Answer:
The ejection of syringe contents is to remove air bubbles that can be detrimental to patient health. When antibiotics are repeatedly released this way, microflora in the environment are exposed, albeit at non-lethal doses, which causes said micro-organisms to begin to develop means of neutralizing such antibiotics, thereby contributing to antibiotic resistance and mutations. Also, some syringe contents may not be anti-biotic in nature but they can have mutagenic effects on microbial genome at such concentrations.
Step-by-step explanation:
Antibiotic resistance is the ability of bacteria or other microbes to resist the effects of an antibiotic. Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply causing more harm