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Module 2 – Basic Microbiome (Test)

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Module 2 – Basic Microbiome
Module 2 – Basic Microbiome (Test)

Module 2 Test

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Question 1 of 15

1. Question

In the cosmetics industry, probiotics are categorised into four types or “levels”. Select the statement that best describes each level.

(Drag the correct answer to the block next to each level)

Sort elements

Live probiotics – Can actively colonize on the skin.
Tyndillized probiotics – Are whole probiotics but not living.
Lysates – Are the cell contents of broken probiotic cells.
Microbial broth with actual microbes filtered out.

Level 4

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Level 3

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Level 2

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Level 1

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Question 2 of 15

2. Question

Topical probiotics:

Improve hydration
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Accelerate collagen degradation
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Increase sensitivity and increase barrier function
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Are not necessary
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Question 3 of 15

3. Question

Tight-junctions (T-junctions)

Don’t relate to skin health
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Are like stitches that bind cells tightly together
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Cause the skin to feel tight and uncomfortable
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Increase trans epidermal water loss
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Question 4 of 15

4. Question

Competitive exclusion

Refers to probiotic microbes outcompeting pathogenic ones for space on the skin
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Stops nutrients entering the skin
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Uses mineral oils to deter pathogens
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Is a process where pathogens attach to skin cells
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Question 5 of 15

5. Question

Probiotics produce natural moisturising factors like Lactic Acid and Hyaluronic Acid.

True
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False
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Question 6 of 15

6. Question

Fill in the missing word:

Signaling from probiotics encourages the production of anti-microbial peptides (AMPs) called BLANK 1 of 1. These selectively destroy pathogens (bad microbes).
Signaling from probiotics encourages the production of anti-microbial peptides (AMPs) called Fill in the blank 1 of 1 . These selectively destroy pathogens (bad microbes).

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Question 7 of 15

7. Question

Improved barrier function can be achieved by:

Ensuring a pH balance of 8
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Improved quality and quantity for T-junctions
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Maintaining a microbe free skin
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Using a sebum stripping cleanser
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Question 8 of 15

8. Question

One way probiotics reduce sensitivity is by:

Triggering the immune system to react
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Masking redness with the help of a foundation
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Improving barrier function
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Question 9 of 15

9. Question

Modern lifestyle factors have depleted our microbiome.

True
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False
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Question 10 of 15

10. Question

Fill in the missing percentage.

Studies have shown that most of us have already lost up to BLANK 1 of 1% of our microbial diversity.
Studies have shown that most of us have already lost up to Fill in the blank 1 of 1 % of our microbial diversity.

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Question 11 of 15

11. Question

Fill in the missing number of years.

A single antibiotic dose has been shown to destabilize the skins ecosystem for up to BLANK 1 of 1 years.
A single antibiotic dose has been shown to destabilize the skins ecosystem for up to Fill in the blank 1 of 1 years.

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Question 12 of 15

12. Question

A practical way to restore your skin’s microbiome is to:

Avoid fermented foods
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Kill bad bacteria with disinfectant wipes
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Use topical probiotics
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Stay out of the sun
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Question 13 of 15

13. Question

Probiotic extracts on skin:

Are used as a marketing ploy
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Positively affect the behaviour of your microbes
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Have no effect
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Are harmful
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Question 14 of 15

14. Question

Fill in the missing word

A species that significantly alters the habitat around it and thus affects large numbers of organisms is known as a BLANK 1 of 1 species.
A species that significantly alters the habitat around it and thus affects large numbers of organisms is known as a Fill in the blank 1 of 1 species.

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Question 15 of 15

15. Question

Lactobacilli:

Are keystone species on the skin
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Produce Hyaluronic Acid and Lactic Acid
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Are microbes
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All of the above
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