Disease Detectives

Based on Koch’s postulates, which would not be a criterion for establishing causation of an illness?

• microbe able to be isolated and cultured

• individual is asymptomatic after some treatment

• cultured microbe is identical to the original microbe causing infection

• in healthy individuals microbe is absent, but present in all infected individuals

What do MRSA and some strains of TB have in common?

• Both are common to infect the upper pharynx

• Both most commonly affect newborns and infants

• Both are resistent to modern antibiotics

Tags

NGSS.MS-LS4-4

An epidemiologist is analyzing the incidences of heart disease among African Americans in the United States as compared to Caucasian populations. They note a higher amount of risk factors, such as limited access to fresh food or healthcare, associated with African American patients. What type of epidemiology is being modeled?

• Analytic epidemiology

• Descriptive epidemiology

• Occupational epidemiology

• Racial epidemiology

Which of the following statistics would describe the virulence of a microorganism?

• When exposed to E. coli strain O157:17, 60% of people will become sick

• Y. pestis causes severe illness and death in 100% of individuals if untreated.

• 50% of the population is a carrier of S. aureus

• 25% of people exposed to tuberculosis will become infected

Malaria is a Parasitic Disease.

• True

• False

St. Clary’s Medical Center has received seven cases of measles in the past two days. The healthcare professionals employed there report the measles cases to the correct health agency. This is an example of:

• Passive surveillance

• Helicopter surveillance

• Syndromic Surveillance

• Active Surveillance

What are the three characteristic symptoms of Pellagra?

• Dermatitis, Dementia, and Diarrhea

• High blood pressure, Hypoglycemia, and Heart Disease

• Fainting, Fatigue, and Fibrosis

• Gangrene, Glycoprotease, and Gingivitis

Deaths related to foodborne illnesses are primarily caused by:

• immunosuppression

• dehydration

• high core temperature

• central nervous system impairment

• lack of accessible care

The normal presence of non-pathogenic E. coli in our gut is an example of which of the following?

• Mutualism

• Parasitism

• Commensalism

• Infection

Tags

NGSS.MS-LS2-2