A throat swab is inoculated onto a sheep blood agar and then a rapid direct test for Streptococcus pyogenes is performed. The rapid strep test is negative. When streaking the agar plate, you should
A) flame the loop before beginning the final quadrant.
B) flame the loop after completion of all quadrants.
C) stab the agar in the area of the initial specimen placement after completion of the final quadrant.
D) both B and C.
E) all of the above
Question 2
You are a bacterium that has been deposited in the environment (e.g., soil). Your best chance of survival would be to
A) produce a slime layer. B) activate your pathogenicity island.
C) build a biofilm. D) form a spore.
Weber Test
The pH of human blood ranges from 7.35 to 7.45.
Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a
SHEEP BRAIN
Cards Used in a Socially Situated Version of the Problem-Solving Test
Red blood cells with normal hemoglobin, like the three similar ones, are smooth and round