1. Carcinogens are caused by …
(A) ionic radiation
(B) naturally
(C) tar in tobacco
(D) none of these
2. In a community, a number of cells are regulated by…
(A) rate of cell death and cell division
(B) number of deaths
(C) number of divisions
(D) all of these
3. Tumours are classified by …
(A) damaged cell weight
(B) ability to spread
(C) tissue or cell origin
(D) none of these
4. Which enzymes convert pro-carcinogens into ultimate carcinogens?
(A) acetylases
(B) cytochrome P 650
(C) hydrolases
(D) cytochrome P 450 enzyme system
5. Nociceptors are found in …
(A) found throughout in the body
(B) predominant in females
(C) brain
(D) stomach
6. Which of the following are considered as cancer-causing agents?
(A) mutagens
(B) carcinogens
(C) onogens
(D) topogens
7. Aflatoxin is a …
(A) none of these
(B) man-made carcinogen
(C) synthesized carcinogen
(D) natural carcinogen
8. Uncontrolled mitosis results in …
(A) diabetes
(B) TB
(C) ulcer
(D) cancer
9. TNM stands for …
(A) tumour, node, metastases
(B) tumour, neuron, metastases
(C) tumour, nerve, metastases
(D) none of these
10. Chemicals detected in the blood are …
(A) cancer agents
(B) none of these
(C) diabetes agents
(D) tumour markers
11. EGF stands for …
(A) epidemic gender factor
(B) epidemene growth function
(C) epidermal growth factor
(D) none of these
12. Which of the following is the characteristic of a malignant tumour?
(A) Grows without need
(B) undergoes metastasis
(C) develops a blood supply
(D) Cells divide an unlimited number of times
