Pigmentation Course Quiz

What are the roles and responsibilities of a Laser Protection Advisor (LPA)? ( Mark 3 correct answers)

An LPA is a consultant in Laser safety.
LPA is the person appointed to oversee safety matters.
It's the job of a LPA to come into clinics and provide expert advice to help clinic owners to ensure they are complying with legislation and properly protect their clients, their staff and themselves.
The only individual who is recognized by MHRA to act as a Laser Protection Advisor are those certified by a professional LPA organisation

What does the LASER acronym stands for? (Mark one correct answer)

Light Animated System Emulsion Regulation
Light Amplified Stimulated by Radiation
Light Amber Secondary to Radiation
Light Amplification by the Stimulated Emission of Radiation

Match the correct laser classification

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Laser products are considered to be safe during normal operation including normal long term intrabeam viewing even when using optical viewing instruments.
Safe for the naked eye under the reasonably foreseeable conditions of operation but may present a hazard if magnifying optical instruments are used with them.
A person receiving an eye exposure will be protected from injury by their own natural aversion response. However, repeated deliberate exposure to the laser beam may not be safe.

Class 1
Class 1M
Class 2

What are the causes of pigmentation? (Mark 3 answers)

Over production of melanin due to sun exposure.
Over production of melanin due to hormonal changes.
Over production of melanin due to celulite.
Over production of melanin due to post inflammation.

Mark just the sentences which are true regarding Skin Phototypes.

Skin Phototypes 4 to 6 a predispose to risk of post inflammatory hyperpigmentation
Skin Phototypes 5 to 6 are predisposed to risk of keloid scarring
For those with red hair gene (MC1R) are immune to skin cancer.

Match the description of these 3 levels of cellular damage.

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-Begins its damage within the cells environs and the cell membrane -Extracellular environment
-Begins its damage within the cells environs and the cell membrane -Extra and intracellular environment
Damage has moved to the cells mitochondria cells membrane -Intracellular environment

Oxidative stress
Lipid Peroxidation
Mitochondria DNA damage

What could stop the keratinocyte from picking up melanosomes? (Sort the sentences in order)

These medications cause the pituitary gland to make too much melanin stimulating hormone.
and in turn, the melanocyte creating an uncontrolled manufacturing of melanosomes and of course pigment creating the MSH cascade.
Causing melanin stimulating hormone (MSH) to continuosly adhering to the receptors of the keratinocyte.
Pregnancy, or medications such as oral contraceptive, in-vitro fertilisation medication or progesterone based medication.

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The Keratinocytes cells requires 3 nutrients which are essential for cell permeability,preventing lipid peroxidation and controlling cellular inflammation . They are: (Mark 3 answers)

Essential Fatty Acids
Vitamin C
Vitamin E
Choline

Which one is NOT a structural difference between melanocytes of Phototypes 4 to 6 and 1 to 3? (Mark one answer)

melanocytes have longer dendrites.
smaller melanosomes.
larger pigment granules.
higher eumelanin content.

Which areas of the body can hormonal pigmentation (MSH cascade) be found?

It can be found in the central facial areas.
Sun damage are mostly found in the outer area of the face towards hairline.

Pigmentation Course

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Participants 1039

Carla Cooper-Gale November 6, 2023

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