1. Introduction to Microbiology

Which of the following bacteria is a nonpathogen that is safely used in teaching laboratories?

Which of the following characteristics is most commonly associated with Staphylococcus aureus?

Which bacterial shape is characterized by a spherical form?

Which of the following diseases is most commonly caused by Staphylococcus bacteria?

All of the following bacteria can cause foodborne illness EXCEPT:

Which of the following bacteria use their flagella to invade mucus membranes and cause infections?

Staphylococcus aureus is responsible for all of the following diseases except:

Which of the following is a function of the bacterial flora?

Which of the following best explains why multiple bacterial species can have similar staining reactions and microscopic morphology?

Which type of bacteria is characterized by a spherical shape?

Which of the following microorganisms commonly colonize portions of the human respiratory tract?

Coccidiosis is caused by a spore-forming protozoa called coccidia, which __________.

Which group of organisms is exclusively responsible for the production of endotoxins?

Which of the following statements accurately describes bacteria?

Microscopic examination of cerebrospinal fluid reveals gram-positive rods. Which of the following organisms is most likely responsible?