Microbiology Fundamentals: A Clinical Approach - Standalone book
Microbiology Fundamentals: A Clinical Approach - Standalone book
2nd Edition
ISBN: 9780078021046
Author: Marjorie Kelly Cowan Professor, Jennifer Bunn
Publisher: McGraw-Hill Education
Question
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Chapter 2, Problem 2CT

(a)

Summary Introduction

To determine:

Which type(s) of medium would be used in isolating the growth of Streptococcus pyogenes from a patient's throat swab.

Introduction:

Streptococci are the most predominant flora found in the respiratory tract of human. Streptococcus pyogenes is a species under Streptococci family and it is an obligate human pathogen, and also the major cause behind human mortality throughout the world due to respiratory diseases.

(b)

Summary Introduction

To determine:

Which type(s) of medium would be used in isolating the pathogen from a patient's clean-catch urine sample.

Introduction:

A clean catch is a method of collecting a urine sample for the diagnostic purpose. This method is important for preventing the germs from the penis or vagina from entering inside the urine sample. Urinary tract infections (UTIs) are included among the most common bacterial infections. These infections lead to inflammation and over growth of uropathogens.

(c)

Summary Introduction

To determine:

Which type(s) of medium would be used in isolating the isolating enteric bacteria such as Escherichia coli from a sample of organically grown spinach.

Introduction:

The presence of Escherichia coli in crops indicates a fecal contamination. This bacterium, is isolated from the intestines of warm-blooded vertebrates, is released into the environment through feces. E. coli contamination in the fields occurs from various sources, such as contaminated soil, fertilizer, and irrigation water.

(d)

Summary Introduction

To determine:

Which type(s) of medium would be used in maintaining a patient's nasal swab specimen for further analysis and identification of possible respiratory syncytial virus (RSV) infection.

Introduction:

Respiratory syncytial virus (RSV) is one of the most common respiratory pathogen, causing infections of the lower respiratory tract within people of all age groups and in immunosuppressed patients, specific diagnosis of RSV infection is based on the detection of virus or “virus specific nucleic acid sequences” inside respiratory secretions.

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