D.

AIDS patients are being fully cured cent percent with proper care and nutrition

AIDS (Acquired Immuno Deficiency Syndrome) is a viral disease of the immune system. It is caused by virus Human Immunodeficiency Virus (HIV). In AIDS patients, the virus homes on CD₄ + T -cells (helper T - lymphocytes), infecting and killing them until none are left. Without their crucial immune system cells, the body cannot mount a defence against invading bacteria or viruses. AIDS patient dies off infections that a healthy person could fight off.

B.

fungi 

Ringworm refers to fungal infections that are on the surface of the skin. Although the world is full of yeasts, moulds and fungi, only a few cause skin problems. These agents are called the dermatophytes. Some common dermatophytic fungi are Trichophyton rubrum, T. tensurans, T. interdigitale, T. mentagrophytes, Microsporum, Canis and Epidermophyton floccosum.

D.

tuberculosis

Widal test is bacterial agglutination test, originally introduced by Widal for diagnosis of typhoid fever. Widal test is based upon antigen-antibody serological interactions. Typhoid or enteric fever is caused by a Gram - negative bacterium Salmonella commonly found in the human intestine. Infection of typhoid bacteria stimulates the production of immune - specific agglutinins, which are released in blood plasma.

C.

veins

Intravenous therapy IV therapy is providing the liquid substances (or medicine) through a drip, directly into the vein. The word intravenous simply means 'within' a vein' compared with other routes of administration, the intravenous root is the fastest way to deliver fluids and medications throughout the body. Some medications, as well as blood transfusions and lethal injections, can only be given intravenously.

B.

prions

Prions have a distinct extracellular from but the extracellular form is entirely protein. The prion particle does not contain any nucleic acid.However, it is infectious and prions are known to cause a variety of diseases in animals such scrapie in sheep, bovine spongiform encephalopathy in cattle (BSE or mad cow disease' ) chronic wasting disease in deer and elk and kuru and a form a Creutz Feldt- Jakob disease (CJD) in humans. No prion diseases of plants are known.