PBS Unit 3

The branch of medical science that deals with causes and control of health problems in the population is called:

• Pathology

• Epidemiology

• Entomology

• Histology

True or False: Nosocomial infection is another term for a hospital-acquired infection.

• True

• False

In 2020, as the number of cases of COVID-19 increased and spread across the world, it became considered:

• Epidemic

• Endemic

• Outbreak

• Pandemic

When initially researching a nosocomial outbreak, epidemiologists should record which of the following:

• Similarities in the symptoms of affected patients

• Timeline for when infection symptoms developed

• Locations affected patients visited in the hospital

• All of the above

Pathogen is defined as:

• An organism in which another organism lives

• The establishment of a disease-causing organism within a host

• A disease-causing organism

• A disorder of function in an organism that results in symptoms

True of False: All microbes cause disease.

• True

• False

This non-living infectious agent, which causes the flu, cannot replicate on its own & infects healthy cells as hosts.

• Prions

• Viruses

• Bacteria

• Fungi

• Helminths

This living infectious agent, also known as worms, is acquired through consumption of contaminated food or water and often causes rapid weight loss.

• Prions

• Viruses

• Bacteria

• Fungi

• Helminths

This non-living infectious protein causes normal brain proteins to fold abnormally, leading to neurological symptoms (confusion, hallucinations).

• Prions

• Viruses

• Bacteria

• Fungi

• Helminths

This living, animal-like infectious agent thrives in the digestive tract of a host, depriving the host of nutrients from food and can sometimes be treated with antiprotozoal medication.

• Prions

• Viruses

• Bacteria

• Fungi

• Protists

Tags

NGSS.MS-LS2-4