1.1 The Basics Flashcards Preview

Semester 3- Infection > 1.1 The Basics > Flashcards

Flashcards in 1.1 The Basics Deck (7)
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1
Q

What is a microbiota?

A

The sum of all micro-organisms in a specific environment.

2
Q

Give an example of when usually safe bacteria becomes harmful?

A

Transfer of bacteria from the skin to the insides, eg. during surgery

3
Q

List 4 ways bacteria can be spread

A
Physical contact
Airborne
Use of vectors (eg. mosquitos)
Contamination of the environment
Vertical transmission
4
Q

List 4 investigations that can be done to determine whether or not a patient has an infection

A
Full blood count
C reactive protein (CPR)
Blood chemistry test (eg. Liver function test)
Imaging- xray, MRI, ultrasound
Histiopathology
5
Q

Name 4 tests that can be done to specifically identify bacteria as the cause of an infection

A
Take a specimen
Microscopy- Gram Stain
Antigen detection
Antibiotic susceptibility 
Culture
Nucleic acid detection
6
Q

Name 3 tests that can be done to specifically identify viruses as the cause of an infection

A

Antigen detection
Antibody detection
Detect viral nucleic acids (RNA/DNA)

7
Q

What is an infection?

A

An invasion of a host’s tissues by microorganisms which cause disease by microbial multiplication, toxin release and a host responce