NLN PRACTICE QUESTIONS AND CORRECT ANSWERS

NLN PRACTICE QUESTIONS AND
CORRECT ANSWERS

1A2kilogramA2(kg)A2ofA2solidA2XA2atA210°CA2andA21A2kgA2ofA2solidA2YA2atA210°CA2eachA2abs
orbA25A2joulesA2ofA2heatA2energy.A2TheA2finalA2temperaturesA2ofA2XA2andA2YA2areA215°CA2a
ndA220°C,A2respectively.A2ComparedA2toA2X,A2YA2mustA2haveA2aA2lower
A2specificA2heat.
A2conductiveA2heat.
A2heatA2ofA2fusion.
A2heatA2ofA2vaporization.A2-A2Ans--specificA2heat.


AA2dropA2ofA2diluteA2ammoniumA2hydroxideA2(NH4OH)A2isA2placedA2onA2oneA2sideA2ofA2aA2
slideA2containingA2aA2largeA2numberA2ofA2swimmingA2paramecium.A2UnderA2thisA2conditio
n,A2whichA2ofA2theseA2behaviorsA2ofA2theA2parameciaA2willA2beA2observed?
A2TheyA2willA2eventuallyA2allA2swimA2towardA2theA2ammoniumA2hydroxide.
A2TheyA2willA2showA2noA2netA2changeA2inA2behaviorA2toA2theA2ammoniumA2hydroxide.
A2TheyA2willA2allA2beA2instantlyA2killedA2byA2theA2ammoniumA2hydroxide.
A2TheyA2willA2eventuallyA2allA2swimA2awayA2fromA2theA2ammoniumA2hydroxide.A2-A2Ans--
TheyA2willA2eventuallyA2allA2swimA2awayA2fromA2theA2ammoniumA2hydroxide.

AA2methodA2forA2determiningA2theA2bloodA2alcoholA2contentA2ofA2aA2subjectA2isA2to
A2doA2aA2MantouxA2test.
A2doA2aA2DickA2test.
A2useA2aA2Breathalyzer.
A2inspectA2theA2sizeA2ofA2theA2pupils.A2-A2Ans--useA2aA2Breathalyzer.


AA2physicianA2measuresA2theA2pulseA2andA2bloodA2pressureA2(BP)A2ofA2allA2patientsA2onA2
aA2routineA2basis.A2WhichA2ofA2theseA2measurementsA2showA2theA2normalA2BPA2valuesA2f
orA2aA2restingA2adultA2patient?
A2125/95A2mmA2Hg
A2120/80A2mmA2Hg
A2100/80A2mmA2Hg
A272/120A2mmA2HgA2-A2Ans--120/80A2mmA2Hg


AA2womanA2suddenlyA2chokesA2onA2aA2pieceA2ofA2foodA2andA2clutchesA2franticallyA2atA2he
rA2throat.A2AnA2immediateA2remedyA2isA2to
A2haveA2herA2bendA2forwardA2andA2tellA2herA2toA2cough.
A2insertA2aA2fingerA2orA2aA2bluntA2objectA2towardA2theA2backA2ofA2theA2mouth.
A2applyA2quick,A2hardA2pressuresA2successivelyA2toA2herA2abdomen,A2justA2beneathA2herA2
diaphragm.
A2phoneA2"emergency"A2forA2helpA2-A2Ans--
applyA2quick,A2hardA2pressuresA2successivelyA2toA2herA2abdomen,A2justA2beneathA2herA2di
aphragm.

,AnA2unknownA2gasA2isA2moreA2denseA2thanA2air,A2doesA2notA2supportA2combustion,A2andA
2turnsA2aA2limewaterA2solutionA2cloudy.A2ThisA2gasA2isA2mostA2probably
A2ammonia.
A2methane.
A2carbonA2dioxide.
A2hydrogen.A2-A2Ans--carbonA2dioxide


IfA2theA2medullaA2ofA2theA2brainA2inA2aA2humanA2wasA2damaged,A2whichA2ofA2theseA2condi
tionsA2wouldA2mostA2likelyA2result?
A2InabilityA2toA2remember.
A2DifficultyA2inA2breathing.
A2InabilityA2toA2speak.
A2BlurredA2vision.A2-A2Ans--DifficultyA2inA2breathing.


InA2diagnosticA2testing,A2theA2electroencephalogramA2permitsA2theA2physicianA2to
A2examineA2theA2impulsesA2ofA2theA2specializedA2muscleA2cellsA2ofA2theA2heart.
A2examineA2theA2impulsesA2ofA2theA2nerveA2cellsA2withinA2theA2brain.
A2measureA2theA2pressureA2withinA2theA2eye.
A2measureA2theA2amountA2ofA2airA2uponA2exhalation.A2-A2Ans--
examineA2theA2impulsesA2ofA2theA2nerveA2cellsA2withinA2theA2brain.

InA2ecologicalA2succession,A2theA2firstA2livingA2thingA2toA2colonizeA2aA2hithertoA2barrenA2ar
eaA2isA2calledA2a
A2producer.
A2primaryA2consumer.
A2pioneerA2organism.
A2carnivore.A2-A2Ans--pioneerA2organism.


InA2varietiesA2ofA2matter,A2theA2termA2heterogeneousA2mayA2beA2appliedA2to
A2elements,A2butA2notA2compounds.
A2compounds,A2butA2notA2elements.
A2compoundsA2andA2elements,A2butA2notA2mixtures.
A2mixtures,A2butA2notA2elementsA2orA2compounds.A2-A2Ans--
mixtures,A2butA2notA2elementsA2orA2compounds.

PeriodontitisA2isA2anA2inflammatoryA2conditionA2ofA2the
A2gumA2tissueA2thatA2surroundsA2theA2neckA2ofA2eachA2tooth.
A2pulpA2thatA2containsA2nerveA2cellsA2andA2bloodA2vesselsA2ofA2theA2tooth.
A2dentinA2thatA2surroundsA2theA2softA2partA2ofA2aA2tooth.
A2enamelA2thatA2providesA2aA2hardA2surfaceA2forA2chewing.A2-A2Ans--
gumA2tissueA2thatA2surroundsA2theA2neckA2ofA2eachA2tooth.

TheA2atomsA2ofA2anA2elementA2withA2sevenA2valenceA2electronsA2areA2mostA2probablyA2cl
assifiedA2as
A2metals.
A2nonmetals.

, A2metalloids.
A2nobleA2gases.A2-A2Ans--metals.


TheA2bendingA2ofA2aA2waveA2aroundA2anA2obstacleA2isA2knownA2as
A2diffraction.
A2deflection.
A2refraction.
A2reflection.A2-A2Ans--diffraction.


TheA2inheritedA2factorsA2thatA2areA2transmittedA2inA2anA2organismA2fromA2generationA2toA2
generationA2areA2calledA2its
A2homozygote.
A2heterozygote.
A2genotype.
A2phenotype.A2-A2Ans--genotype.


TheA2organA2thatA2filtersA2metabolicA2wasteA2fromA2theA2bloodA2isA2the
A2smallA2intestine.
A2liver.
A2kidney.
A2stomach.A2-A2Ans--kidney.


TheA2processA2ofA2nuclearA2cellA2divisionA2inA2theA2cellA2reproductionA2ofA2plantsA2differsA2
fromA2mammals.A2AA2majorA2differenceA2isA2that
A2homologousA2chromosomesA2areA2paired.
A2centriolesA2areA2replicated.
A2spindleA2fibersA2areA2missing.
A2cellA2platesA2areA2synthesized.A2-A2Ans--homologousA2chromosomesA2areA2paired


InA2animals,A2theA2cellA2isA2splitA2fromA2theA2outsideA2byA2aA2contractileA2ring,A2formingA2aA
2cleavageA2furrow.A2AA2layerA2ofA2actinA2andA2myosinA2filamentsA2underneathA2theA2plasm
aA2membraneA2atA2theA2cellA2centerA2beginsA2toA2contractA2untilA2theA2cellA2isA2essentiallyA
2pinchedA2inA2half.A2InA2plants,A2aA2newA2cellA2wallA2formsA2insideA2theA2cellA2thatA2growsA2
outwardA2untilA2theA2formationA2ofA2twoA2newA2cells.A2TheA2assemblyA2ofA2aA2newA2cellA2w
allA2formsA2byA2vesiclesA2filledA2withA2celluloseA2andA2lignin,A2whichA2eventuallyA2fuseA2to
getherA2toA2createA2aA2newA2cellA2wall,A2andA2theA2parentA2cellA2splitsA2inA2two.

WhichA2ofA2theseA2conditionsA2isA2associatedA2withA2smoking?
A2EsophagealA2varices.
A2Tonsillitis.
A2Emphysema.
A2Blindness.A2-A2Ans--Emphysema.


WhichA2ofA2theseA2equationsA2bestA2illustratesA2aA2synthesisA2reaction?
A22NaA2+A2Cl2A2->A22NaCl
A2NaOHA2+A2HClA2->A2NaClA2+A2H2O