Microbiology, Exam III: Quiz 6a (Chapter 14)

Which of the following definitions is incorrect?

Secondary infection: a long-lasting illness (it is an illness that occurs after the primary illness due to depressed immune system)

Which of the following is NOT a direct contributing factor to nosocomial infections?

Public health failure (factors are: microorganisms in hospital, compromised host, chain of transmission)

A disease that is continuously present in a certain population would be classified as

Endemic

Which of the following is an example of a contagious disease?

Chickenpox

Which type of infection can be caused by septicemia

Systemic infection (septicemia is growth of bacteria in the blood)

The yeast Candida albicans does not normally cause disease because of...

microbial antagonism by normal flora (compete for nutrients so the opportunistic candida does not thrive and cause disease)

The major significance of Koch's work was that

Specific microorganisms causes specific diseases

Symptoms of disease differ from signs of disease in that symptoms:

Symptoms are subjective changes felt by patients (signs are objective and measurable)

Plague transmitted by a FLEA is an example of

Vector transmission

Which of the following body sites typically does NOT have a large population of normal flora:

Lower respiratory tract

The number of new and old cases of a disease in a population during a specified time, regardless of when it first appeared. This measure indicates the seriousness of the disease and is referred to as the...

Prevalence