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Microorganisms common in the human body

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What are the most common microorganisms found in the nose? Oropharyx, Nasopharynx? Tonsillar crypts? Lower respiratory tract? Oral cavity? Eye? External ear? Stomach? Small intestine? Colon? Genitourinary tract?

ii) Differentiate between common-source and propagated epidemics.

iii) Why is cholera the most sever form of gastroenteritis? What is the most common form of gastroenteritis in the United States of America?

iv) What is the standard treatment for most bacterial diarrheas?

v) Outline the determinants of infectious disease as it relates to an organism that causes any common nosocomial infection.

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Solution Preview

Streptococci are the predominate normal flora found in the nose and oral cavity, to include Staphylococcus aureus and S. epidermidis, which are also found in the oropharynx. Streptococcus pneumoniae, Neisseria meningitidis and Haemophilus influenzae are normal flora found in the nasopharynx. The tonsillar crypts contain Arachnia spp. and Actinomyces. The lower respiratory tract has no bacteria present. The conjunctiva commonly contains Staphylococcus albus and corynebacteria. The external ear contains staphylococci, dominated by Staphylococcus epidermidis. The most common bacteria found in the stomach is Helicobacter pylori. The ...

Solution Summary

This solution contains detail information on microorganisms that are commonly found in the nose, oropharyx, nasopharynx, tonsillar crypts, lower respiratory tract, oral cavity, eye, external ear, stomach, small intestine, colon, and genitourinary tract. It also includes detailed information on types of epidemics, gastroenteritis and cholera, bacterial diarrhea treatment, and determinants of nosocomial infections.

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