10007005
Descripción
Test por Michael Jardine, actualizado hace más de 1 año
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Creado por Michael Jardine
hace alrededor de 7 años
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Pregunta 1
Pregunta
The layers of the skin (from outermost to innermost) are as follows:
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Dermis; Epidermis; Hypodermis
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Dermis; Hypodermis; Epidermis
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Epidermis; Dermis; Hypodermis
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Epidermis; Hypodermis; Dermis
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Hypodermis; Dermis; Epidermis
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Hypodermis; Epidermis; Dermis
Pregunta 2
Pregunta
Keratinocytes are:
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The major cell of the dermis
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The major cell of the epidermis
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The major cell of the hypodermis
Pregunta 3
Pregunta
Melanocytes reside within the:
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Stratum Basale - the deepest layer of the epidermis
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Stratum Basale - the outermost layer of the dermis
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Stratum Basale - the outermost layer of the epidermis
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Stratum Corneum - the deepest layer of the epidermis
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Stratum Corneum - the outermost layer of the dermis
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Stratum Corneum - the outermost layer of the epidermis
Pregunta 4
Pregunta
Within the UV region of ElectroMagnetic Radiation, what wavelengths do the sub-categories UVA and UVB span?
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UVA 200-290 nm UVB 290-320 nm
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UVA 290-320 nm UVB 320-400 nm
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UVA 290-320 nm UVB 200-290 nm
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UVA 320-400 nm UVB 290-320 nm
Pregunta 5
Pregunta
Wavelengths [blank_start]__________[blank_end] are cut out by the ozone layer and do not reach the earth's surface.
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above 200 nm
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above 290 nm
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above 320 nm
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below 200 nm
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below 290 nm
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below 320 nm
Pregunta 6
Pregunta
Which of the following are harmful effects of sunlight on the skin?
(select all that apply)
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Ageing and wrinkling of the skin
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DNA lesions
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Immune suppression
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Skin carcinogenesis
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Sunburn
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Synthesis of Vitamin D₃
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Upregulation of melanospores
Pregunta 7
Pregunta
In UV Dosimetry, exposure dose is measured in what units?
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J
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mJ / cm^2
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W / m^2
Pregunta 8
Pregunta
In "normal" summer sunlight, the % of light that's UVA is?
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5%
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95%
Pregunta 9
Pregunta
Which of the following types of DNA damage resulting from UV exposure is the most common?
(they do all exist)
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Cyclobutane Pyrimidine Dimer (CPD) lesion
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Oxidative DNA damage
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Strand Breaks
Pregunta 10
Pregunta
Adaptive [positive] Responses to UVR. Select all that apply
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Cornification of the epithelium
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Immunosuppression
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Melanin production (tan)
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Synthesis of Vitamin (and related metabolites)
Pregunta 11
Pregunta
BCC (Basal Cell Carcinoma) are a type of:
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Keratinocyte cancer
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Melanocyte cancer
Pregunta 12
Pregunta
SCC (Squamous Cell Carcinoma) are a type of
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Keratinocyte cancer
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Melanocyte cancer
Pregunta 13
Pregunta
Which type of keratinocyte cancer is the most common skin cancer?
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BCC - Basal Cell Carcinoma
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SCC - Squamous Cell Carcinoma
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Melanoma
Pregunta 14
Pregunta
Of the three main types of skin cancers, the deadliest are [blank_start]__________[blank_end] , which cause ~1,000 deaths in Australia annually. [blank_start]__________[blank_end] are also kinda not great, causing 340 deaths annually in Australia. [blank_start]__________[blank_end] are still not exactly fun, but "only" cause 60 deaths per year in Australia.
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BCC - Basal Cell Carcinoma
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SCC - Squamous Cell Carcinoma
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Melanoma
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BCC - Basal Cell Carcinoma
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SCC - Squamous Cell Carcinoma
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Melanoma
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BCC - Basal Cell Carcinoma
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SCC - Squamous Cell Carcinoma
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Melanoma
Pregunta 15
Pregunta
Queensland is the skin cancer capital of the world, due to being situated near the equator and being full of white people. Roughly what proportion of Queenslanders will get Melanoma at some point in their life?
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1 in 2
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1 in 4
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1 in 8
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1 in 16
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1 in 32
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1 in 64
Pregunta 16
Pregunta
In regard to sunscreen, what does SPF stand for?
[blank_start]_____[blank_end]
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Sun Protection Factor
Pregunta 17
Pregunta
SPF is defined as:
( MED* of sunscreen-protected skin ) / ( MED* of unprotected skin )
What does MED stand for?
[blank_start]M[blank_end] [blank_start]E[blank_end] [blank_start]D[blank_end]
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Medical
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Melanoma
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Mesenchymal
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Minimal
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Effective
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Elevated
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Epithelial
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Erythemal
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Damage
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Distance
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Dose
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Drug
Pregunta 18
Pregunta
Imagine you are determining the SPF of a new sunscreen.
The MED of protected skin = 300 seconds
The MED of unprotected skin = 10 seconds
The resulting SPF rating would be?
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SPF 10
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SPF 15
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SPF 30
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SPF 300
Pregunta 19
Pregunta
SPF more accurately measures protection against which type of UV exposure?
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Mainly UVA
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Mainly UVB
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UVA and UVB
Pregunta 20
Pregunta
Action spectrum is defined as "the most effective wavelengths for producing a certain response". These responses can include:
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Sunburn, tanning etc
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[not this one - just trying to draw attention to the question itself] ...maybe fill in more detail on this one later?
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