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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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 A
Explanation
A. Performing breast self-examination (BSE) on the first day of each month provides a consistent schedule for the client to conduct the examination, making it easier to remember and ensuring regularity.
B. The first day of the menstrual cycle may not be the best time to perform BSE for all women, as breast tissue may be more tender or swollen during menstruation.
C. Seven days after the menstrual cycle begins may not be the best time for BSE, as hormonal fluctuations and breast changes may not yet have stabilized.
D. Performing BSE every month during ovulation is not necessary, as ovulation does not directly affect breast tissue changes that need to be monitored.
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