Meningitis could be caused by a virus, a bacterium, a fungus, or a protozoan.

Which of the following cells is a granulocyte?

Technically speaking, all antibodies are immunoglobulins, but not all immunoglobulins are antibodies.

Phagocytes can only ingest objects that they are able to attach to.

“Bacteremia” and “septicemia” are synonyms.

Match the following items with the correct phrases.  

The most common cause of urethritis is Chlamydia trachomatis.

The most common cause of cystitis is Escherichia coli.

Inflammation or infection of the brain is called:

The terms “leukemia” and “leukopenia” both refer to an abnormally low number of circulating leukocytes.