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A serum TSH level that is 5 times the upper limit of normal in the presence of a decreased T4:

A normal Prothrombin Time result is dependent upon the concentration and activity of which coagulation factors present in a patient’s plasma?

Which set of HLA gene(s) is considered the “classic” set of Class I MHC molecules:

A prolonged APTT is corrected by mixing the patient’s plasma with Factor IX deficient plasma, but is not corrected by addition of Factor VIII deficient plasma.  What is the patient’s most likely diagnosis?  

A serum protein electrophoresis pattern shows a relative decrease in albumin with a moderate generalized elevation in all gamma globulin fractions. Other protein fractions are normal. This pattern supports a diagnosis of:  

Situation: Results of a chemistry profile are:Glucose = 100 mg/dLBUN = 10 mg/dLTotal Bilirubin = 0.9 mg/dLAlbumin = 4.9 g/dLTotal Protein = 5.1 g/dLWhat should be done next?

A 25-year old woman complains of painful urination and is suspected of having a urinary tract infection. Which of the following specimens should be collected for a routine urinalysis and urine culture?

An RDW of 14% would correlate with which finding on the peripheral blood smear?

Severe Combined Immunodeficiency exhibits:

Impaired DNA metabolism is characteristic of