The right option is; C. portal of entry
The portal of entry is the route or manner in which an infectious agent enters the body. The portal of entry provides access to susceptible tissues in which the infectious agent can multiply and cause disease. Also, infectious agents can use the same portal of entry as a portal of exit to enter a new host. In the scenario from the question, the needle stick was the portal of entry in the chain of transmission.
The “breathalyzer” is a test of a person's BAC. (Blood Alcohol Concentration). This is found to be true in many cases of drunk and recless drivers, intoxicated people and others. The breathalyzer is a ture test and is used in many cases.
You did nothing wrong but life is unfair and we all go through tough times but its like a life lesson to learn from our mistakes. And you are strong for going through that because not all people would have been able to make it through. Dont worry we all have happy endings we just have to dig hard enough to find them. I hope you find someone better that treats you right.
