Mouth pipetting:
a. should be performed only if necessary and with extreme care.
b. can save valuable time and should be per-formed whenever quick results are needed.
c. is performed only when material is not expected to pose a biological hazard.
d. should not be performed in any circums-tance in the clinical laboratory.
D
Mouth pipetting is a dangerous practice that should never be performed in the clinical laboratory.
You might also like to view...
The type of bond that exists between amino acids in a protein is a(n) ____ bond
a. peptide b. hydrogen c. ionic d. glycosidic e. primary
Economic liberalism is:
A) a word that denotes both the ideology of using markets to organize society and a set of specific policies to free markets from state intrusion. B) the philosophy that social progress comes when individuals freely pursue their self-interests in unregulated markets. C) the philosophy that active state intervention can stabilize the economy and stimulate employment. D) the philosophy of an open society in which the state does not interfere with rights of individuals.
Which of the following tests does NOT provide information on the lowest concentration of drug effective on a pathogen?
A) Etest B) diffusion susceptibility test C) broth dilution test D) both the Etest and diffusion susceptibility test E) MBC test
Which of the following do humans not have taste buds specialized to sense?
A. Salty B. Sweet C. Sour D. Bitter E. Vitamins