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SCI203 MODULE 1 EXAM STUDY GUIDE GRADED A+ 2022 UPDATE
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SCI203 MODULE 1 EXAM STUDY GUIDE GRADEDA+ 2022 UPDATE
Objective and Description In this module you will be introduced to beginnings of
microbiology. You will be introduced to the important people and events that
established microbiology and the contributions of veterinary microbiology to
public health.
Course outcomes
1. Describe and relate the history and development of the science of microbiology.
2. Categorize the general characteristics and classification of microorganisms.
3. Summarize the basis for the classification of microorganisms.
4. Execute the use of microscope.
5. Demonstrate good laboratory practice.
Learning outcomes
1. Identify the personalities and significant events that led to the
establishment of microbiology.
2. Demonstrate the importance of microbiology in understanding
pathogenicity and diagnosis of infectious animal diseases.
3. Execute the basic safety protocols to be observed inside a microbiological
laboratory.
Course Pre-test To preliminary assesses your knowledge on microbiology; please
answer honestly the questions below.
1. What is microbiology?
a. study of little things
b. study of tiny living things
c. study of living things
2. What is a normal flora?
a. a usual population of organism found in an area
b. a usual function of a given system
c. none of the above
3. Who developed the first compound microscope?
a. Zacharias Janssen
b. Antony van Leeuwenhoek
c. Robert Hooke
4. Are all microorganisms
pathogenic? a.Yes
b.No
c.Mayb
e
5. What is the causative agent of Black Plague?
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,SCI203 MODULE 1 EXAM STUDY GUIDE GRADED
A+ 2022 UPDATE
a. Mycobacterium sp.
b. Yersinia pestis
c. Bacillus anthracis
6. How would you best describe what a pandemic
is?
a. an infection that spreads large geographic region
b. is the same to an epidemic
c. the new normal
7. What is nosocomial infection?
a. infection of upper respiratory tract
b. infection found in animals only
c. infections acquired in hospitals
8. Which of the following are examples of relationship a microorganism
have with its host?
a. platonic
b. commensalism
c. tectonic
9. How can you control microorganisms?
a. sterilization
b. antibiotic
c. a and b
10.What best describes antibiotic resistance?
a. resistance to use of antibiotic
b. resistance to the effectivity of antibiotic
c. neither
Activities
TASK 1 Please read and comprehend the lessons found in the learning plan.
Take note of the important topics or issues and do a further research by cross
referencing with the books/online resources listed in the syllabus.
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, SCI203 MODULE 1 EXAM STUDY GUIDE GRADED
A+ 2022 UPDATE
Module No.1, Lesson 1: Introduction to Microbiology
Preface
“Microbes, including bacteria, fungi, archaea, protists and viruses, are the
smallest creatures that ever lived. They are also the most abundant and
successful organisms on Earth, “outnumber[ing] the stars in the known universe
by more than 100 million times over.” They created the Earth’s oxygen-rich
atmosphere, and they make up half the weight of life on Earth. Together, let us
figure out who is there and what to call them”. Tim Mcnulty for The Hidden Half of Nature
What is microbiology?
Microbiology translates to “the study of small life,” where the small life
refers to microorganisms or microbes. Microorganisms are so tiny that they can
only be seen with the aid of microscopes. Although microorganisms are
widespread in nature and are beneficial to life, some can cause serious harm.
What is a microorganism?
Microorganisms or microbes are microscopic organisms that exist as
cellular microbes (or organisms) and the acellular microbes (or agents). Cellular
microbes can be either unicellular, where one cell is the entire organism, or
multicellular, where numerous number of cells can make up the entire organism.
Under this category we have the bacteria, the archaea, the fungi, and the
protists. In the acellular camp we have the viruses and other infectious agents,
such as prions and viroids which needs host cells in order to multiply.
A microorganism can either be pathogenic or non-pathogenic. Pathogenic
microorganisms can infect and cause diseases on human, plants or animals while
non- pathogenic microorganisms are beneficial to the host. In fact, a normal flora
is a population of microorganisms naturally present within a healthy body. It
could be on the skin surface, within natural body cavities, in the gastrointestinal
tract or reproductive tract.
In order to identify and classify microorganisms, you must first learn their
characteristics.
Characteristics of Microorganisms
1. Morphological characteristics: cell shape, size (μm), and structure, special
structures, cell arrangements, staining reactions and motility and flagellar
arrangements.
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