A73-year-old patient is admitted from a long-term care facility with fever and chills. blood cultures identify the presence of escherichia

The presence of Escherichia coli is identified in the blood cultures. In this case, the physician was able to diagnose Septicemia, blood infection, bacteremia, or blood poisoning. This happens when a bacterial infection from the other parts of the body, such as in the skin or lungs, enters our bloodstream.

Septicemia is normally quite severe. A lot of types of bacteria can cause septicemia, although, the exact source of this infection cannot be determined.

To add, this type of infection must be treated immediately in the hospital because it can quickly become life-threatening and if not treaded instantly, it can progress to sepsis.

1) gene flow

- it is described as the transfer of genes from one population to another population so that frequency of gene is increased.

-a zebra migrates to join a different herd of zebras.

2) natural selection

- a mechanism of evolutionary change in which individuals with advantageous traits survive and reproduce whereas the others ( those that can not adapt) eliminate from the population.

-competition for sunlight leads to taller trees.

3) mutation

- permanent change in the nucleotide sequence of dna ( genetic material) that could have harmful or useful consequences.

-the dna of a snake changes to make its venom stronger.

4) genetic drift - it is a random phenomenon ( that occurs by chance such as fire) that results in change in the gene frequency in a small population.    

-a grassfire randomly sweeps through a population of buffalo and kills most of the animals.

explanation:

c is the correct answer hope this !