelet count. Platelets are involved in the initial stages of blood clotting, but hemophilia primarily affects clotting factor proteins.
D. Delayed wound healing is not a characteristic feature of hemophilia. Hemophilia primarily affects blood clotting, leading to prolonged bleeding, but it does not directly affect wound
healing processes.
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Related Questions
Correct Answer is B
Explanation
A. Phalitis: This term is not commonly used and does not specifically refer to swelling in the hands and feet.
B. Dactylitis: Dactylitis is a common manifestation of sickle cell disease in infants, characterized by painful swelling of the hands and feet due to vaso-occlusive episodes.
C. Erythromelaglia: Erythromelalgia is a condition characterized by burning pain, redness, and warmth in the extremities, but it is not typically associated with sickle cell disease.
D. Dyshidrotia: This term is not commonly used in medical terminology and does not specifically refer to swelling in the hands and feet.
Correct Answer is B
Explanation
A. Hemophilia B results from a deficiency in clotting factor VIII. Hemophilia B results from a deficiency in clotting factor IX. Hemophilia A results from a deficiency in clotting factor VIII.
B. Males inherit hemophilia from their mothers. Hemophilia is an X-linked recessive disorder, meaning males inherit the defective gene from their carrier mothers.
C. Females inherit hemophilia from their fathers. Females can be carriers if they inherit the
defective gene from their mother, but they generally do not inherit the disease itself from their fathers due to the X-linked recessive inheritance pattern.
D. Hemophilia is a Y linked disorder. Hemophilia is not Y-linked; it is an X-linked recessive disorder.
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