MEDICINE MCQ
INFECTIOUS DISEASES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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viruses
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pathogens
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microbes
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None of the above
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Detailed explanation-1: -Infectious diseases are caused by pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins called prions. Pathogens of all classes must have mechanisms for entering their host and for evading immediate destruction by the host immune system. Most bacteria are not pathogenic.
Detailed explanation-2: -The main five categories of pathogens are viruses, bacteria, fungi, protozoa and helminths. Pathogens are infectious agents. They can enter the body by various means. They can be soil-borne, foodborne, airborne or can spread through direct contacts, such as through body fluids or sexual contact.
Detailed explanation-3: -Bacillus anthracis (Anthrax) Clostridium botulinum (botulism) Francisella tularensis subsp. Tularensis (valley fever) Yersinia pestis (the plague) 14-May-2014