IMED1004 Test Questions with 100% Correct Solutions

IMED1004 Test Questions with 100%
Correct Solutions

1**
- Question: Define viruses.
- - ANSWER : Acellular particles needing a host cell to replicate.


2**
- Question: Define prions.
- - ANSWER : Infective proteins associated with neurodegenerative diseases.


3**
- Question: Explain infectious disease from a pathogen's perspective.
- - ANSWER : Pathogens aim to enter hosts, replicate, and cause disease.


4**
- Question: What are reservoirs of pathogens?
- - ANSWER : Sources where pathogens reside and infect new hosts.

, 5**
- Question: How can knowledge of transmission help control pathogens?
- - ANSWER : Understanding transmission modes guides preventive strategies.


6**
- Question: Describe portals of pathogen entry and host barriers.
- - ANSWER : Pathogens enter through various routes, barriers protect against infection.



7**
- Question: What are innate and adaptive immune responses?
- - ANSWER : Innate is rapid and non-specific, adaptive is specific and long-term.


8**
- Question: Explain the likelihood of infectious disease.

- - ANSWER : Depends on microbial load, pathogen virulence, and host
immune response.


9**
- Question: What is the role of the microbiome in health and disease?

- - ANSWER : It plays a crucial role in digestion, protection against pathogens,
and immune regulation.


10**
- Question: Define pathogen, commensal, and opportunistic microorganism.

- - ANSWER : Pathogen causes disease, commensal lives without harm,
opportunistic microorganism causes disease under certain conditions.