A 24 year old from Southeast Asia was seen at a clinic with a chief complaint of weight loss and fever.  A complete blood count confirmed he was anemic.  Multiple skin lesions were present on his arms with some developing draining pus.  A gram stain of the pus revealed what appeared to be yeast-like cells.  A culture of the pus grew a blue-green mold, which produced a red soluble pigment on the agar.  The most likely causative agent is:

A patient with Hodgkin’s disease presents with headaches and nuccal rigidity (stiff neck). Cultures of the spinal fluid for bacteria are negative, but the laboratory reports growth of brown colony, encapsulated yeast on Niger Bird Seed agar. Which one of the following organisms is the most likely agent?  

The following organism is the most common cause of ‘fungus ball’ or ‘Farmer’s Lung’ disease:

These two cells can become APCs

Equids have this shape for their mature RBCs.

their granules contain anti-inflammatory substances that inhibit local allergic reactions.

They are the predominant white blood cell in ruminants and pigs.

Fish have this shape for their mature RBCs.

Which of the following reservoirs contains the most freshwater?

they are the largest white blood cell in circulation.