A 57-year-old male is found to have increased levels of small lymphocytes incidentally on a peripheral smear completed during routine microscopic examination of blood work. This is suggestive of which of the following?

In which of the following autoimmune diseases are antibodies to acetylcholine receptors produced, thereby blocking the signal to activate muscles?

A patient’s urine immunofixation electrophoresis shows excessive amounts of free monoclonal light chains. These light chains are referred to as:

An exaggerated reaction directed against an antigen that is harmless is called: 

To determine if a patient is allergic to peanuts, the best test to perform is:

The characteristic antinuclear antibody pattern produced by antibody to DNA-histone complexes is: (LO 8, T2)

What is the definition of a carcinoma? 

Systemic lupus erythematosus can be distinguished from rheumatoid arthritis on the basis of which of the following? (LO 5, T2)

What immune phenomenon is responsible for the muscle weakness associated with myasthenia gravis? 

Anaphylactic reactions are mediated by: