Standard Precautions in the microbiology laboratory apply to:
a. all clinical specimens.
b. clinical specimens that contain blood or body fluids.
c. blood, body fluids, feces, sputum, saliva, urine, and vomitus.
d. only specimens that are visibly bloody.
B
Not all specimens carry the hazard of blood-borne pathogens; therefore, not all specimens must be treated as strictly as those that contain blood or bodily fluids.
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Macrophages are phagocytic cells.
Answer the following statement true (T) or false (F)
All of the following are components associated with the bacterial cytoskeleton except
A) FtsZ. B) MreB. C) plaktin. D) crescentin. E) both choices B and C
As a 7-year-old child, you helped your father nail a birdhouse 7 feet high on a 10-foot-tall maple tree
If the tree grew an average of 12 inches per year, except during a dry year when it grew only 2 inches, how high in the tree is the birdhouse when you are 18 years old? A) 17 feet, 2 inches B) 7 feet C) 19 feet D) 10 feet E) 17 feet
If two organisms have similar rRNA sequences, you can conclude that they
A) live in the same place. B) evolved from a common ancestor. C) will have different G-C ratios. D) will both ferment lactose. E) mated with each other.