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A unit of blood was donated at a local blood drive last week and tested for a variety of infectious diseases.  The combination test for HIV-1 and HIV-2 was positive but with a very weak titer.  What action steps should be taken next?

The following indicates a possible acute infection with Hepatitis B (M65-18; Level 2):

A patient from eastern Kentucky had a recurring cough which progressively worsened over time with concurrent weight loss.  Sputum samples showed round yeast with thick connection budding forms on a direct mount.  The most likely cause of the pneumonia is:

The most common virus isolated from infants with lower respiratory infections that cause croup, bronchitis, bronchiolitis, interstitial pneumonia and a high mortality rate is (M66-13; Level 2):

Which stage of Coccidioides immitis is found in tissue:

The following disease is transmitted through contact with animal birth products (M43-4; Level 2):

An oval, thin-shelled egg is observed on an ova and parasite exam.  The egg contains a clearly visible, eight cell staged embryo.  The egg is non-operculated and is approximately 60×40 um in size.  Which of the following organisms is NOT the causative agent (M50-10; Level 3)?

The following microfilaria is responsible for swellings that move from one area of the body to another (M52-10; Level 2).

The following is the causative agent of black piedra (M60-18; Level 1):

True or false. You must use Honorlock in this course. You must have a mirror behind you AND you must focus on your testing screen.