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 the 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

HIV that causes AIDS first starts destroying:

1. B-lymphocytes

2. leucocytes

3. thrombocytes

4. helper T-lymphocytes

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

1. Cell-mediated immune response

2. Auto-immune response

3. Humoral immune response

4. Inflammatory immune response

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

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

1. Salmonella typhi/Widal test

2. Plasmodium vivax/UTI test

3. Streptococcus pneumoniae/Widal test

4. Salmonella typhi/Anthrone test

The drug called 'Heroin' is synthesized by:

The letter T, in T- lymphocyte refers to:

1. thyroid

2. thalamus

3. tonsil

4. thymus

Which one of the following statements is correct?

A person likely to develop tetanus is immunised by administering:

1. dead germs

2. preformed antibodies

3. wide spectrum antibiotics

4. weakened germs