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Recent questions tagged human health and diseases

(i) How and at what stage does Plasmodium enter into a human body ? <br> (ii) Why does the victim show symptoms of high fever?<br> (iii)With the help of a flow chart only, show the stages of asexual reproduction in the life cycle of the parasite in the infected human.

asked Apr 22, 2019 by priyanka.clay6

1 answer

The immune system of a person is supressed. He was found positive for a pathogen in the diagnostic test ELISA. <br> a. Name the disease, the patient is suffering from. <br> b. Which pathogen is identified by ELISA test? <br> c. Which cells of the body are attacked by the pathogen ? <br> d. Suggest preventive measure of the infection.

asked Apr 22, 2019 by priyanka.clay6

1 answer

The pathogen of a disease depends on RBCs of human for growth and reproduction. The person with this pathogen suffers with chill and high fever. <br> a. Identify the disease. <br> b. Name the pathogen. <br> c. What is the cause of fever ? <br> d. Represent the life cycle of the pathogen diagrammatically.

asked Apr 22, 2019 by priyanka.clay6

1 answer

Answer the following with respect to Cancer. <br> a. How does a cancerous cell differ from a normal cell. <br> b. Benign tumour is less dangerous than malignant tumour. Why ? <br> c. Describe causes of cancer. <br> d. Mention two methods of treatment of the disease.

asked Apr 22, 2019 by priyanka.clay6

1 answer

Describe the asexual and sexual phases of life cycle of Plasmodium that causes malaria in humans.

asked Apr 22, 2019 by priyanka.clay6

1 answer

Malarial parasite 'Plasmodium' completes its life cycle in two hosts. Draw its complete life cycle and explain various stages it follows throughout its life.

asked Apr 22, 2019 by priyanka.clay6

1 answer

A person claimed that he has seen sounds, heard colours and smelt light. <br> a. What could be the possible reason ? <br> b. Name two chemicals responsible for this condition. <br> c. Mention any one source for these chemicals.

asked Apr 22, 2019 by priyanka.clay6

1 answer

A patient has lost his immunity. <br> a. Name the disease associated with it. <br> b. Name the confirmatory test to diagnose the disease. <br> c. Why did he lose his immunity?

asked Apr 22, 2019 by priyanka.clay6

1 answer

Your classmate complains of headache and cough to the doctor. The doctor confirms that he is suffering from pneumonia and not just common cold. How did the doctor reach such a conclusion? Mention any two precautions to be followed to prevent the spread of this disease.

asked Apr 16, 2019 by priyanka.clay6

1 answer

Name the type of immunity that is present at the time of birth in humans. Explain any two ways by which it is accomplished.

asked Apr 14, 2019 by priyanka.clay6

1 answer

A person is suffering from ringworm disease. Mention the pathogen and the part of the human body affected. Give two symptoms of the disease along with two modes of transmission.

asked Apr 14, 2019 by priyanka.clay6

1 answer

A person is suffering from Ascariasis. Mention the pathogen causing the disease and an organ of the body affected, three symptoms and one mode of transmission of the disease.

asked Apr 14, 2019 by priyanka.clay6

1 answer

Explain the role of the following in providing defence against infection in human body : <br> a. Histamine <br> b. Interferons <br> c. B – cells.

asked Apr 14, 2019 by priyanka.clay6

1 answer

(a) Name the stage of Plasmodium that gains entry into the human body. <br> (b) Trace the stages of Plasmodium in the body of female Anopheles after its entry. <br> (c) Explain the cause of periodic recurrence of chill and high fever during malarial attack in humans.

asked Apr 14, 2019 by priyanka.clay6

1 answer

Why lymph nodes and bone marrow are called lymphoid organs? Explain the functions of each of them.

asked Apr 14, 2019 by priyanka.clay6

1 answer

Name the stage of Plasmodium that is transmitted to human body by the vector. <br> Describe the life cycle of the parasite in humans.

asked Apr 14, 2019 by priyanka.clay6

1 answer

Name the cells HIV attacks first when it gains entry into a human body. How does this virus replicate further to cause immunodeficiency in the body? <br> OR <br> A woman has tested positive for AIDS. Name the pathogen that infected her. How does the pathogen weaken her immune system?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Name the different types of cells that are responsible for producing the acquired immune response in a human body. How do these cells respond when a pathogen enters the body?

asked Apr 14, 2019 by priyanka.clay6

1 answer

A patient showed symptoms of sustained high fever, stomach pain and constipation, but no blood clot in stools. Name the disease and its pathogen. Write the diagnostic test for the disease. How does the disease get transmitted?

asked Apr 14, 2019 by priyanka.clay6

1 answer

How does a vaccine for a particular disease immunise the human body against that disease?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Write the events that take place when a vaccine for any disease is introduced into the human body.

asked Apr 14, 2019 by priyanka.clay6

1 answer

A person suffers from dry, scaly lesions on his skin, nails and scalp which is accompanied by intense itching. <br> i. What is the disease he is suffering from ? <br> ii. How would he have contracted the disease?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Classify the following drugs into their respective groups <br> Smack, Hashish, Heroin and Charas

asked Apr 14, 2019 by priyanka.clay6

1 answer

Complete the following. <br> a. TB : Airborne :: Malaria : --------- <br> b. Colostrum : Passive immunity :: Vaccine : -----------

asked Apr 14, 2019 by priyanka.clay6

1 answer

Why should one take an immuno suppressants agent all through his life after an organ transplantation?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Chewing of Tobacco causes increase in blood pressure. Justify.

asked Apr 14, 2019 by priyanka.clay6

1 answer

Why do sports persons often fall victims to Cocaine addiction?

asked Apr 14, 2019 by priyanka.clay6

1 answer

A person suffering from Elephantiasis has an abnormally increased swelling in his lower limbs. What could be the reason for the swelling?

asked Apr 14, 2019 by priyanka.clay6

1 answer

What would happen to the immune system, if thymus gland is removed from the body of a person?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Given below are the pathogens and the diseases caused by them. Which out of these pairs is not correct matching pair and why ? <br> a. Wuchereria : Filariasis <br> b. Microsporum : Ringworm <br> c. Salmonella : Common Cold <br> d. Plasmodium : Malaria

asked Apr 14, 2019 by priyanka.clay6

1 answer

A person has developed allergic reactions like sneezing, watery eyes, running nose and difficulty in breathing. What could be the reason for these symptoms? <br> How can it be controlled?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Why do children of metro cities of India suffer from allergies and asthma?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Name the missing organisms/ diseases in the table given below.

asked Apr 14, 2019 by priyanka.clay6

1 answer

A group of viruses infect only nose and the respiratory passage but not the lungs. Mention the disease and its causative organism.

asked Apr 14, 2019 by priyanka.clay6

1 answer

What is the role of histamines in inflammatory response? Name few drugs which reduces the symptoms of allergy.

asked Apr 14, 2019 by priyanka.clay6

1 answer

What is the role of lymph nodes in our immune response ?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Where are T cells and B cells formed? How do they differ from each other?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Name the disease that is caused due to abnormal increase in Lymphocytes of blood.

asked Apr 14, 2019 by priyanka.clay6

1 answer

Which day is observed as World AIDS Day?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Expand NACO

asked Apr 14, 2019 by priyanka.clay6

1 answer

Against which diseases does the MMR vaccine give protection ?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Why is it organ transplantation always done between very close relatives?

asked Apr 14, 2019 by priyanka.clay6

1 answer

All human beings have Proto oncogenes. But all of them do not suffer from cancer. Why?

asked Apr 14, 2019 by priyanka.clay6

1 answer

Why is secondary immune response more intense than the primary immune response in humans.

asked Apr 14, 2019 by priyanka.clay6

1 answer

It was diagnosed by a specialist that the immune system of the body of a patient has been suppressed. Name the disease the patient is suffering from and its causative agent.

asked Apr 14, 2019 by priyanka.clay6

1 answer

How do virus-infected cells provide innate immunity to healthy cells?

asked Apr 14, 2019 by priyanka.clay6

1 answer

What causes swelling of the lower limbs in patients suffering from filariasis?

asked Apr 14, 2019 by priyanka.clay6

1 answer

What role do macrophages play in providing immunity to humans ?

asked Apr 14, 2019 by priyanka.clay6

1 answer

What type of virus causes AIDS? Name its genetic material.

asked Apr 14, 2019 by priyanka.clay6

1 answer

Some allergens trigger sneezing and wheezing in human beings. What causes this type of response by the body?

asked Apr 14, 2019 by priyanka.clay6

1 answer

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