Chapter 1 Testing
1, many people smoke and drink, and they are healthy, which shows that smoking and drinking may not affect their health.
Correct answer: X.
2. Under the influence of external pathogenic factors, the human body first relieves stress through adaptation, and only when it can't adapt can it cause harm.
Correct answer:?
3. The universality of tumors means that tumors can occur in all races and all ages.
Correct answer:?
4. Whether it affects people's health depends on the following factors:
First, the nature of influencing factors
B. Living conditions
C, people's adaptability
D, economic conditions
Correct answer: AC
5. The following unhealthy lifestyles are closely related to tumorigenesis.
First, obesity
B, smoking occasionally
C, lack of exercise
D, frequent exposure
Hepatitis E virus infection
Correct answer: ACDE
Chapter II Testing
1, cancer is one of the main diseases that threaten human health in the world. The following statement about cancer is wrong ().
A, cancer cells can grow rapidly without the control of the body, forming a lump.
Cancer is a terminal disease.
It takes a long time for cancer cells to develop into cancer.
D. Cancer is a malignant tumor.
Correct answer: BC
2. What are the ways of cancer metastasis? ( )
First, blood transfer
B, lymphatic metastasis
C, planting transfer
D, cancer cells infiltrate the surrounding tissues.
Correct answer: ABC
3. Which of the following are the symptoms of cancer? ()
First, abnormal mass
painful
C, lung metastasis.
D, bleeding and necrosis
Correct answer: AB
4. Which of the following people are prone to cancer?
A. People with cancer patients at home
B, middle-aged and elderly people
C, occupational susceptible population
D, patients with precancerous lesions
Correct answer: ABCD
5, the highest incidence of cancer is ()
First, tissue proliferation is the most active.
B, hyperplasia inactive tissue
C, non-proliferative tissue
tooth
Correct answer: a
6, carcinogenic factors are most likely to act on the cell cycle ()
I. G0 period
B, G 1 period
C and s stages
D and G2 phases
E and m stages
Correct answer: CE
7. Proliferation is the most important basis for cancer.
Correct answer:?
8. As long as a cell becomes cancerous, it is cancer. ()
Correct answer: X.
9. Carcinogens act on human cells, which mainly leads to the rapid growth of normal cells. ()
Correct answer: X.
10, the same living environment, the most likely cause of someone's cancer is ()
A, hit by the second mutation
Because of physical weakness
C, do not eat breakfast
D, obesity
Correct answer: a
1 1, gene mutation means ()
1. The chemical structure of DNA has changed.
B, one chromosome is missing
C, one more chromosome.
D, proto-oncogene activation
E. Inactivation of tumor suppressor genes
Correct answer: ABC
12. Where will the cell mutation occur?
I. Germ cells
B. protein
C, somatic cells
D, endocrine system
neuroregulation