Wernicke’s Encephalopathy is a severe complication of chronic alcoholism. This is caused due to deficiency of:
1. Thiamine
2. Cyanocobalamin
3. Serotonin
4. Dopamine

Identify the incorrect statement regarding dengue:
1. Dengue fever virus (DENV) is an RNA arbo virus.
2. Dengue can also be transmitted via infected blood products and through organ donation.
3. The virus has five types; infection with one type usually gives lifelong immunity to all types.
4. The disease is also known by the common name ‘break bone fever’.

The following are the common highly Active Anti Reteroviral Therapy (HAART) drugs available for HIV infection treatment. Identify the one that is not correctly matched with its symbol:
1. Zidovudine : AZT
2. Didanosine : DDS
3. Zalcibactine : ddC
4. Stavudine : d4T

Consider the given two statements:
I. Post exposure vaccinations with antibodies in rabies are typically highly effective.
II. Vaccination after exposure is neither a treatment nor a cure for rabies; it can only prevent the development of rabies in a person if given before the virus reaches the brain.

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

V[D]J recombination explains:
1. the ability of the immune system to distinguish between self and non self
2. cooperativity between innate and adaptive immune responses
3. the genetic principle for generation of antibody diversity
4. hyperresponse of the immune system to allergens

Identify the correct statements regarding MHC I seen on the cells of vertebrate bodies:
I. They are found on the cell surface of all nucleated cells in the bodies of vertebrates, on platelets, but not on red blood cells.
II. The function of the class I MHC is to display intracellular proteins to cytotoxic T cells (CTLs).
III. Class I MHC itself can serve as an inhibitory ligand for natural killer cells (NKs).

1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III

A drug, sometimes used to overcome the problem of alcoholism, is:
1. Flumazenil
2. Disulfiram
3. Desferroxime
4. Aspirin

The “Window Period” is especially important in the epidemiology of HIV infection as:
1. the individual is normally asymptomatic during this stage
2. the load of virus in the body is the heaviest
3. this is the only infective stage for HIV transmission
4. HIV transmission is easiest during this stage

Aside from the irritant fibre of ..................., all carcinogens are thought to be ....................... .
1. arsenic, mutagenic
2. asbestos, virulent
3. asbestos, mutagenic
4. arsenic, virulent

Dermataphytosis [ringworm] of finger nails, toe nails and nail bed is called as:
1. Tinea pedis
2. Tinea unguium
3. Tinea corporis
4. Tinea cruris