GUIDE WITH 370 MOST TESTED QUESTIONS WITH CORRECT
ANSWERS
What ||is ||the ||smallest ||level ||of ||organization ||in ||the ||body ||that ||contains ||the ||body's ||genetic
||information?
a. chemical
b. cellular
c. tissue
d. organism ||- ||CORRECT ||ANSWER-cellular ||The ||cellular ||level ||includes ||the ||nucleus, ||an
||organelle ||that ||contains ||the ||body's ||genetic ||information.
Which ||is ||an ||example ||of ||a ||normally ||occurring ||positive-feedback ||mechanism?
|| Select ||one:
a. elevated ||blood ||pressure ||during ||exercise
b. increase ||in ||heart ||rate ||after ||blood ||loss
c. decrease ||in ||blood ||pressure ||after ||blood ||loss
d. stretching ||of ||the ||uterus ||near ||the ||end ||of ||pregnancy ||- ||CORRECT ||ANSWER-d. ||stretching ||of
||the ||uterus ||near ||the ||end ||of ||pregnancy
Which ||of ||the ||following ||processes ||generates ||the ||most ||ATP ||within ||a ||human
cell? ||Select ||one:
||
a. glycolysis
b. lactic ||acid ||fermentation
c. oxidative ||phosphorylation
d. citric ||acid ||cycle ||- ||CORRECT ||ANSWER-c. ||oxidative ||phosphorylation
During ||DNA ||replication, ||how ||does ||each ||template ||strand ||eventually ||become ||two ||identical ||DNA
||molecules?
Select ||one:
a. The ||two ||strands ||form ||continuously, ||catalyzed ||by ||DNA ||polymerase.
b. The ||two ||strands ||form ||continuously, ||catalyzed ||by ||DNA ||ligase.
c. One ||strand ||forms ||continuously, ||the ||other ||forms ||in ||short ||segments ||spliced ||by ||DNA
||polymerase.
,d. One ||strand ||forms ||continuously, ||the ||other ||forms ||in ||short ||segments ||spliced ||by ||DNA
||ligase. ||- ||CORRECT ||ANSWER-d. ||One ||strand ||forms ||continuously, ||the ||other ||forms ||in ||short
||segments ||spliced ||by ||DNA ||ligase. ||There ||is ||a ||leading ||strand ||and ||a ||lagging ||strand; ||they
||don't ||both ||form ||continuously.
Which ||is ||the ||most ||superficial ||layer ||of ||skin ||that ||is ||composed ||primarily ||of ||living
cells? ||Select ||one:
||
a. stratum ||corneum
b. stratum ||lucidum
c. stratum ||basale ||spinosum.
d. stratum ||spinosum ||- ||CORRECT ||ANSWER-.
d. ||stratum ||spinosum ||(stratum ||basale ||layer ||is ||below ||the ||stratum ||spinosum)
Which ||of ||the ||following ||is ||the ||definition ||of ||a ||third ||degree
burn? ||Select ||one:
||
a. a ||burn ||that ||covers ||at ||least ||25% ||of ||the ||skin
b. a ||burn ||that ||has ||destroyed ||the ||dermis ||and ||epidermis
c. a ||burn ||that ||can ||only ||be ||caused ||by ||fire
d. a ||burn ||that ||does ||not ||leave ||scars ||- ||CORRECT ||ANSWER-a ||burn ||that ||has ||destroyed ||the
||dermis ||and ||epidermis. ||How ||much ||skin ||the ||burn ||covers ||does ||not ||definite ||which ||degree
||of ||burn ||it ||is.
Which ||of ||the ||following ||types ||of ||openings ||in ||the ||skeletal ||system ||does ||a ||"sinus"
describe? ||Select ||one:
||
a. cavity
b. cleft
c. hole
d. tunnel ||- ||CORRECT ||ANSWER-a. ||cavity: ||a ||sinus ||is ||an ||air ||space ||within ||bone.
Which ||of ||the ||following ||components ||of ||the ||bone ||matrix, ||when ||removed, ||allows ||the ||bone ||to
||be ||easily ||shattered?
Select ||one:
a. cartilage
b. collagen
,c. hydroxyapatite
d. mineral ||- ||CORRECT ||ANSWER-b. ||Collagen ||is ||a ||component ||of ||the ||bone ||matrix ||that ||gives
||it ||flexible ||strength ||so ||it ||is ||less ||brittle.
Which ||of ||the ||following ||is ||the ||most ||widely ||distributed ||type ||of ||muscle ||in ||the
|| body? ||Select ||one:
a. cardiac
b. postural
c. skeletal
d. smooth ||- ||CORRECT ||ANSWER-d. ||smooth
Which ||sentence ||best ||describes ||the ||sliding ||filament ||model ||of ||muscle
contraction? ||Select ||one:
||
a. Actin ||and ||myosin ||filaments ||remain ||stationary.
b. Actin ||and ||myosin ||myofilaments ||shorten.
c. Sarcomeres ||and ||myofibrils ||contract.
d. Sarcomeres ||and ||myofibrils ||lengthen. ||- ||CORRECT ||ANSWER-c. ||Sarcomeres ||and ||myofibrils
||contract. ||The ||shortening ||of ||sarcomeres ||is ||responsible ||for ||contraction, ||and ||thus ||myofibrils
||(sarcomeres ||joined ||end ||to ||end) ||also ||shorten
A ||doctor ||performing ||an ||autopsy ||on ||a ||patient ||concludes ||that ||part ||of ||the ||brain ||was ||likely
||damaged ||by ||trauma ||due ||to ||a ||large ||population ||of ||which ||type ||of ||cell?
Select ||one:
a. Schwann ||cells
b. microglia
c. oligodendrocytes
d. ependymal ||cells ||- ||CORRECT ||ANSWER-b. ||microglia
What ||type ||of ||axons ||is ||found ||in ||a ||gray ||ramus ||comunicans?
|| Select ||one:
a. myelinated, ||pre-ganglionic ||axons
b. myelinated, ||post-ganglionic ||axons
, c. unmyelinated, ||pre-ganglionic || axons
d. unmyelinated, ||post-ganglionic ||axons ||- ||CORRECT ||ANSWER-d. ||unmyelinated, ||post-ganglionic
|| axons
Which ||class ||of ||chemical ||messengers ||is ||secreted ||by ||neurons ||into ||synaptic ||clefts ||to
||activate ||an ||adjacent ||cell?
Select ||one:
a. autocrine
b. endocrine
c. neurotransmitter
d. paracrine ||- ||CORRECT ||ANSWER-c. ||neurotransmitter ||Neurotransmitters ||are ||secreted ||into ||a
||synaptic ||cleft ||by ||presynaptic ||nerve ||terminals.
The ||targeted ||response ||of ||the ||hormone ||lipotropin ||is ||an ||increase ||in ||which ||of ||the
following? ||Select ||one:
||
a. the ||breakdown ||of ||fat ||in ||adipose ||tissues
b. the ||breakdown ||of ||lipids ||and ||release ||of ||fatty ||acids ||from ||cells ||This ||is ||caused ||by ||release
||of ||growth ||hormone.
c. the ||production ||of ||milk ||in ||lactating ||women
d. the ||secretion ||of ||thyroid ||hormone ||- ||CORRECT ||ANSWER-a. ||the ||breakdown ||of ||fat ||in ||adipose
||tissues
What ||causes ||the ||breakdown ||of ||lipids ||and ||release ||of ||fatty ||acids ||from ||cells? ||- ||CORRECT
||ANSWER-The ||release ||of ||growth ||hormones.
There ||are ||more ||microbial ||cells ||than ||human ||cells ||in ||your ||body ||and ||the ||health ||of ||this
||microbiota ||clearly ||influences ||human ||well-being. ||How ||many ||microbes ||are ||there?.
Select ||one:
a. For ||every ||cell ||in ||your ||body, ||there ||are ||ten ||microbial ||cells.
b. For ||every ||cell ||in ||your ||body, ||there ||are ||one ||hundred ||microbial ||cells.
c. For ||every ||cell ||in ||your ||body, ||there ||are ||one ||thousand ||microbial ||cells.
d. For ||every ||cell ||in ||your ||body, ||there ||are ||ten ||thousand ||microbial ||cells ||- ||CORRECT ||ANSWER-a.
||For ||every ||cell ||in ||your ||body, ||there ||are ||ten ||microbial ||cells.