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Healing: Quiz

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Question 1: Fibroblasts quickly produce abundant type III ________, which fills the defect left by an open wound.
Lysyl hydroxylaseCollagenCollagen, type I, alpha 1Keratin

Question 2: Acute tubular necrosis (ATN) in the ________ is a case in which cells heal completely by regeneration.
Endocrine systemUrinary systemLiverKidney

Question 3: After regeneration is complete, the damage is undetectable, even ________.
MicroscopeCuvetteAgar plateEudiometer

Question 4: Most cells have this ability, although it is believed that ________ cells and neurons are two important exceptions.
Smooth muscleSkeletal muscleCardiac muscleExtrafusal muscle fiber

Question 5: Cells also need a ________ framework along which to grow.
Collagen, type I, alpha 1KeratinLysyl hydroxylaseCollagen

Question 6: Some of the fibroblasts mature into myofibroblasts which contain the same type of ________ found in smooth muscle, which enables them to contract and reduce the size of the wound.
MyosinActinDystroglycanDystrophin

Question 7: by ________ or physical destruction), or its total collapse (as can happen in an infarct) cause healing to take place by repair.
ProteinEnzyme inhibitorCofactor (biochemistry)Enzyme

Question 8: During the maturation phase of wound healing, unnecessary vessels formed in granulation tissue are removed by ________, and type III collagen is largely replaced by type I.
Signal transductionTranscription factorApoptosis-inducing factorApoptosis

Question 9: Since ischaemia and most ________ do not destroy collagen, it will continue to exist even when the cells around it are dead.
HemotoxinAflatoxinNeurotoxinToxin







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