Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
12th Edition
ISBN: 9780134605203
Author: Ted R. Johnson, Christine L. Case
Publisher: PEARSON
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Chapter 1, Problem 1CA
Summary Introduction
To analyze:
The type of microbe that is most likely to be observed when observing a sample from a lung biopsy at 1000x.
Introduction:
Lung biopsy is a medical procedure of removing a sample of cells or tissues from an affected region of the lung and observing it under a microscope for any microbe or lung cancer. The sample is initially examined under a light microscope that can magnify the sample up to 1500x while using light as the source of illumination.
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You have learned many different techniques so far this semester that allow us to identify pathogenic microbes in the clinical setting. Why do you think rapid methods are so helpful? Why are traditional tests such as metabolic tests not always used to ID clinically important microbes?
Below is an MSA plate inoculated with bacteria and grown at 37*C for 2 days. Be
pecific and thorough in your answers for parts a and b below.
The color of the plate is yellow because
b) The presence of bacterial colonies indicates that the bacteria can survive
General Instructions:Choose 1 bacteria/diseases and fill out the details. An example of an answered template is also provided for your reference.
Causative Agent and Disease Profile for S. aureus
Template and Example
ITEM
MSM
PROFILE
MICROBIAL PROFILE
I
MICROORGANISM/CAUSATIVE AGENT
Staphylococcus aureus
A
GRAM REACTION
(+)
B
OXYGEN REQUIREMENT
Facultative Aerobes
C
SIZE
1.5 µm
D
SHAPE
Cocci in clusters
E
HABITAT
Normal flora of skin/anterior nares/pharynx
F
DISCOVERY
G
MICROSCOPIC IMAGE
II
DISEASE PROFILE
Scalded skin syndrome
A
DISEASE/S
Skin and Wound Infections
Scalded Skin Syndrome
Toxic Shock Syndrome
Food Poisoning Pneumonia
B
SYMPTOMS OF THE DISEASE
A high fever · Nausea and vomiting · A rash on your palms and soles that resembles a sunburn
C
INCUBATION PERIOD
2 and 4 hours (range 30 minutes to 8 hours)
D
MODE OF…
Chapter 1 Solutions
Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
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