Biology 030 Test Unit 2 Questions And Correct Answers

BIOLOGY 030 TEST UNIT 2 QUESTIONS
AND CORRECT ANSWERS
WhichA2ofA2theA2followingA2bestA2explainsA2theA2developmentA2ofA2acromegalyA2inA2adults
?A2-A2Ans--increasedA2productionA2ofA2hGHA2asA2anA2adult

UseA2theA2followingA2informationA2toA2answerA2theA2nextA2question.
StressfulA2situationsA2triggerA2theA2releaseA2ofA2hormonesA2suchA2asA2cortisol.A2RecentA2
studiesA2haveA2foundA2thatA2someA2formsA2ofA2depressionA2causeA2aA2similarA2hormonalA
2responseA2thatA2lastsA2muchA2longerA2thanA2theA2normalA2stressA2response.A2ThisA2unre
gulatedA2releaseA2ofA2stressA2hormonesA2mayA2resultA2inA2reducedA2appetite,A2anA2unres
ponsiveA2immuneA2system,A2inadequateA2tissueA2repair,A2andA2insomnia.
AnotherA2stressA2hormoneA2thatA2isA2secretedA2whenA2triggeredA2byA2theA2sympatheticA2n
ervousA2systemA2is...
SelectA2one:A2-A2Ans--norepinephrine

OrgansA2andA2EndocrineA2Glands
AA2patientA2isA2sufferingA2fromA2weightA2gain,A2sluggishness,A2andA2dryA2skin.A2TheA2patie
ntA2isA2injectedA2withA2aA2tracerA2(radioactiveA2iodine)A2toA2identifyA2theA2structureA2respon
sibleA2forA2theseA2symptoms.A2TheA2tracerA2wouldA2mostA2likelyA2accumulateA2inA2theA2str
uctureA2labeled...A2-A2Ans--1A2Thyroid

OrgansA2andA2EndocrineA2Glands
AA2targetA2organA2forA2aldosteroneA2isA2theA2structureA2labeled...A2-A2Ans--
labeledA25A2kidney

BovineA2somatotropinA2(BST)A2isA2aA2growthA2hormoneA2thatA2hasA2beenA2producedA2usi
ngA2biotechnologyA2sinceA21970.A2BSTA2increasesA2milkA2productionA2byA210%A2toA220%A
2whenA2injectedA2intoA2milk-
producingA2cows.A2BSTA2increasesA2nutrientA2absorptionA2fromA2theA2bloodstreamA2intoA2
theA2cow'sA2mammaryA2gland.
BSTA2couldA2probablyA2beA2obtainedA2naturallyA2fromA2whichA2glandA2inA2aA2cow?A2-
A2Ans--Pituitary


DiabetesA2insipidusA2isA2aA2disorderA2inA2whichA2theA2bodyA2failsA2toA2produceA2sufficientA
2ADH.A2OneA2symptomA2ofA2thisA2disorderA2thatA2isA2directlyA2relatedA2toA2ADHA2secretion
A2is...A2-A2Ans--theA2productionA2ofA2largeA2amountsA2ofA2diluteA2urine


TheA2ControlA2ofA2GlucoseA2LevelsA2byA2theA2Pancreas
HormonesA2XA2andA2Y,A2respectively,A2are...A2-A2Ans--insulinA2andA2glucagon

InA21947,A2E.B.A2VerneyA2publishedA2theA2resultsA2ofA2aA2seriesA2ofA2experimentsA2thatA2h
eA2hadA2conductedA2onA2aA2numberA2ofA2dogs.A2HeA2foundA2thatA2ifA2heA2injectedA2aA2con
centratedA2saltA2solutionA2intoA2theA2bloodstream,A2hypothalamus,A2andA2ventriclesA2ofA2t

, heA2brain,A2hormoneA2"X"A2wasA2releasedA2inA2largeA2amounts.A2-A2Ans--
antidiureticsA2hormoneA2ADH

ControlA2ofA2theA2SecretionA2ofA2HormoneA21A2andA2HormoneA22
IfA2GlandA21A2isA2theA2pituitaryA2gland,A2theA2rowA2thatA2identifiesA2HormoneA21,A2GlandA22
,A2andA2HormoneA22A2is.A2-A2Ans--TSH
thyroid
thyroxine

nA2humans,A2whenA2iodineA2levelsA2areA2adequate,A2abnormallyA2highA2TSHA2secretionA2
wouldA2likelyA2resultA2in...
SelectA2one:A2-A2Ans--nervousnessA2andA2weightA2loss

LowA2levelsA2ofA2calciumA2ionsA2inA2theA2bloodA2cause..A2-A2Ans--
increasedA2secretionA2ofA2PTHA2andA2movementA2ofA2calciumA2fromA2theA2bonesA2toA2the
A2blood


MostA2peopleA2withA2diabetesA2mellitusA2takeA2insulinA2byA2injectionA2ratherA2thanA2byA2m
outh.A2ThisA2isA2becauseA2insulinA2isA2a...A2-A2Ans--
protein,A2andA2itA2isA2digestedA2byA2enzymesA2toA2formA2aminoA2acids

ParathyroidA2hormoneA2andA2calcitoninA2areA2hormonesA2thatA2workA2antagonistically.A2T
woA2otherA2hormonesA2thatA2workA2antagonisticallyA2are...A2-A2Ans--
insulinA2andA2glucagon

RapidA2weightA2gain,A2tiredness,A2andA2puffyA2skinA2inA2humansA2mayA2beA2causedA2by...
A2-A2Ans--A.A2decreasedA2thyroxineA2secretion


TheA2endocrineA2functionA2ofA2theA2pancreasA2wasA2studiedA2inA2CanadaA2usingA2dogsA2a
sA2experimentalA2animals.A2TheA2pancreaticA2cellsA2withA2anA2endocrineA2functionA2are...A
2-A2Ans--isletA2cells


OrgansA2andA2EndocrineA2Glands
TheA2glandA2thatA2isA2directlyA2stimulatedA2byA2theA2nervousA2systemA2toA2secreteA2hormo
nesA2isA2theA2structureA2labeled...A2-A2Ans--4A2adrenalA2gland

OrgansA2andA2HormonesA2InvolvedA2inA2RegulationA2ofA2BodyA2Fluids
TheA2organsA2labeledA2RA2andA2SA2areA2partA2ofA2the...A2-A2Ans--
endocrineA2systemA2andA2are,A2respectively,A2theA2pituitaryA2andA2theA2adrenalA2gland.

TheA2pituitaryA2hormoneA2ACTHA2regulatesA2theA2productionA2ofA2aldosteroneA2byA2theA2c
ortexA2ofA2theA2adrenalsA2glands.A2AA2severeA2dropA2inA2ACTHA2levelsA2wouldA2likelyA2res
ultA2inA2-A2Ans--
decreasedA2sodiumA2ionA2retentionA2andA2increasedA2waterA2lossA2becauseA2aldosterone
A2levelsA2wouldA2drop