Multiple Choice
Which of the following bacteria is a nonpathogen that is safely used in teaching laboratories?
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1. Introduction to Microbiology
Members of the Bacterial World
Multiple Choice
Which of the following is an example of an infectious disease that is also a communicable disease?
A
Botulism
B
Lyme disease
C
Tuberculosis
D
Tetanus
Verified step by step guidance1
Step 1: Understand the definitions of key terms. An infectious disease is caused by pathogenic microorganisms such as bacteria, viruses, parasites, or fungi. A communicable disease is an infectious disease that can be transmitted from one person to another, either directly or indirectly.
Step 2: Analyze each option to determine if it is infectious and communicable. Botulism is caused by a toxin from Clostridium botulinum and is not typically spread from person to person, so it is infectious but not communicable.
Step 3: Lyme disease is caused by the bacterium Borrelia burgdorferi, transmitted through tick bites, and is infectious but not communicable between humans.
Step 4: Tuberculosis is caused by Mycobacterium tuberculosis and is both infectious and communicable because it spreads from person to person through airborne droplets.
Step 5: Tetanus is caused by Clostridium tetani, which enters through wounds and is infectious but not communicable between people.
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