III • Direct-Contact Diseases

Question 1

III • Direct-Contact Diseases

How does the disease spread (examples)?

Answer 1

by direct contact with an infected person or by direct contact with blood or excretions from an infected person.

Question 2

What is the difference between Airborne Bacterial Diseases vs Direct-Contact Diseases?

Answer 2

diseases spread primarily through direct contact with infected individuals rather than by an airborne route.

Question 3

Staphylococcus aureus Infections
What are the sites of infection and who is infected?

Answer 3

Infect skin and wounds/humans and other animals.

Question 4

What is the name of the disease it causes?

Answer 4

Pneumonia

Question 5

Most staphylococcal infections result from the transfer of?

Answer 5

Transfer of staphylococci in the normal flora of an infected, asymptomatic individual, to a susceptible individual. Others result from toxemia following the ingestion of contaminated food.

Question 6

Characteristics of Helicobacter pylori?

Answer 6

gram-negative, highly motile, spiralshaped bacterium.

Question 7

Helicobacter pylori

The diseases it causes?

Answer 7

gastritis, ulcers, and gastric cancers

Question 8

Location of infection

Answer 8

This bacterium colonizes the non-acidsecreting mucosa of the stomach and the upper intestinal tract.