Which one of the following statements is correct with respect to AIDS?

1.	HIV can be transmitted through eating food together with an infected person.
2.	Drug addicts are the least susceptible to HIV infection.
3.	AIDS patients are being fully cured cent per cent with proper care and nutrition.
4.	The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers.

Which of the following is a pair of viral diseases?

1. Ringworm, AIDS

2. Common cold, AIDS

3. Dysentery, common cold

4. Typhoid, tuberculosis

Use of anti-histamine and steroids give a quick relief from:

A person likely to develop tetanus is immunised by administering:

1. dead germs

2. preformed antibodies

3. wide spectrum antibiotics

4. weakened germs

Which one of the following statements is correct?

The letter T, in T- lymphocyte refers to:

1. thyroid

2. thalamus

3. tonsil

4. thymus

Which one of the following is the correct statement regarding the particular psychotropic drug specified?

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?