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. Radiation exposure: Radiation exposure can cause aplastic anemia, but if the cause is unknown, it is less likely to be due to a specific and identifiable event like radiation exposure.
B. An autoimmune disorder: When the cause of aplastic anemia cannot be diagnosed, it is often attributed to an autoimmune disorder where the body attacks its own bone marrow cells.
C. Chemotherapy drugs: Chemotherapy drugs can cause aplastic anemia, but this cause would typically be known based on the patient's medical history.
D. Toxins: Toxins can cause aplastic anemia, but like chemotherapy drugs and radiation, this cause would generally be identifiable.
Correct Answer is D
Explanation
A. Skin color: While changes in skin color can occur in hemochromatosis due to excess iron deposition, it is not the most important parameter to monitor for the effectiveness of deferoxamine.
B. Liver function: Liver function tests can be abnormal in hemochromatosis due to iron overload, but monitoring liver function alone may not adequately assess the effectiveness of deferoxamine in reducing iron levels.
C. Hematocrit: Hematocrit measures the proportion of blood that is made up of red blood cells and may be elevated in hemochromatosis, but it is not the primary parameter to monitor the effectiveness of deferoxamine.
D. Serum iron level: Serum iron level is the most direct indicator of iron overload and the effectiveness of deferoxamine in chelating and removing excess iron from the body.
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