Question

1. a communicable disease that can be easily transmitted from person to person is which type of disease?

a. contagious
b. iatrogenic
c. acute
d. nosocomial

1. which of the following would be a virulence factor of a pathogen?

a. a surface protein allowing the pathogen to bind to host cells
b. a secondary host the pathogen can infect
c. a surface protein the host immune system recognizes
d. the ability to form a provirus

Explanation:

For question 8:

• Contagious diseases are communicable and easily transmitted person - to - person.
• Iatrogenic refers to a disease caused by medical treatment.
• Acute describes the duration (short - term) of a disease, not its transmissibility.
• Nosocomial are hospital - acquired infections.

For question 9:

• A surface protein allowing pathogen to bind to host cells is a virulence factor as it helps the pathogen infect the host.
• A secondary host is about the pathogen's life cycle, not its virulence.
• A surface protein recognized by the host immune system may lead to the pathogen's elimination, not enhance virulence.
• Ability to form a provirus is a viral replication mechanism, not directly a virulence factor for infecting (binding to) host cells.

Answer:

1. a. contagious
2. a. a surface protein allowing the pathogen to bind to host cells