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Human Diseases

Description: 20
Number of Questions: 15
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Tags: 20 Infectious Diseases Infectious and Non Infectious Diseases
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___________ is a foreign material triggers antibody formation. They are proteins or polysaccharides.

  1. Humoral immune system

  2. Antibody

  3. Antigen

  4. Cell mediated immune system

  5. Infection

Show answer
Correct Option: C
Explanation:

Antigen is a foreign material triggers antibody formation. They are proteins or polysaccharides.

Which of the following is not a symptom of AIDS?

  1. Swollen lymph nodes

  2. Weight gain

  3. Night sweats

  4. Weight loss

  5. Fever

Show answer
Correct Option: B
Explanation:

It is not a symptom of AIDS.

What is the rate of production of anti-bodies by B-cells?

  1. 4000 molecules/second

  2. 4500 molecules/second

  3. 3000 molecules/second

  4. 2000 molecules/second

  5. 1000 molecules/second

Show answer
Correct Option: D
Explanation:

The rate of production of anti-bodies by B-cells is 2000 molecules / second.

Which of the following is not a symptom of Dengue?

  1. Chills and headache

  2. Painful aching in legs and joints

  3. Backache

  4. Eyes become reddned

  5. Gland in the neck and groin are never swollen.

Show answer
Correct Option: E
Explanation:

It is a not symptom of Dengue. Gland in the neck and groin are often swollen in Dengue.

Plasmodium vivax is the pathogen of which disease?

  1. Amoebiasis

  2. Mild tertian malaria

  3. Benign malaria

  4. Quartan malaria

  5. Pernicious malaria

Show answer
Correct Option: C
Explanation:

Plasmodium vivax is the pathogen of Benign malaria.

Contaminated food and water is not a mode of infection of which of the following diseases?

  1. Typhoid

  2. Ascariasis

  3. Amoebiasis

  4. Pneumonia

  5. Diarrhoea

Show answer
Correct Option: D
Explanation:

Contaminated food and water is not a mode of infection of Pneumonia. It is spread from person to person via respiratory droplets released when a person coughs, sneezes.

Chemicals, which control allergic reactions are ____________.

  1. interferons

  2. antihistamines

  3. lysozyme

  4. immunosuppressants

  5. lymphocytes

Show answer
Correct Option: B
Explanation:

Chemicals, which control allergic reactions are Antihistamines.

Who discovered passive immunity?

  1. Von Behring

  2. Edward Jenner

  3. Louis Pasteur

  4. Salk

  5. John F Enders

Show answer
Correct Option: A
Explanation:

Von Behring discovered passive immunity.

Which of the following is not a correct pair?

  1. Iron-Anaemia

  2. Nicotinic acid-Pellagra

  3. Vitamin D-Rickets

  4. Osteoarthritis-Arthritis

  5. Vitamin A-T.B.

Show answer
Correct Option: E
Explanation:

Deficiency of Vitamin A does not cause TB. Hence, it is not a correct pair.

What is the incubation period of corynebacterium diptheriae?

  1. 12 hours

  2. 1 week

  3. 48 hours

  4. 2 weeks

  5. 24 hours

Show answer
Correct Option: E
Explanation:

The incubation period of corynebacterium diptheriae is 24 hours.

Which of the following sentences is incorrect?

  1. Disease refers to any condition that impairs normal function, and is therefore associated with dysfunction of normal homeostasis.

  2. A Disorder is a functional abnormality or disturbance.

  3. Pre-disease is a diseased state, disability, or poor health due to any cause.

  4. A syndrome is the association of several medical signs, symptoms, and or other characteristics that often occur together.

  5. An organic disease is one caused by a physical or physiological change to some tissue or organ of the body.

Show answer
Correct Option: C
Explanation:

Morbidity is a diseased state, disability, or poor health due to any cause.

Which of the following is not a factor, which influences any infection?

  1. Invasiveness

  2. Tissue affinity

  3. Hypersensitivity

  4. Infective dose

  5. Portal of entry

Show answer
Correct Option: A
Explanation:

It is not a factor which influences infection. The degree of virulence depends upon Invasiveness.

Which of the following is not a direct mode of transmission of diseases?

  1. Direct contact

  2. Droplet infection

  3. Contact with water

  4. Being bit by an infected animal

  5. Trans-placental transmission

Show answer
Correct Option: C
Explanation:

Contact with water is not a direct mode of transmission of diseases. Consumption of infected water causes transmission of diseases.

What prevents immune system from attacking body's own cells?

  1. Stem cells

  2. Complement system

  3. Suppressor cells

  4. Tears

  5. Saliva

Show answer
Correct Option: C
Explanation:

Suppressor cells prevents immune system from attacking body's own cells.

H1N1 influenza virus is the causative organism of which disease?

  1. Typhoid

  2. Swine flu

  3. Common cold

  4. Influenza

  5. Pneumonia

Show answer
Correct Option: B
Explanation:

H1N1 influenza virus is the causative organism of Swine flu.

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