The major histocompatibility complex is a :
1. Series of complement-enhanced reactions to antigens
2. group of antigens, coded by a family of genes, on the surface of body cells 
3. form of autoimmunity 
4. the major cause of cancer 

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Which of the following Fungi is not capable of causing ringworm infection in man?

1. Microsporum
2. Trichophyton
3. Epidermophyton
4. Trichoderma

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Opportunistic infections appear in AIDS patients when the HIV has destroyed :
1. Macrophages
2. T cytotoxic cells
3. T helper cells
4. B cells

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Proto-oncogenes are seen in :
1. Normal cells
2. Malignant cells
3. Virus infected cells 
4. Cells exposed to X-rays

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WHat is incorrect regarding opioids?
1. Their receptors are in CNS and CVS
2. They are generally taken by snorting and injection
3. They are CNS depressants 
4. They can be powerful sedatives and painkillers

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The principal psychoactive principle present in the hemp plant, Cannabis sativa, is:
1. acetyl salicylic acid
2. diacetylmorphine
3. tetrahydrocannabinol
4. lysergic acid dimethylamide

 

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DNA damage leading to neoplastic transformation can be brought about by ionizing radiations like :
1. UV rays 
2. Gamma rays 
3. Infrared waves
4. Radio waves

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The skeletal structure shown in the given diagram shows the structure of :

1. Morphine

2. Diacetyl morphine

3. Cannabinoid

4. Cocaine

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Ringworm in humans can be caused by infection with all the following except:
1. Microsporum
2. Taenia
3. Trichophyton
4. Epidermophyton

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Match each disease with its correct type of vaccine.

     Column I

     Column II

A. Tuberculosis

1. Harmless virus

B. Whooping cough    

2. Inactivated toxin

C. Diphtheria

3. Killed bacteria

D. Polio

4. Harmless bacteria

Codes:

 

A     

B     

C     

D

(1)    

2

1

3

4

(2)

3

2

4

1

(3)

4

3

2

1

(4)  

1

2

4

3

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