Which of the following clinical features represent Wiskott-Aldrich syndrome?
Which of the following feature is seen in Chédiak-Higashi syndrome?
Which of the following cytosolic receptor is involved in the recognition of products released from necrotic cells and microbial products?
A hyperacute rejection after a graft transplant is mediated by one of the following?
A 10-month-old infant is brought to your clinic with a history of recurrent inflammatory skin disorder which is present as a red and itchy patch on the forearm along with a reduced ability to form blood clots. The CBC shows thrombocytopenia. Serum levels of IgM are low, but levels of IgG are normal. The levels […]
A 20-year-old African American female with no prior medical history presented to the hospital with worsening fatigue, dyspnea on exertion, and palpitations of over 1-month occurrence. The patient is not on any medications, has no prior surgeries and has no known allergies. The patient denied using alcohol, tobacco, or any illicit substances. Physical findings include […]
Which of the following is a diagnostic antibody for Systemic Lupus Erythematosus?
A 48-year-old female presents to your clinic complaining of numbness and tingling of the fingers and toes. The patient also gives a history of long-term proton pump inhibitor use for relieving symptoms of gastroesophageal reflux. The patient also complains of thickening of the facial skin and stiff fingers. Physical examination shows mild clawlike flexion deformity […]
Which of the following is a diagnostic antibody for limited scleroderma (CREST syndrome)?
A 9-month-old is brought to you with a history of recurrent bacterial infections as reported by the mother. The baby appeared healthy for the first few months but started to develop these infections around 6 months of age. Recently the infant developed pharyngitis and on examination, the lymph nodes appear to be smaller in size. […]