What is the purpose of thioglycolate in media? (2.8)

A six-year-old child complains of an itchy anus, especially at night, and abdominal pain. The following is seen on a scotch-tape test. What is the causative agent?  (19.3)

Is it possible for bacteria classified as nonfermentors to use glucose in the presence of oxygen?  If so, what is a further classification of those organisms?  (9.2)

The main bacterial cell shapes include all of the following EXCEPT:  (1.5)

Intracellular, gram-negative diplococci found in a direct smear of a genital specimen from either a man or a woman is diagnostic for Neisseria gonorrhoeae. (3.4) 

Which test distinguishes Staphylococcus from Micrococcus?  (4.8)

How would you interpret a gram stain of a sputum that contained 35 WBCs/lpf and 5 squamous epithelial cells (SECs)/lpf? (3.8)

This common intestinal parasite whose troph form has two nuclei that resemble eyes and a long axoneme with two curved median bodies causes traveler’s diarrhea after drinking water from lakes, ponds, or rivers.  (19.3)

What is another name for the type of ringworm shown in this picture? (17.5)

How would you describe this organism? (17.4)