Question

Which of the following statements concerning pathology, infection, and disease is true? The majority of microorganisms are pathogenic.Microorganisms that make up the normal microbiota of an individual never cause disease.The term infection is synonymous with the term disease.Pathology refers to the study of structural and functional changes that occur in the body as a result of a disease.

Answer 1

Pathology refers to the study of structural and functional changes that occur in the body as a result of a disease.   -  True

The rest are false for the following reasons:

The vast majority of microorganisms, including the billions that inhabit the human body, are not pathogenic.  However, an excess of certain microbes that are normally found in an individual can lead to an inection, which can lead to disease.  Overuse of antibiotics, or improper use of antibiotics can lead to increases in populations of abnormal microorganisms that can cause infection and disease.  In some cases, mutation within the normal microbiota can lead to infection and serious disease.