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Exam (elaborations)

BIOS 280 Exam; Questions and Answers 100% Solved

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BIOS 280 Exam; Questions and Answers 100% Solved

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BIOS 280 Exam; Questions and Answers 100% Solved


Hva kalles bindevevsfibrene i ben og skjell? Correct Ans-Collagen og hydroksid




Hva heter haleknoklene som kun finnes hos teleoster? Correct Ans-Uroneuralium




Hva er en lepidotrich? Correct Ans-En type finnestråle som finnes hos teleoster. Disse er

myke og er leddet til pterygioforer. Kan beveges i flere retninger pga. kuleleddet.




Nevn noen fisk som har heterocerk hale Correct Ans-Hai og stør




Hva kan sanses i hudvev? Correct Ans-Temperatur, berøring og smerte




Hvilke knokler danner tak over hjernen? Correct Ans-




En del fiskegrupper har stor og bevegelig premaxillare. Er det et opprinnelig eller et avansert

trekk? Correct Ans-Avansert

, BIOS 280 Exam; Questions and Answers 100% Solved
definer myotom og myosept. Correct Ans-Myotomer er muskelfibre formet i en W. Disse

muskelfibrene er festet til myosepter i hver ende. På denne måten blir kraften fra

muskulaturens sammentrekninger overført via myoseptene til haleskjelettet.




Hvilke bloddannende organer finner hos bruskfisk? Og hos teleoster? Correct Ans-




Hvilke knokler inngår i suspensoriet? Correct Ans-Palatinum, pterygoider, quadratum,

symplecticum, hyomandibulare




Nevn noen særtrekk for cyclostomer. Correct Ans-De mangler kjeve


De mangler skjell


Har ikke parete finner


Kun en neseåpning




Hvilke tre vev finnes i skjelettet? Correct Ans-Benven, brusk og notochordvev (ryggstreng)




Hva kalles teleostskjell med pigger? Correct Ans-Ctenoidskjell

, BIOS 280 Exam; Questions and Answers 100% Solved
Hva heter skillet mellom abdomen og pericadialhulen? Hva består det av? Correct Ans-

Septum Transversum, solid vegg av fast bindevev




Nevn hudens tre lag. Correct Ans-Epidermis, Dermis, Hypodermis




Er all fisk slimete? Correct Ans-Ja, men kun slimåler har slimkjertler mens resten har

slimceller




Hvilke fisk har slimkjertler i huden? Correct Ans-Slimål




Kan dorsalfinner være paret? Correct Ans-Nei




Hva er fellesnavnet for neuralbuer og hemalbuer? Correct Ans-Arcualier




Hvilke knokler danner selve kjeveleddet? Correct Ans-Premaxillare, maxillare, dentale og

articulare




Går det blodårer i bruskvev? Correct Ans-Nei

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