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Microscope Kinds
MICROSCOPES
Bright
field microscopy
is the simplest optical microscopy illumination (i.e., illuminated from below and observed
from above) using white light;
the typical appearance is a dark sample on a bright background.(RP=200nm or 0.2
um)
Dark
field microscopy
(dark ground microscopy) the specimen
appears bright against a dark background
Phase contrast microscopy converts phase
shifts in light passing through a transparent specimen to brightness
changes in the image. Phase shifts themselves are invisible, but become visible
when shown as brightness variations.
Fluorescence microscope uses fluorescence and phosphorescence
in addition to, reflection and absorption to study properties of organic or inorganic
substances as well as microorganisms .(RP=100nm or 0.1 um)
UV microscope uses UV radiation and is designed
to image in regions beyond the visible range; twice the magnifying power of
light microscope. .(RP=100nm or 0.1 um)
Scanning electron microscope (SEM) is a type of electron microscope that produces (surface) images
of a sample by scanning it with a focused beam of electrons.
SEM can achieve resolution better than 1 nanometer. Specimens can be observed onto
an imaging device.
Transmission
electron microscopy
(TEM) is a microscopy
technique whereby a beam of electrons is transmitted through an ultra thin specimen,
interacting with the specimen as it passes through. An image is formed from the
interaction of the electrons transmitted through the specimen; the image is
magnified and focused onto an imaging device, such as a fluorescent
screen, on a layer of photographic film, or to be detected by a
sensor such as a CCD camera.
(RP= 0.2nm)
HS 3 Course Syllabus (Micro & Para for Nurses)
Republic of the Philippines
MINDANAO STATE
UNIVERSITY
Marawi City
BIOLOGY DEPARTMENT
College of Natural Sciences & Mathematics
COURSE SYLLABUS
1st semester, A.Y. 2013-14
Course Number: Health Science (HS) 3
Course Title:
Microbiology and Parasitology for Nurses
Course Description: This course is designed to assist students in the study of important
microorganisms and parasites. It explains the physiology and pathogenic
properties of bacteria, fungi and viruses as an introduction to disease
causation, their biology, the infections they cause, host response to these
infections and their mode of transmission, prevention, treatment and nursing
responsibilities.
The laboratory
experiences provide specimen collection, handling and processing of specimens for isolation and identification of
microorganisms and parasites involved in the infectious processes.
Credit: 3 units lecture, 1unit laboratory
Hours/semester: 54 lecture hours, 54 laboratory hours
Prerequisite: General Chemistry, Anatomy & Physiology
Placement: 2nd year, 1st
semester
Requirements: pass (60%) lab & lec exams & quizzes,
assignments, oral & written
reports, attendance
Terminal Competencies:
At the end of the course and given simulated/
actual situations/conditions, the student will be able to:
- Apply the concepts and principles of microbiology and parasitology in the care of clients across the life span.
- Utilize principles and techniques in the collection,handling of specimens and identification of microorganisms and parasites involved in the infectious processes.
- Describe the measures to prevent spread of infectious diseases
- Describe the measures to control infection.
- Understand the management of communicable diseases.
Course Outline:
- Scope of Microbiology 3 hours
1. Development and History of
Microbiology
2. Significance of Microbiology
3. Practical Applications of
Microbiology
4. Organisms that make up the
microbial world
- Microorganisms 12 hours
1. General Morphology of Microorganism
a. Acellular Micro-organisms (prions, viroids,
viruses)
b. Cellular Micro-organisms
i. Bacteria (archaebacteria, eubacteria)
ii. Protozoa (amoebas, ciliates, flagellates,
sporozoans)
iii. Fungi (yeasts, molds)
iv. Helminths (roundworms, tapeworms,
hookworms, pinworms, flukes, etc)
v. Arthropods (insects)
2. Basic Laboratory Equipment and
Procedures
in the Study of Bacteria
a. Microscopy & Staining Procedures
b. Culture Media & Growth Requirements
3. Normal Human Microbial Flora
a. Symbiosis
b. Opportunistic Microorganisms
4. Seven Capabilities of Pathogens
***Prelim Exam***
- Infection and Host Resistance
1. The Chain of Infection
2. Host response to infection
a.
Non-specific host resistance
b.
Specific host resistance
c. Vaccines in the elimination of disease
3. Nosocomial Infections
IV. Microbial Control
1. Medical Asepsis
- Physical Method
b.
Chemical Method
2. Surgical Asepsis
3. Standard Precautions
4. Transmission-based Precautions
***Midterm***
V. National Tuberculosis Program -Directly
Observed
Treatment
Short-course (NTP DOTS)
1. Transmission and Pathogenesis of PTB
2. Tuberculosis Outcomes
a.
Role of Bacille Calmette-Guerin (BCG)
b.
Role of Nurses in the Prevention of TB
VII. Communicable Diseases Involving Different
Organ
Systems
1. Skin and Eye
2. Nervous System
3. Cardiovascular System
4. Respiratory System
5. Digestive System
6. Urinary and Reproductive
System
VIII. Protozoan and Helminth Diseases of Man
***Final Exam***
Laboratory Exercises:
1. Microscopy
2. Sterilization & Aseptic
Techniques
3. Microorganisms in the Environment
6. Microscopic Examination of Living
Micro-organisms
7. Simple Staining
8. Gram Staining
9. Antibiotic Sensitivity
10. Microscopic Examination of Parasites
***Lab Exam***
References:
* Burton (2007).
Microbiology for the Health Sciences
* Ingraham (2007).
Introduction to Microbiology
* Nester (2007). Microbiology: A Human Perspective
* Pelczar (1987).
Microbiology
* Volk & Wheeler (1988)
Basic Microbiology
* Lecture Hand-outs
*http://www.microparahs3.blogspot.com/
*http://www.microbiobevsnotes.blogspot.com/
Prepared by:
Beverly B. Amparado, Ph.D., R.N.
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