Intro

Question 1

Most well known HAI

Answer 1

MRSA

Question 2

Most common HAIs

Answer 2

Pneumonia
UTI
SSI
GI infection

Question 3

SSIs and BSIs account for ___% of HAIs and cost ____ per infection

Answer 3

22%

$3,500

Question 4

3 layers of the skin

Answer 4

Epidermis
Dermis
Hypodermis (subcutaneous tissue)

Question 5

What % of skin flora reside in the epidermis?

Answer 5

80%

Question 6

What layer accounts for 80% of total dermal thickness?

Answer 6

Reticular layer

Question 7

Hypodermis functions

Answer 7

insulates body
absorbs shock
stores fat as an energy source

Question 8

Four main functions of the skin

Answer 8

Acts as a barrier
Receptor for sensation
Regulates temperature
Excretes waste

Question 9

Why does the structure of chlorhexidine matter?

Answer 9

Allows it to bind tightly to the skin and effectively penetrate microorganism cell walls

Question 10

Resident microbes

Answer 10

reside naturally on the skin
have a beneficial role
significantly reduced by use of antiseptics

Question 11

Transient microbes

Answer 11

do not reside naturally

may be pathogenic

Question 12

What comprises majority of the normal flora?

Answer 12

Staphylococcus epidermidis

Question 13

Factors in transmission

Answer 13

Agent
Source
Mode
Entry 
Susceptibility

Question 14

Asepsis

Answer 14

Technique that prevent contamination of microorganisms

Question 15

Halogen

Answer 15

Disinfectant or antiseptic

Question 16

Biguanides

Answer 16

used as a skin antiseptic

Question 17

What makes an ideal antiseptic

Answer 17

Broad spectrum
Rapid bactericidal activity
Persistence on the skin
Effective in the presence of organic matter
Well tolerated
Minimal systemic absorption

Question 18

What produces coagulase?

Answer 18

S. Aureus

Question 19

Most of the bacteria on the human body reside in the stratum ___

Answer 19

corneum

Question 20

Is Chlorhexidine an anionic molecule?

Answer 20

No

Question 21

which uk regulatory body determines whether a product is a medicinal product?

Answer 21

MHRA

Question 22

What do bacteria produce to help them adhere to medical devices?

Answer 22

Biofilms