객관식
Which of the following types of influenza are the most common and cause seasonal epidemics?
i. Influenza A.
ii. Influenza B.
iii. Influenza C.
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목차
- 1. Introduction to Microbiology3h 26m
- Introduction to Microbiology17m
- Introduction to Taxonomy27m
- Scientific Naming of Organisms9m
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- 21. Principles of Disease6h 54m
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- The Human Microbiome46m
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- 25. Epidemiology2h 24m
- Introduction to Epidemiology37m
- Introduction to Chain of Infection5m
- Reservoirs of Infection12m
- Disease Transmission4m
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- 26. Applications of the Immune Response2h 9m
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- Tests to Guide Antimicrobial Use21m
- Antimicrobial Resistance29m
- 29. Microbial Infections - Skin and Eyes46m
- 30. Microbial Infections - Respiratory System1h 23m
- 31. Microbial Infections - Digestive System1h 10m
- 33. Microbial Infections - Nervous System2h 18m
- 34. Microbial Infections - Urogenital System1h 40m
30. Microbial Infections - Respiratory System
Influenza
객관식
Which of the following is most directly responsible for the entry of the influenza virus into the cell?
A
The hemagglutinin protein.
B
The NA spike protein.
C
Influenza C.
D
The neuraminidase antigen.
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검증된 단계별 안내1
Understand that the question asks which component of the influenza virus facilitates its entry into the host cell.
Recall that influenza virus has surface proteins called hemagglutinin (HA) and neuraminidase (NA), each with distinct functions.
Know that hemagglutinin (HA) binds to sialic acid receptors on the host cell surface, initiating viral attachment and entry.
Recognize that neuraminidase (NA) is involved later in the viral life cycle, primarily helping the release of new viral particles from infected cells, not entry.
Conclude that the hemagglutinin protein is most directly responsible for the entry of the influenza virus into the cell.
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