MGY250 UNIT 11 QUIZ EXAM
QUESTIONS AND ANSWERS GRADED A+
2025/2026
The One Retinoblastoma World map is an excellent resource that "aims to connect affected
families to expert care; promote evidence-based retinoblastoma treatment; and facilitate
enhanced collaboration among treatment centers." In your web browser, go to the page
http://map.1rbw.org/ (Links to an external site.) and select "Go directly to the map". How many
retinoblastoma genetic testing labs are there worldwide?
Hint: you should be able to see them on the map, but this is a lot easier if you unclick
"Retinoblastoma Treatment Centers" and "Stories"
Note: Map seems not to load in Chrome, but will load in Safari or Explorer. If you're able, use
the interactive map to explore the site. If not, see screenshots here.
Between 2 and 10
1
Between 11 and 20
Greater than 20 - ANS Between 2 and 10
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, In the absence of genetic testing for retinoblastoma, all patients with unilateral retinoblastoma
should be told (select all that apply):
They are unlikely to have children with retinoblastoma therefore it is not necessary to bring
newborns to the clinic shortly after birth
They may be at risk for second cancers later in life
Every child they have should be brought to the clinic shortly after birth to have their eyes
examined - ANS They may be at risk for second cancers later in life
Every child they have should be brought to the clinic shortly after birth to have their eyes
examined
The inheritance pattern of retinoblastoma is:
Autosomal recessive
X-linked recessive
X-linked dominant
Autosomal dominant - ANS Autosomal dominant
Retinoblastoma an important global health issue because (select all that apply):
There is a lack of guidance on genetic counselling delivery in the sociocultural context of many
low resourced settings
Most cases of retinoblastoma occur in high resourced settings
Retinoblastoma is major cause of mortality worldwide
There is a health equity gap in implementation of genetic services - ANS There is a lack of
guidance on genetic counselling delivery in the sociocultural context of many low resourced
settings
There is a health equity gap in implementation of genetic services
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS GRADED A+
2025/2026
The One Retinoblastoma World map is an excellent resource that "aims to connect affected
families to expert care; promote evidence-based retinoblastoma treatment; and facilitate
enhanced collaboration among treatment centers." In your web browser, go to the page
http://map.1rbw.org/ (Links to an external site.) and select "Go directly to the map". How many
retinoblastoma genetic testing labs are there worldwide?
Hint: you should be able to see them on the map, but this is a lot easier if you unclick
"Retinoblastoma Treatment Centers" and "Stories"
Note: Map seems not to load in Chrome, but will load in Safari or Explorer. If you're able, use
the interactive map to explore the site. If not, see screenshots here.
Between 2 and 10
1
Between 11 and 20
Greater than 20 - ANS Between 2 and 10
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, In the absence of genetic testing for retinoblastoma, all patients with unilateral retinoblastoma
should be told (select all that apply):
They are unlikely to have children with retinoblastoma therefore it is not necessary to bring
newborns to the clinic shortly after birth
They may be at risk for second cancers later in life
Every child they have should be brought to the clinic shortly after birth to have their eyes
examined - ANS They may be at risk for second cancers later in life
Every child they have should be brought to the clinic shortly after birth to have their eyes
examined
The inheritance pattern of retinoblastoma is:
Autosomal recessive
X-linked recessive
X-linked dominant
Autosomal dominant - ANS Autosomal dominant
Retinoblastoma an important global health issue because (select all that apply):
There is a lack of guidance on genetic counselling delivery in the sociocultural context of many
low resourced settings
Most cases of retinoblastoma occur in high resourced settings
Retinoblastoma is major cause of mortality worldwide
There is a health equity gap in implementation of genetic services - ANS There is a lack of
guidance on genetic counselling delivery in the sociocultural context of many low resourced
settings
There is a health equity gap in implementation of genetic services
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
