Cystic fibrosis Quiz: Ace Your Exams
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A 4-year-old boy is brought to the clinic by his mother for numerous bruises on his body. The patient has a history of multiple hospital admissions since birth for recurrent respiratory infections. The patient’s mother states that she has noticed greasy, foul-smelling stool in the toilet bowl after her son goes to the bathroom. The patient’s vitals are within normal limits. Physical examination reveals scattered ecchymoses across the body. Laboratory results are as follows:

Which of the following is the most likely pathogenesis for this patient’s abnormal bleeding?

Which of the following is the most likely pathogenesis for this patient’s abnormal bleeding?
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