MMED1007 EXAM WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS LATEST ALREADY
GRADED A+( MOST RECENTLY!!)
Acuity - ANSWER-the ability to discriminate two objects that are close together (25 micrometers)
Tissue processing - ANSWER-- Fix
- Wash out fixative
- Dehydrate
- Wax
- Cut (microtome)
- Mount
- Rehydrate
- Stain
- Dehydrate
Eosin - ANSWER-Acidic dye, stains pink, binds to basic groups like proteins, cytoplasmic
filaments and extracellular fibres
Haematoxylin - ANSWER-basic dye, stains blue, binds to acid groups, like DNA and RNA
PAS stain - ANSWER-stains carbohydrates (basement membranes)
Pericytes - ANSWER-help stabilize capillary walls and control permeability
Myofibroblasts - ANSWER-fibroblasts containing contractile fibers that are the mechanism of
wound contraction
myoepithelial cells - ANSWER-Squeeze apocrine gland secretions onto skin surface
,In response to hormonal or nervous signal
striated muscle - ANSWER-A muscle that appears banded; also called skeletal muscle, under
voluntary control
Layers of Striated muscle - ANSWER-- myofibril
- Muscle fibre
- Endomysium
- Fascicle
- Perimysium
- muscle
- Epimysium
striations of skeletal muscle - ANSWER-Actin (thin)
Myosin (thick)
Made of repeating series of DARK ("A" bands) + LIGHT ("I" bands).
smooth muscle - ANSWER-simple cigar shaped cells that are arranged in bundles
smooth muscle is found around most organs
innervated by motor neurones of autonomic motor system
cardiac muscle - ANSWER-Involuntary muscle tissue found only in the heart.
Has striations and intercalated discs
connective tissue - ANSWER-It is an extracellular matrix of fibres running through a gel
substance called ground substance
Fibroblasts - ANSWER-secrete extracellular fibres and ground substance
Myofibroblasts - ANSWER-fibroblasts containing contractile fibers that are the mechanism of
wound contraction
, Macrophages - ANSWER-White blood cells that phagocytose damaged cells
stem cells - ANSWER-unspecialized cells that retain the ability to become a wide variety of
specialized cells
Adipocytes - ANSWER-fat cells
mast cells - ANSWER-Cells that release chemicals (such as histamine) that promote
inflammation.
ground substance - ANSWER-a gel like material, containing water and ions
- proteoglycans
- glyvosaminoglycans
- glycoproteins
they form a brush that hods on water to create the gel
supports cell migration and regulated metabolism, cell to cell signalling
Collagen - ANSWER-is the major form in most connective tissue, stains pink and is laid down by
fibroblasts
Reticulin - ANSWER-Collagen type 3, does not Stain with H & E, found lots in basement
membranes
Elastin - ANSWER-protein base similar to collagen that forms elastic tissue
central nervous system - ANSWER-brain and spinal cord
periferal nervous system - ANSWER-All other nerves in the body
Basic features of nerves - ANSWER-- cell body
- Dendrites
- Axon
- Synapses
CORRECTLY WELL DEFINED ANSWERS LATEST ALREADY
GRADED A+( MOST RECENTLY!!)
Acuity - ANSWER-the ability to discriminate two objects that are close together (25 micrometers)
Tissue processing - ANSWER-- Fix
- Wash out fixative
- Dehydrate
- Wax
- Cut (microtome)
- Mount
- Rehydrate
- Stain
- Dehydrate
Eosin - ANSWER-Acidic dye, stains pink, binds to basic groups like proteins, cytoplasmic
filaments and extracellular fibres
Haematoxylin - ANSWER-basic dye, stains blue, binds to acid groups, like DNA and RNA
PAS stain - ANSWER-stains carbohydrates (basement membranes)
Pericytes - ANSWER-help stabilize capillary walls and control permeability
Myofibroblasts - ANSWER-fibroblasts containing contractile fibers that are the mechanism of
wound contraction
myoepithelial cells - ANSWER-Squeeze apocrine gland secretions onto skin surface
,In response to hormonal or nervous signal
striated muscle - ANSWER-A muscle that appears banded; also called skeletal muscle, under
voluntary control
Layers of Striated muscle - ANSWER-- myofibril
- Muscle fibre
- Endomysium
- Fascicle
- Perimysium
- muscle
- Epimysium
striations of skeletal muscle - ANSWER-Actin (thin)
Myosin (thick)
Made of repeating series of DARK ("A" bands) + LIGHT ("I" bands).
smooth muscle - ANSWER-simple cigar shaped cells that are arranged in bundles
smooth muscle is found around most organs
innervated by motor neurones of autonomic motor system
cardiac muscle - ANSWER-Involuntary muscle tissue found only in the heart.
Has striations and intercalated discs
connective tissue - ANSWER-It is an extracellular matrix of fibres running through a gel
substance called ground substance
Fibroblasts - ANSWER-secrete extracellular fibres and ground substance
Myofibroblasts - ANSWER-fibroblasts containing contractile fibers that are the mechanism of
wound contraction
, Macrophages - ANSWER-White blood cells that phagocytose damaged cells
stem cells - ANSWER-unspecialized cells that retain the ability to become a wide variety of
specialized cells
Adipocytes - ANSWER-fat cells
mast cells - ANSWER-Cells that release chemicals (such as histamine) that promote
inflammation.
ground substance - ANSWER-a gel like material, containing water and ions
- proteoglycans
- glyvosaminoglycans
- glycoproteins
they form a brush that hods on water to create the gel
supports cell migration and regulated metabolism, cell to cell signalling
Collagen - ANSWER-is the major form in most connective tissue, stains pink and is laid down by
fibroblasts
Reticulin - ANSWER-Collagen type 3, does not Stain with H & E, found lots in basement
membranes
Elastin - ANSWER-protein base similar to collagen that forms elastic tissue
central nervous system - ANSWER-brain and spinal cord
periferal nervous system - ANSWER-All other nerves in the body
Basic features of nerves - ANSWER-- cell body
- Dendrites
- Axon
- Synapses
