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2. Importance of Microbiology in
Nursing Practice

3. Introduction to Microbiology
• Microbiology is the study of
microorganisms, which are invisible to
the naked eyes, include bacteria,
fungi, algae, protozoa and viruses etc
• Microorganisms:
Minute living organism which are
invisible to the naked eyes,, includes
bacteria, fungi, algae, protozoa, and
viruses etc.

4. Health:
Health is a state of complete
physical, mental and social well-
being and not merely the
absence of disease.
Infection:
•Invasion of the host by
Pathogen is called Infection.

5. Pathogen: A microorganism
capable of causing disease.
Opportunistic Pathogens
An agent capable of causing
disease only when the host (patient)
is “immuno-compromised”

6. • Medical microbiology deals with the study of
microorganisms responsible for various
diseases of low to high intensity and it can be
divided into:
• 1. Bacteriology, which deals with study of
unicellular bacteria.
• 2. Virology, which facilitates study of viruses.
• 3. Parasitology, which involves unicellular to
multicellular parasites.
• 4. Mycology, that deals with various fungal
microorganisms .

7. Q: Importance of Microbiology in nursing?
Nurses utilize concepts of microbiology
while giving patient care.
Knowledge of microbiology plays
important roles in the nursing field in
many ways such as:
To prevent spread of infection:
• Nurses should have knowledge about
the mode of spread of infection.

8. •To know importance of Hand Hygiene/
washing
This technique reduces load of
microorganisms on hands of a nurse which
further helps in restricting risk of hospital
acquired infection.
•To maintain sterile field:
A nurse must know procedures used to
create and maintain a sterile field in the
hospitals for operation theatres so that the
post-operative infections could be avoided.

9. •Proper administration Targeted
treatment
Proper administration of recommended
antibiotic treatment for a particular
duration is must based on knowledge of
microbiology.
•Proper disposal of biomedical waste and
segregation of waste in different bins
according to their origin generated in
healthcare settings helps in checking

10. To collect sample in proper way:
• Nurse must recognize the importance of
proper collection of samples to be sent for
bacteriological examination to obtain
accurate results.
• Collect specimen from a proper site like,
pustule or blood or stool etc.
 To give Vaccination: to control threats of
various diseases like diphtheria or MMR etc.
To give health education