ONS-ONCC Exam Questions and Answers Already Passed Latest Update 2025-2026
Cancer Epidemiology - AnswersStudy of the distribution and determinants of cancer in
population groups
Global Cancer Statistics - Answerscancer is the leading cause of disease worldwide
Cancer rate - Answerssuppouse to increase by 75% to 22 M new cases in 2030
Causes of cancer rate increase - Answersbecause of increasing
tobacco use
aging population
reproductive
dietary
and hormonal risk factors
Top 5 most commonly diagnosed cancers - AnswersLung (13%)
breast (11%)
colorectal (10%)
stomach (8%)
prostate (7%)
Make up 50 % of all cancer diagnosed - AnswersLung
breast
colorectal
stomach
prostate
Most common cancer in men - AnswersLung cancer
Most common cancer in woman - AnswersBreast cancer
Cancer mortality - AnswersAn stimated 756 M people died in 2008
Top 5 most common causes of death - AnswersLung (18%)
Stomach(10%)
,Liver (9%)
Colorectum (6%)
Breast (6%)
Both sexes combined - Answersprostate(14.4%)
breast(14.1%)
lung (13.7%)
colorectal (8.6%)
melanoma of the skin (4.6%)
Among women top 5 (common) diagnosed cancers - Answersbreast (29%)
lung(14%)
colorectal (9%)
uterine(5%)
thyroid(6%)
Among men top 5 (common) diagnosed cancers - Answersprostate (28%)
lung (14 %)
colorectal (9%)
urinary bladder(6%)
melanoma of the skin (5%)
Cancer - Answersis the second leading cause of death in second to heart disease.
Women leading cause of death - Answerslung (26%)
breast(14%)
colorectal (9%)
pancreas (7%)
ovary(5%)
Men leading cause of death - Answerslung (28%)
, prostate(10%)
colorectal(9%)
pancreas(6%)
liver and intrahepatic bile duct (5%)
Cancer health disparities - Answersadverse difference in incidence, prevalence, mortality,
survivorship, and burder of cacer or related health conditions that exist among specific
population groups in US.
Highest incidence rate of cancer - Answers1-African American
2-whites
3-hispanic
4-asian
5-american indian
Highest incidence rate of mortality - Answers1-african american
2-whites
3-american indian
4-hispanic
5-Asian
breast cancer - Answershighest diagnosed (white)
highest mortality (african american)
cervical cancer - Answershighest incidence (hispanic)
highest mortality (african american)
prostate cabcer - Answershighest incidence and mortality (african american)
lung cancer - Answershighest incidence & mortality (african america)
colorectal cancer - Answershighest incidence & mortality (african american)
liver cancer - Answershighest incidence & mortality (asian/pacific islanders)
stomach cancer - Answershighest incidence &mortality (asian/pacific islanders)
Cancer Epidemiology - AnswersStudy of the distribution and determinants of cancer in
population groups
Global Cancer Statistics - Answerscancer is the leading cause of disease worldwide
Cancer rate - Answerssuppouse to increase by 75% to 22 M new cases in 2030
Causes of cancer rate increase - Answersbecause of increasing
tobacco use
aging population
reproductive
dietary
and hormonal risk factors
Top 5 most commonly diagnosed cancers - AnswersLung (13%)
breast (11%)
colorectal (10%)
stomach (8%)
prostate (7%)
Make up 50 % of all cancer diagnosed - AnswersLung
breast
colorectal
stomach
prostate
Most common cancer in men - AnswersLung cancer
Most common cancer in woman - AnswersBreast cancer
Cancer mortality - AnswersAn stimated 756 M people died in 2008
Top 5 most common causes of death - AnswersLung (18%)
Stomach(10%)
,Liver (9%)
Colorectum (6%)
Breast (6%)
Both sexes combined - Answersprostate(14.4%)
breast(14.1%)
lung (13.7%)
colorectal (8.6%)
melanoma of the skin (4.6%)
Among women top 5 (common) diagnosed cancers - Answersbreast (29%)
lung(14%)
colorectal (9%)
uterine(5%)
thyroid(6%)
Among men top 5 (common) diagnosed cancers - Answersprostate (28%)
lung (14 %)
colorectal (9%)
urinary bladder(6%)
melanoma of the skin (5%)
Cancer - Answersis the second leading cause of death in second to heart disease.
Women leading cause of death - Answerslung (26%)
breast(14%)
colorectal (9%)
pancreas (7%)
ovary(5%)
Men leading cause of death - Answerslung (28%)
, prostate(10%)
colorectal(9%)
pancreas(6%)
liver and intrahepatic bile duct (5%)
Cancer health disparities - Answersadverse difference in incidence, prevalence, mortality,
survivorship, and burder of cacer or related health conditions that exist among specific
population groups in US.
Highest incidence rate of cancer - Answers1-African American
2-whites
3-hispanic
4-asian
5-american indian
Highest incidence rate of mortality - Answers1-african american
2-whites
3-american indian
4-hispanic
5-Asian
breast cancer - Answershighest diagnosed (white)
highest mortality (african american)
cervical cancer - Answershighest incidence (hispanic)
highest mortality (african american)
prostate cabcer - Answershighest incidence and mortality (african american)
lung cancer - Answershighest incidence & mortality (african america)
colorectal cancer - Answershighest incidence & mortality (african american)
liver cancer - Answershighest incidence & mortality (asian/pacific islanders)
stomach cancer - Answershighest incidence &mortality (asian/pacific islanders)
