Question 1

A patient is diagnosed with a solid tumor that originated in the epithelial cells lining the lungs. According to cancer classification by tissue, which type of cancer does this most likely represent?

Accepted Answer

Carcinoma

Question 2

Which of the following best describes the origin of sarcomas?

Accepted Answer

Connective and fibrous tissues such as bone, cartilage, and muscle

Question 3

A 55-year-old male is found to have a tumor in his lymph nodes. The tumor is not solid and is classified as a cancer of the lymphatic system. Which type of cancer is this?

Accepted Answer

Lymphoma

Question 4

Which of the following is NOT a common risk factor for lung cancer?

Accepted Answer

Obesity

Question 5

A patient presents with abnormal growth of cells in bone marrow, leading to high numbers of immature white blood cells in the blood. Which type of cancer is most likely?

Accepted Answer

Leukemia

Question 6

Which of the following diagnostic methods is most likely to be used for detecting breast cancer in its early stages?

Accepted Answer

Mammography

Question 7

A 60-year-old man is advised to undergo a PSA blood test as part of his routine health check. This test is primarily used to screen for which type of cancer?

Accepted Answer

Prostate cancer

Question 8

Which of the following statements about colorectal cancer is INCORRECT?

Accepted Answer

Having more polyps does not increase the risk of colorectal cancer.

Question 9

Which of the following is NOT a cancer treatment method?

Accepted Answer

Administration of HPV vaccine

Question 10

A patient is found to have a solid tumor in the muscle tissue of his leg. According to the cancer types by tissue, which type of cancer is this most likely to be?

Accepted Answer

Sarcoma

Question 11

Which of the following is a common treatment for early-stage lung cancer?

Accepted Answer

Surgery

Question 12

A 45-year-old woman is at increased risk for breast cancer due to a mutation in the BRCA1 gene. Which of the following best explains why genetic testing is important in her case?

Accepted Answer

It can identify inherited risk factors for breast cancer.

Question 13

Which of the following statements about cancer classification is correct?

Accepted Answer

Cancers can be classified by both the tissue of origin and the primary site.

Question 14

A patient with a family history of colorectal cancer is advised to undergo a colonoscopy. What is the primary purpose of this procedure?

Accepted Answer

To screen for and detect colorectal cancer early

Question 15

Which of the following is a plausible reason why chemotherapy is used in cancer treatment?

Accepted Answer

It uses drugs to kill rapidly dividing cells, including cancer cells.

Question 16

A patient is diagnosed with acute lymphocytic leukemia (ALL). Which tissue is primarily affected in this type of cancer?

Accepted Answer

Blood-forming tissues such as bone marrow

Question 17

Which of the following is a risk factor for prostate cancer?

Accepted Answer

Age

Question 18

A patient with a solid tumor in the skin is most likely to have which type of cancer?

Accepted Answer

Carcinoma

Question 19

Which of the following best explains why cancers are often named after the organ where they originate?

Accepted Answer

Because the primary site is important for diagnosis and prognosis

Question 20

A patient is found to have cancer in the lymph nodes, and the tumor is not solid. Which of the following best describes the tumor type and example?

Accepted Answer

Lymphoma; Hodgkin's lymphoma

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