Which of the following disorders is a deficiency of factor VIII?
Hemophilia A
Hemophilia B
Christmas disease
Sickle cell disease
The Correct Answer is A
A. Hemophilia A: Hemophilia A is caused by a deficiency of factor VIII, leading to problems with blood clotting.
B. Hemophilia B: Hemophilia B is caused by a deficiency of factor IX, not factor VIII.
C. Christmas disease: Christmas disease is another name for Hemophilia B, which is caused by a deficiency of factor IX.
D. Sickle cell disease: Sickle cell disease is a genetic disorder affecting hemoglobin, not a clotting factor deficiency.
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Related Questions
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.
Correct Answer is A
Explanation
A. "My doctor will perform pelvic exams to detect for ovarian cancer.": Pelvic exams can help detect ovarian cancer or abnormalities in the pelvic region, although they are not always definitive.
B. "I will develop ovarian cancer If I have the BRCA1 gene.": While having the BRCA1 gene mutation increases the risk of ovarian cancer, not everyone with this gene mutation will develop the disease.
C. "I will have regular Pap tests to monitor for ovarian cancer.": Pap tests are used to screen for cervical cancer, not ovarian cancer.
D. "A decreased CA125 level places me at greater risk for ovarian cancer.": An elevated CA125 level is associated with ovarian cancer, not a decreased level.
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