Nasopharyngeal swab is:
a. acceptable.
b. not acceptable.
B
Because indigenous anaerobes are often present in large numbers as normal flora on mucosal surfaces, even minimal contamination of a specimen can give misleading results. Specimens that are likely to be contaminated are unacceptable for anaerobic culture.
You might also like to view...
Glycolysis is a series of chemical reactions (endergonic and exergonic) by which the cell can obtain ATP. NAD+ plays a crucial role in the reactions of glycolysis by:
A. accepting electrons from glucose so that glucose gets partially oxidized to pyruvate. B. donating electrons to pyruvate when glucose gets partially oxidized. C. converting endergonic reactions to exergonic reactions so that there is an output of energy to make ATP. D. donating electrons to ADP to make ATP.
A ________ is a DNA molecule used in hybridization reactions to detect the presence of a particular gene in separated DNA fragments.
A. plasmid B. probe C. blot D. vector
Which of the following microorganisms associated with food poisoning thrives in cold storage?
A. Salmonella spp. B. Shigella spp. C. Clostridium botulinum D. Escherichia coli E. Listeria monocytogenes
Which of the following is not found in/on the tongue?
A. taste buds B. dentin C. sensory receptors D. muscle E. mucous membrane