Why is it not surprising that Staphylococci are the leading cause of wound infections?
A.
This genus is readily present as a part of the normal microbiota on most people's skin, so it could easily enter wounds.
B. Members of this genus are all particularly virulent and highly capable of causing numerous infections.
C. Staphylococci cannot be eradicated from the skin due to multidrug resistance in most members of the genus. Drugs simply don't kill them.
D. Staphylococci are capable of a higher degree of spontaneous mutation than most microbes. This makes them able to acquire antibiotic resistance very readily, making them hard to eliminate by pre-surgical antibacterial scrubs. As such, they commonly infect surgical wound sites.
A.
You might also like to view...
Penicillin stops bacterial cell wall formation by
A) inhibition of a transpeptidase. B) inhibiting synthesis of NAM. C) inhibiting synthesis of NAG. D) inhibiting transport of NAG and NAM past the permeable membrane.
What structure helps mangroves with structural support and gas exchange?
a. Sediment traps b. Pneumatophores c. Mangal d. Chromatophores
Which of the following is true of the structure
labeled “C”? a. It is composed of tubulin subunits. b. It is composed of actin subunits. c. It is a microtubule. d. It is an intermediate filament. e. It moves chromosomes during nuclear division.
Nondisjunction of the X chromosomes may occur during formation of gametes and produce two kinds of eggs. If normal sperm fertilizes these two kinds of eggs, which of the following pairs of genotypes are possible?
A) XX and XY B) XYY and YO C) XXY and XO D) XYY and XO