ONS/ONCC Certification (Latest 2025/2026) Complete
Solutions
Cancer Epidemiology - Correct answer-Study of the distribution and determinants of cancer in
population groups
Global Cancer Statistics - Correct answer-cancer is the leading cause of disease worldwide
Cancer rate - Correct answer-suppouse to increase by 75% to 22 M new cases in 2030
Causes of cancer rate increase - Correct answer-because of increasing
tobacco use
aging population
reproductive
dietary
and hormonal risk factors
Top 5 most commonly diagnosed cancers - Correct answer-Lung (13%)
breast (11%)
colorectal (10%)
stomach (8%)
prostate (7%)
Make up 50 % of all cancer diagnosed - Correct answer-Lung
breast
colorectal
,stomach
prostate
Most common cancer in men - Correct answer-Lung cancer
Most common cancer in woman - Correct answer-Breast cancer
Cancer mortality - Correct answer-An stimated 756 M people died in 2008
Top 5 most common causes of death - Correct answer-Lung (18%)
Stomach(10%)
Liver (9%)
Colorectum (6%)
Breast (6%)
Both sexes combined - Correct answer-prostate(14.4%)
breast(14.1%)
lung (13.7%)
colorectal (8.6%)
melanoma of the skin (4.6%)
Among women top 5 (common) diagnosed cancers - Correct answer-breast (29%)
lung(14%)
colorectal (9%)
uterine(5%)
thyroid(6%)
Avoiding fresh fruits and vegetables is no longer recommended to prevent infection. Fresh fruits and
vegetables can and should be eaten as long as they are washed thoroughly. - Correct answer-The next
,thing you discuss with Mr. Rylan is neutropenia and the risk for infection that goes along with it. You
state that you will monitor his blood counts closely and that his physician may decide to use a colony-
stimulating factor to enhance his neutrophil count. You review some of the things that Mr. Rylan can do
to hopefully prevent getting an infection like good hand washing.
Although all the other answers listed can happen with rituximab, you are most concerned about the
potential for a hypersensitivity reaction since this is rituximab and it is the patient's first dose. - Correct
answer-What is the most important toxicity that you will monitor for with rituximab especially since this
is the patient's first dose of the agent?
Oncovin (vincristine) can cause neurotoxicity of the smooth muscle of the GI tract which can lead to
decreased peristalsis and paralytic ileus. Constipation, abdominal pain, and paralytic ileus can be seen
with vincristine use. - Correct answer-Which of the following medications is the likely cause of Mr.
Rylan's constipation?
Among men top 5 (common) diagnosed cancers - Correct answer-prostate (28%)
lung (14 %)
colorectal (9%)
urinary bladder(6%)
melanoma of the skin (5%)
Cancer - Correct answer-is the second leading cause of death in second to heart disease.
Women leading cause of death - Correct answer-lung (26%)
breast(14%)
colorectal (9%)
pancreas (7%)
ovary(5%)
Men leading cause of death - Correct answer-lung (28%)
, prostate(10%)
colorectal(9%)
pancreas(6%)
liver and intrahepatic bile duct (5%)
Cancer health disparities - Correct answer-adverse 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 - Correct answer-1-African American
2-whites
3-hispanic
4-asian
5-american indian
Highest incidence rate of mortality - Correct answer-1-african american
2-whites
3-american indian
4-hispanic
5-Asian
breast cancer - Correct answer-highest diagnosed (white)
highest mortality (african american)
cervical cancer - Correct answer-highest incidence (hispanic)
highest mortality (african american)
prostate cabcer - Correct answer-highest incidence and mortality (african american)
Solutions
Cancer Epidemiology - Correct answer-Study of the distribution and determinants of cancer in
population groups
Global Cancer Statistics - Correct answer-cancer is the leading cause of disease worldwide
Cancer rate - Correct answer-suppouse to increase by 75% to 22 M new cases in 2030
Causes of cancer rate increase - Correct answer-because of increasing
tobacco use
aging population
reproductive
dietary
and hormonal risk factors
Top 5 most commonly diagnosed cancers - Correct answer-Lung (13%)
breast (11%)
colorectal (10%)
stomach (8%)
prostate (7%)
Make up 50 % of all cancer diagnosed - Correct answer-Lung
breast
colorectal
,stomach
prostate
Most common cancer in men - Correct answer-Lung cancer
Most common cancer in woman - Correct answer-Breast cancer
Cancer mortality - Correct answer-An stimated 756 M people died in 2008
Top 5 most common causes of death - Correct answer-Lung (18%)
Stomach(10%)
Liver (9%)
Colorectum (6%)
Breast (6%)
Both sexes combined - Correct answer-prostate(14.4%)
breast(14.1%)
lung (13.7%)
colorectal (8.6%)
melanoma of the skin (4.6%)
Among women top 5 (common) diagnosed cancers - Correct answer-breast (29%)
lung(14%)
colorectal (9%)
uterine(5%)
thyroid(6%)
Avoiding fresh fruits and vegetables is no longer recommended to prevent infection. Fresh fruits and
vegetables can and should be eaten as long as they are washed thoroughly. - Correct answer-The next
,thing you discuss with Mr. Rylan is neutropenia and the risk for infection that goes along with it. You
state that you will monitor his blood counts closely and that his physician may decide to use a colony-
stimulating factor to enhance his neutrophil count. You review some of the things that Mr. Rylan can do
to hopefully prevent getting an infection like good hand washing.
Although all the other answers listed can happen with rituximab, you are most concerned about the
potential for a hypersensitivity reaction since this is rituximab and it is the patient's first dose. - Correct
answer-What is the most important toxicity that you will monitor for with rituximab especially since this
is the patient's first dose of the agent?
Oncovin (vincristine) can cause neurotoxicity of the smooth muscle of the GI tract which can lead to
decreased peristalsis and paralytic ileus. Constipation, abdominal pain, and paralytic ileus can be seen
with vincristine use. - Correct answer-Which of the following medications is the likely cause of Mr.
Rylan's constipation?
Among men top 5 (common) diagnosed cancers - Correct answer-prostate (28%)
lung (14 %)
colorectal (9%)
urinary bladder(6%)
melanoma of the skin (5%)
Cancer - Correct answer-is the second leading cause of death in second to heart disease.
Women leading cause of death - Correct answer-lung (26%)
breast(14%)
colorectal (9%)
pancreas (7%)
ovary(5%)
Men leading cause of death - Correct answer-lung (28%)
, prostate(10%)
colorectal(9%)
pancreas(6%)
liver and intrahepatic bile duct (5%)
Cancer health disparities - Correct answer-adverse 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 - Correct answer-1-African American
2-whites
3-hispanic
4-asian
5-american indian
Highest incidence rate of mortality - Correct answer-1-african american
2-whites
3-american indian
4-hispanic
5-Asian
breast cancer - Correct answer-highest diagnosed (white)
highest mortality (african american)
cervical cancer - Correct answer-highest incidence (hispanic)
highest mortality (african american)
prostate cabcer - Correct answer-highest incidence and mortality (african american)
