Which finding best differentiates Histoplasma from Blastomyces in clinical tissue samples?

Which species of malaria parasite usually has ameboid trophozoites and produces small reddish dots in the red blood cells cytoplams?

Oocysts, the infective stage of Toxoplasma gondii, is found in

What is the end product of purine catabolism in humans?

A 4-year old male child is brought to the pediatrician because his parents are concerned about the Childs frequent falling, which results in bruising.  The parents indicate that the child has difficulty walking, running, standing, climbing stairs and even sitting straight. The child appears weak.  Which of the following results are not consistent with Duchenne’s Muscular Dystrophy 

Migration of larva through the skin can sometimes produce allergic reactions called larva migrans; this is associated with which parasite?

An increased serum level of which of the following analytes is most commonly associated with decreased glomerular filtration?

When measuring enzyme activity, if the instrument is operating five degrees lower that the prescribed temperature for the method, how will the results be affected? 

Of the five immunoglobulin classes (GAMED), IgG is the most structurally simple, consisting of how many light chains, heavy chains respectively? 

the term “lipid storage disease” is used to denote a group of lipid disorders, the majority of which are inherited as autosomal recessive mutations.  What is the cause of these diseases?