MEDL 310: Module 12: Gross Cutting Latest(2025) Questions and Answers 100% Correct.

the laboratory accession number must be put on the - ️️requisition, specimen label, and in the patient's case information as well as on the cassette and slides what are some sources of tissues that are submitted? - ️️autopsy, surgicals, whole organs, partial organs, excised tumors or cysts, curettage, amputation, products of conception (miscarriage), biopsy why are tissues sent to the lab? - ️️for a diagnostic tool and also if required by the law (Public Health Act) exceptions of the public health act are - ️️foreskin, tonsils from children, and normal placentas how long must blocks be kept for? - ️️30 years what is the way that histology gives the specimens an accession number? - ️️S for surgical, A for autopsy. the year (17) and then the numerical system begins at number one on January 1st. EXAMPLE: S17-0001A . the gross description includes - ️️colour, consistency, texture, size, weight of the tissues marking reagents are used for two reasons - ️️marking the margins (cut edges of the specimen) and also a guide for embedding (orange dot on skins, etc) what is the size of cassettes? - ️️4 x 3 x 0.5cm in size what is the thickest size a piece of tissue can be to go in the cassette? - ️️0.3cm thick coloured cassettes are used to - ️️identify different fixatives used, different tissue sources, or STATS or urgents standard precautions PPE - ️️lab gowns, gloves, goggles, masks all unfixed tissues must be processed - ️️in the BSC with masks onif tissues with KNOWN cases of TB, hepatitis, AIDS or CJD - ️️extend the fixation time, how long should a specimen be kept for - ️️lethbridge is 8 weeks but some are 1-3 months excision biopsy - ️️removal of a small lesion needle (aspiration) biopsy - ️️hollow needle into internal organ, small tissue