Why is mercuric chloride fixative not widely used in histology laboratory? a)Causes shrinkage and is a slow fixative b)Causes mercuric chloride pigment c)Tissues fixed using mercury can only be demonstrated using an electron microscope d)Its explosive e)It can only be used to fix bones which will be de-calcified using x-ray technique March 1, 2016 Read More »
Koilocytes are more prominent in a)Normal cells b)Parasite invaded cells c)Human papiloma virus invaded cells d)Treponema palidum invaded cells March 1, 2016 Read More »
During Orange G 6 stains preparation the following reagents are required a)Ethyl alcohol b)Phosphotungstic acid c)Light green d)Bismaret brown e)Lithium carbonate March 1, 2016 Read More »
How are floaters avoided when performing papicolon staining technique? a)By filtering and changing xylene regularly b)By staining gynaecological smears differently from non gynaecological c)By avoiding bluing solution d)By dipping five times or less during dehydration and clearing e)By lowering alcohol levels to ensure not all the parts of the smear are stained March 1, 2016 Read More »
Boiling point of CH3 is 61.70 C . Entropy of vaporization is 31.4 kJ/mol. Calculate entropy of vaporization. March 1, 2016 Read More »
wo moles of ammonia gas are enclosed in a five litre container at 270C. Calculate the pressure exerted b the gas assuming that : a) the gas behaves like an ideal gas March 1, 2016 Read More »
The role of centrioles in a human cell includes: a)Digestive and delivery system of the cell b)Storage of supplies within the cell c)Protection of the cell d)Division of the cell during mitosis e)Carries nutritional value of the cell March 1, 2016 Read More »
During metaphase: a)Nuclear membranes are formed and chromatin dissolves into new nucleus b)Cytoplasmic membranes become elongated and constrict c)Nuclear membrane disappears and centrioles arrange themselves at the opposite poles of the cell. d)Two daughter cells are formed e)The two chromatids of the chromatin start to repel each other forcing chromosomes to separate March 1, 2016 Read More »
Boiling point of CH3 is 61.70 C . Entropy of vaporization is 31.4 kJ/mol. Calculate entropy of vaporization March 1, 2016 Read More »