Which one of the following is the correct statement regarding the particular psychotropic

drug specified?

1. Hashish causes alter thought perceptions and hallucinations

2. Opium stimulates nervous system and causes hallucinations

3. Morphine leads to delusions and disturbed emotions

4. Barbiturates cause relaxation and temporary euphoria

To which type of barriers under innate immunity, do the saliva in the mouth and the tears

from the eyes, belong?

1. Cytokine barriers 

2. Cellular barriers

3. Physiological barriers

4. Physical barriers

Increased asthmatic attacks in certain seasons are related to :

1. hot and humid environment 

2. eating fruits preserved in tin containers

3. inhalation of seasonal pollen

4. low temperature

Mast cells secrete:

1. hippurin 

2. myoglobin 

3. histamine 

4. Haemoglobin 

Antibodies in our body are complex:

1. lipoproteins 

2. steroids

3. prostaglandins

4. glycoproteins

Both sickle cell anaemia and Huntington's chorea are

1. bacteria-related diseases

2. congenital disorders

3. pollutant-induced disorders

4. virus-related diseases

A foreign body giant cell is formed by

1. osteoclasts

2. mast cells

3. plasma cells

4. histiocytes

The so-called tertain periodicity of Plasmodium vivax refers to the 

1. pre-erythrocytic phase 

2. post erythrocytic phase 

3. erythrocytic phase 

4. sexual phase.

Hybridoma is a synonym of

1. polyclonal antibody

2. monoclonal antibody

3. polymerase chain reaction

4. fluorescent in situ hybridization

Communicability of disease depends upon the availability of a 

1. pathogen 

2. parasitic

3. healthy person 

4. susceptible person