Question Detail

MIC 121 Introductory Microbiology Objective Question
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Question

According to Robert Koch's postulates, what is the *first* requirement for establishing that a specific microorganism causes a disease?
Options
A The pathogen from the pure culture must cause the disease when inoculated into a healthy host.
B The specific pathogen must be isolated from the diseased host and grown in pure culture.
C The microorganism or pathogen must be present in all cases of the disease.
Correct Answer
D The pathogen must be reisolated from the new host and identified as the original pathogen.
Correct Answer

Option C is the correct answer.

Detailed Explanation

The first postulate states: 'The microorganism or pathogen must be present in all cases of the disease.' This establishes a consistent association between the microbe and the disease.

Hint

This postulate describes the initial observation you'd make when studying a disease and its potential cause.

Question Info

Course: MIC 121
Topic: Introductory Microbiology
Type: Objective
Difficulty: Not specified
Question 175 of 984
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