Michael Jardine
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PHSI3012 (PHSI3012 Topic 1 - Cancer) Quiz on PHSI3012 04-1 Skin Cancer, created by Michael Jardine on 08/26/2017.

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Michael Jardine
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PHSI3012 04-1 Skin Cancer

Question 1 of 20

2

The layers of the skin (from outermost to innermost) are as follows:

Select one of the following:

  • Dermis; Epidermis; Hypodermis

  • Dermis; Hypodermis; Epidermis

  • Epidermis; Dermis; Hypodermis

  • Epidermis; Hypodermis; Dermis

  • Hypodermis; Dermis; Epidermis

  • Hypodermis; Epidermis; Dermis

Explanation

Question 2 of 20

1

Keratinocytes are:

Select one of the following:

  • The major cell of the dermis

  • The major cell of the epidermis

  • The major cell of the hypodermis

Explanation

Question 3 of 20

2

Melanocytes reside within the:

Select one of the following:

  • Stratum Basale - the deepest layer of the epidermis

  • Stratum Basale - the outermost layer of the dermis

  • Stratum Basale - the outermost layer of the epidermis

  • Stratum Corneum - the deepest layer of the epidermis

  • Stratum Corneum - the outermost layer of the dermis

  • Stratum Corneum - the outermost layer of the epidermis

Explanation

Question 4 of 20

1

Within the UV region of ElectroMagnetic Radiation, what wavelengths do the sub-categories UVA and UVB span?

Select one of the following:

  • UVA 200-290 nm
    UVB 290-320 nm

  • UVA 290-320 nm
    UVB 320-400 nm

  • UVA 290-320 nm
    UVB 200-290 nm

  • UVA 320-400 nm
    UVB 290-320 nm

Explanation

Question 5 of 20

1

Select from the dropdown list to complete the text.

Wavelengths ( above 200 nm, above 290 nm, above 320 nm, below 200 nm, below 290 nm, below 320 nm ) are cut out by the ozone layer and do not reach the earth's surface.

Explanation

Question 6 of 20

4

Which of the following are harmful effects of sunlight on the skin?
(select all that apply)

Select one or more of the following:

  • Ageing and wrinkling of the skin

  • DNA lesions

  • Immune suppression

  • Skin carcinogenesis

  • Sunburn

  • Synthesis of Vitamin D₃

  • Upregulation of melanospores

Explanation

Question 7 of 20

1

In UV Dosimetry, exposure dose is measured in what units?

Select one of the following:

  • J

  • mJ / cm^2

  • W / m^2

Explanation

Question 8 of 20

1

In "normal" summer sunlight, the % of light that's UVA is?

Select one of the following:

  • 5%

  • 95%

Explanation

Question 9 of 20

1

Which of the following types of DNA damage resulting from UV exposure is the most common?
(they do all exist)

Select one of the following:

  • Cyclobutane Pyrimidine Dimer (CPD) lesion

  • Oxidative DNA damage

  • Strand Breaks

Explanation

Question 10 of 20

2

Adaptive [positive] Responses to UVR. Select all that apply

Select one or more of the following:

  • Cornification of the epithelium

  • Immunosuppression

  • Melanin production (tan)

  • Synthesis of Vitamin (and related metabolites)

Explanation

Question 11 of 20

1

BCC (Basal Cell Carcinoma) are a type of:

Select one of the following:

  • Keratinocyte cancer

  • Melanocyte cancer

Explanation

Question 12 of 20

1

SCC (Squamous Cell Carcinoma) are a type of

Select one of the following:

  • Keratinocyte cancer

  • Melanocyte cancer

Explanation

Question 13 of 20

1

Which type of keratinocyte cancer is the most common skin cancer?

Select one of the following:

  • BCC - Basal Cell Carcinoma

  • SCC - Squamous Cell Carcinoma

  • Melanoma

Explanation

Question 14 of 20

2

Select from the dropdown lists to complete the text.

Of the three main types of skin cancers, the deadliest are ( BCC - Basal Cell Carcinoma, SCC - Squamous Cell Carcinoma, Melanoma ) , which cause ~1,000 deaths in Australia annually. ( BCC - Basal Cell Carcinoma, SCC - Squamous Cell Carcinoma, Melanoma ) are also kinda not great, causing 340 deaths annually in Australia. ( BCC - Basal Cell Carcinoma, SCC - Squamous Cell Carcinoma, Melanoma ) are still not exactly fun, but "only" cause 60 deaths per year in Australia.

Explanation

Question 15 of 20

1

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?

Select one of the following:

  • 1 in 2

  • 1 in 4

  • 1 in 8

  • 1 in 16

  • 1 in 32

  • 1 in 64

Explanation

Question 16 of 20

4

Fill the blank space to complete the text.

In regard to sunscreen, what does SPF stand for?

Explanation

Question 17 of 20

2

Select from the dropdown lists to complete the text.

SPF is defined as:
( MED* of sunscreen-protected skin ) / ( MED* of unprotected skin )
What does MED stand for?
( Medical, Melanoma, Mesenchymal, Minimal ) ( Effective, Elevated, Epithelial, Erythemal ) ( Damage, Distance, Dose, Drug )

Explanation

Question 18 of 20

1

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?

Select one of the following:

  • SPF 10

  • SPF 15

  • SPF 30

  • SPF 300

Explanation

Question 19 of 20

1

SPF more accurately measures protection against which type of UV exposure?

Select one of the following:

  • Mainly UVA

  • Mainly UVB

  • UVA and UVB

Explanation

Question 20 of 20

1

Action spectrum is defined as "the most effective wavelengths for producing a certain response". These responses can include:

Select one of the following:

  • Sunburn, tanning etc

  • [not this one - just trying to draw attention to the question itself]

    ...maybe fill in more detail on this one later?

Explanation

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