Chapter 6 Exam - 1000

Why should a CST understand microbiology?

To prevent disease transmission and protect both patients and healthcare workers.

What are HAIs?

Healthcare-Associated Infections — infections patients get while receiving medical care.

What is an SSI?

A Surgical Site Infection — an infection that occurs at or near the surgical incision after surgery.

What are the two main reasons CSTs study microbiology?

• To stop communicable disease spread.

• To prevent HAIs, especially SSIs.

What do microorganisms do during decay?

They break down complex organic matter (like plants and animals) into simpler compounds.

What is the purpose of decay by microorganisms?

To recycle nutrients back into the environment.

What do some microorganisms do with inorganic compounds?

They convert inorganic materials into higher forms that plants and animals can use as nutrients.

Why are microorganisms important to the ecosystem?

They recycle and transform materials, supporting the nutrient cycle for plants and animals.

What is microbiology?

The study of microscopic organisms like bacteria, fungi, viruses, protozoa, algae, and prions.

Who first observed fungal growth?

Robert Hooke.

Who built an early microscope and discovered “animalcules”?

Anton van Leeuwenhoek.

Who disproved spontaneous generation?

Francesco Redi and Lazzaro Spallanzani.

Who started the field of bacteriology?

Ferdinand J. Cohn.

What does the term bacillus mean?

Rod-shaped bacteria.

Who proposed the germ theory of disease?

Louis Pasteur.

Who proved the germ theory using anthrax in mice?

Robert Koch.

Why were organisms classified by type?

To organize and better study their similarities and behaviors.

What did classification allow scientists to do?

Observe and document the behaviors and traits of each type of organism.

What was the main benefit of classifying organisms?

It made it easier to study and compare microorganisms systematically.