PHSI3012 04-1 Skin Cancer

Description

PHSI3012 (PHSI3012 Topic 1 - Cancer) Quiz on PHSI3012 04-1 Skin Cancer, created by Michael Jardine on 08/26/2017.
Michael Jardine
Quiz by Michael Jardine, updated more than 1 year ago
Michael Jardine
Created by Michael Jardine about 7 years ago
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Resource summary

Question 1

Question
The layers of the skin (from outermost to innermost) are as follows:
Answer
  • Dermis; Epidermis; Hypodermis
  • Dermis; Hypodermis; Epidermis
  • Epidermis; Dermis; Hypodermis
  • Epidermis; Hypodermis; Dermis
  • Hypodermis; Dermis; Epidermis
  • Hypodermis; Epidermis; Dermis

Question 2

Question
Keratinocytes are:
Answer
  • The major cell of the dermis
  • The major cell of the epidermis
  • The major cell of the hypodermis

Question 3

Question
Melanocytes reside within the:
Answer
  • 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

Question 4

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

Question 5

Question
Wavelengths [blank_start]__________[blank_end] are cut out by the ozone layer and do not reach the earth's surface.
Answer
  • above 200 nm
  • above 290 nm
  • above 320 nm
  • below 200 nm
  • below 290 nm
  • below 320 nm

Question 6

Question
Which of the following are harmful effects of sunlight on the skin? (select all that apply)
Answer
  • Ageing and wrinkling of the skin
  • DNA lesions
  • Immune suppression
  • Skin carcinogenesis
  • Sunburn
  • Synthesis of Vitamin D₃
  • Upregulation of melanospores

Question 7

Question
In UV Dosimetry, exposure dose is measured in what units?
Answer
  • J
  • mJ / cm^2
  • W / m^2

Question 8

Question
In "normal" summer sunlight, the % of light that's UVA is?
Answer
  • 5%
  • 95%

Question 9

Question
Which of the following types of DNA damage resulting from UV exposure is the most common? (they do all exist)
Answer
  • Cyclobutane Pyrimidine Dimer (CPD) lesion
  • Oxidative DNA damage
  • Strand Breaks

Question 10

Question
Adaptive [positive] Responses to UVR. Select all that apply
Answer
  • Cornification of the epithelium
  • Immunosuppression
  • Melanin production (tan)
  • Synthesis of Vitamin (and related metabolites)

Question 11

Question
BCC (Basal Cell Carcinoma) are a type of:
Answer
  • Keratinocyte cancer
  • Melanocyte cancer

Question 12

Question
SCC (Squamous Cell Carcinoma) are a type of
Answer
  • Keratinocyte cancer
  • Melanocyte cancer

Question 13

Question
Which type of keratinocyte cancer is the most common skin cancer?
Answer
  • BCC - Basal Cell Carcinoma
  • SCC - Squamous Cell Carcinoma
  • Melanoma

Question 14

Question
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.
Answer
  • BCC - Basal Cell Carcinoma
  • SCC - Squamous Cell Carcinoma
  • Melanoma
  • BCC - Basal Cell Carcinoma
  • SCC - Squamous Cell Carcinoma
  • Melanoma
  • BCC - Basal Cell Carcinoma
  • SCC - Squamous Cell Carcinoma
  • Melanoma

Question 15

Question
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?
Answer
  • 1 in 2
  • 1 in 4
  • 1 in 8
  • 1 in 16
  • 1 in 32
  • 1 in 64

Question 16

Question
In regard to sunscreen, what does SPF stand for? [blank_start]_____[blank_end]
Answer
  • Sun Protection Factor

Question 17

Question
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]
Answer
  • Medical
  • Melanoma
  • Mesenchymal
  • Minimal
  • Effective
  • Elevated
  • Epithelial
  • Erythemal
  • Damage
  • Distance
  • Dose
  • Drug

Question 18

Question
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?
Answer
  • SPF 10
  • SPF 15
  • SPF 30
  • SPF 300

Question 19

Question
SPF more accurately measures protection against which type of UV exposure?
Answer
  • Mainly UVA
  • Mainly UVB
  • UVA and UVB

Question 20

Question
Action spectrum is defined as "the most effective wavelengths for producing a certain response". These responses can include:
Answer
  • Sunburn, tanning etc
  • [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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