You are working in a clinical laboratory in a hospital setting. You're handed a throat swab from a patient. You are told specifically that the physician is only interested in the presence and type of Gram positive cells
Identification isn't the main goal here-just a first step to work towards determining what Gram positive cells might be there.What might you do first to go about working towards this goal?
A. Perform a Gram stain.
B. Streak the sample for isolation on a tryptic soy agar general purpose medium plate.
C. Streak the sample for isolation on a medium that is selective for Gram positive cells while suppressing Gram negative cell growth.
D. Grow the microbes on the swab by inoculating a tryptic soy broth liquid medium tube.
E. Perform an acid-fast stain.
A
You might also like to view...
A sharp cline may indicate
A) a sudden increase in the mutation rate. B) a population bottleneck. C) a geographical obstacle, such as a mountain. D) nonrandom mating.
The above figure represents a fungus known as
____. a. Puccinia. b. Rhizopus. c. Agaricus. d. Pilobolus. e. Amanita.
The __________ is a sedimentary cycle; Earth's crust is the largest reservoir, and there is no major
gaseous form. Fill in the blank(s) with the appropriate word(s).
Which cells of the pancreas produce somatostatin?
a. alpha cells b. beta cells c. delta cells d. F cells e. gamma cells