Tag: diabetes mellitus

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Multiple choice zoology health and diseases diabetes mellitus lifestyle diseases non-infectious diseases

Cancer

  1. Cannot be spread from a sick person to a healthy person

  2. Can be spread from a sick person to a healthy person

  3. Affects the shall of hair

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
A healthy person cannot catch cancer from someone who has it. There is no evidence that close contact or things like touching, sharing meals, or breathing the same air can spread cancer from one person to another. Cancer cells from one person are generally unable to live in the body of another healthy person. A healthy person’s immune system recognizes foreign cells and destroys them, including cancer cells from another person.
Therefore, the correct answer is option A.
Multiple choice zoology health and diseases diabetes mellitus lifestyle diseases non-infectious diseases
Match the columns.

Column I Column II
a Palynology p Silkworms
b Oncology q Pollens
c Phycoloyg r Cancer
d Sericulture s Algae

  1. a - s, b - r, c - q, d - p

  2. a - q, b - r, c - s, d - p

  3. a - s, b - q, c - r, d - p

  4. a - r, b - q, c - s, d - p
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

  • Palynology is the study of pollen grains and other spores, especially as found in archaeological or geological deposits. Pollen extracted from such deposits may be used for studying past climates and environments by identifying plants which are growing in a particular environment and climate.
  • Oncology is a branch of medicine that deals with the prevention, diagnosis, and treatment of cancer. Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.
  • Phycology or algology is a branch of life science and often is regarded as a subdiscipline of botany which involves the scientific study of algae. Algae are important as primary producers in aquatic ecosystems.
  • Sericulture or silk farming is the cultivation of silkworms to produce silk.  Although there are several commercial species of silkworms, Bombyx mori (the caterpillar of the domesticated silk moth) is the most widely used and intensively studied silkworm.
So, the correct answer is 'B'.

Multiple choice zoology health and diseases diabetes mellitus lifestyle diseases non-infectious diseases

Oncogenes were discovered by

  1. S.B. Prussiner

  2. F.P. Rous

  3. A. Fleming

  4. J.M. Bishop and H.E. Varmus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

An oncogene is a gene that has the potential to cause cancer. In tumor cells, oncogenes were first discovered in certain retroviruses and were identified as cancer-causing agents in many animals. In the mid 1970s, the American microbiologists, John Michael Bishop and Harold Varmus tested the theory that healthy body cells contain dormant viral oncogenes that, when triggered, cause cancer. 
Thus, the correct answer is option (D), 'J.M. Bishop and H.E. Vermus'.

Multiple choice zoology health and diseases diabetes mellitus lifestyle diseases non-infectious diseases

.............. is/are the characteristics of cancer cells

  1. Uncontrolled growth

  2. Invasion of local tissue

  3. Spreading to other body parts

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Cancer cells rapidly undergo mitosis. It usually spreads through the blood or the lymph system. It is mainly caused due to the mutagens which cause a sudden heritable change in the DNA content which leads to fatal abnormalities. It can be easily damaged by the radiation. An oncogene is a gene that has the potential to cause cancer. In tumour cells, they are often mutated or expressed at high levels.
So, the correct answer is option D.
Multiple choice zoology health and diseases diabetes mellitus lifestyle diseases non-infectious diseases

The common weed Catharanthus roseus (=Vinca rosea) is source of 

  1. Hay fever

  2. Two carcinogens -vincristin and vinblastin

  3. Two anticancer drugs -vincrinstin and vinblastin

  4. Skin rashes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vinca  rosea is a native and endemic ornamental and medicinal plant, o source for the anticancer drugs vincristine and vinblastine.

Correct answer-C

Multiple choice zoology health and diseases diabetes mellitus lifestyle diseases non-infectious diseases

Some protection is provided against carcinogens by

  1. Penicilic acid

  2. Afflatoxin

  3. Streptomycin

  4. Tocopherol / Vitamin E
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Vitamin E is a group of eight fat-soluble compounds that include four tocopherols and four tocotrienols. It is estimated that vitamin E provides protection against carcinogens but the mechanism is not clearly understood. Gamma-tocotrienol, a cofactor found in natural vitamin E preparations, may decrease prostate tumour formation.

So, the correct answer is 'Tocopherol/ Vitamin E'.

Multiple choice zoology health and diseases diabetes mellitus lifestyle diseases non-infectious diseases

Cancer is a

  1. Air borne

  2. Viral disease

  3. Environmental disorder

  4. Cellular disease
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Cancer is a group of diseases involving abnormal and rapid cell growth with the potential to invade or spread to other parts of the body. Signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss and a change in bowel movements. Many cancers can be prevented by not smoking, maintaining a healthy weight, not drinking too much alcohol, eating plenty of vegetables, fruits and whole grains, vaccination against certain infectious diseases.

So, the correct answer is 'Cellular disease'.

Multiple choice zoology health and diseases diabetes mellitus lifestyle diseases non-infectious diseases

Which of the following statements is not true for cancer cells in relation to mutations?

  1. Mutations destroy telomerase inhibitor

  2. Mutations inactivate the cell control

  3. Mutations inhibit production of telomerase

  4. Mutations in proto-oncogenes accelerate the cell cycle
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The ability to maintain functional telomeres may be one mechanism that allows cancer cells to grow in vitro for decades. Telomerase activity is necessary to preserve many cancer types and is inactive in somatic cells, creating the possibility that telomerase inhibition could selectively repress cancer cell growth with minimal side effects. If a drug or mutation can inhibit telomerase in cancer cells, the telomeres of successive generations will progressively shorten, limiting tumor growth.


So the correct option is 'Mutations inhibit the production of telomerase'.