Human Health and Disease

The infectious stage of Plasmodium that enters the human body is

1. Trophozoites
2. Sporozoites
3. Male gametocytes
4. Female gametocytes

Identify the wrong statement with reference to immunity

1. Active immunity is quick and gives full response.
2. When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called “Active immunity”.
3. Foetus receives some antibodies from mother, it is an example for passive immunity.
4. When ready-made antibodies are directly given, it is called “Passive immunity”

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.

1. Salmonella typhi/ Anthrone test
2. Salmonella typhi/ Widal test
3. Plasmodium vivax/ UTI test
4. Streptococcus pneumoniae/ Widal test

Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the newborn infants because it contains :

1. Macrophages
2. Immunoglobulin A
3. Natural killer cells
4. Monocytes

Drug called ‘Heroin’ is synthesized by :

1. glycosylation of morphine
2. nitration of morphine
3. methylation of morphine
4. acetylation of morphine

Which of the following immune responses is responsible for rejection of kidney graft?

1. Inflammatory immune response
2. Cell-mediated immune response
3. Auto-immune response
4. Humoral immune response

Which part of poppy plant is used to obtain the drug “smack”?

1. Flowers
2. Latex
3. Roots
4. Leaves

Which of the following is not an autoimmune disease?

1. Psoriasis
2. Rheumatoid arthritis
3. Alzheimer’s disease
4. Vitiligo

In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels?

1. Elephantiasis
2. Ascariasis
3. Ringworm disease
4. Amoebiasis

Transplantation of tissues/ organs fails often due to non-acceptance by the patient's body. Which type of immune response is responsible for such rejections ?

1. Cell-mediated immune response
2. Physiological immune response
3. Hormonal immune response
4. Autoimmune response