bio
| Front | how can the spread of hiv/aids be prevented? |
| Back | use of condomsscreening of blood for transfusionsnot sharing neeldesbottle-feeding by hiv positive mothersuse of antiretroviral drugs to prevent the development of aids |
| Front | Describe the preparation of an uncontaminated culture using aseptic technique |
| Back | Use pre-sterilised plastic petry dishes or sterilise glass petri dishes and agar gel before using with an autoclavePour the sterile agar gel into the petri dish and allow time to setSterilise the inoculating loop by passing it through a bunsen burner flameDip the inoculating loop into the solution of microorganisms and make streaks with the loop on the surface of the agar.Put the lid on the petri dish and secure it with tape. Label accordingly then turn and store upside downIncubate the culture at 25c |
| Front | what is a heart bypass surgery |
| Back | a surgery where blocked coronary arteries are replaced with section of veins from other parts of the body |