43). Organisms that interact and live together on a permanent basis are in a relationship termed:

24). A new type of fungal meningitis (infection of the nervous system) was discovered. Disease occurred among patients who had received steroid injections into their spine. What was the portal of entry?

38). Which of the following correctly describes infectious dose-50 (ID50)?

32). Which of the following body sites would least likely contain a biofilm?

49). The E. coli (non-pathogenic) microbe has a vital role in maintaining a healthy gut by aiding digestion and nutrient absorption. How do newborns initially acquire this microbe?

44). A relationship between two organisms in which one partner benefits and the other is harmed is termed:   Hint: Its like having a relationship and the other person is not contributing but enjoys all that you provide.

46). Our microbiome is composed of a variety of microorganisms that live within and on our bodies. Research has shown our microbiota protects us against infectious pathogens, creates vitamins and minerals we need, and helps us digest our food. We act as a safe residence and food source for our microbiota. The relationship humans have with their microbiome could be described as?   Hint: Its like having a relationship with someone. In this case both you and the other person help each other. 

50). Which of the following is not true regarding the normal microbiome of humans?  

35). You attended a BBQ and ate a variety of foods, including potato and egg salads. After you arrive home a few hours later, you display symptoms of food poisoning (vomiting, diarrhea, cold sweats, etc). Which type of exotoxin did you likely ingest?

42). Which of the following scenario is an example of an opportunistic pathogen causing infection?