Histology NBME full questions and
answers
1.Nuclear iipores:
A)Combine iito iiform iia iihexagonal iistructure
B)Have ii50nm iiin iidiameter
C)Their iinumber iiis iinot iiconnected iiwith iicellular iiactivity
D)Nuclear iilamina iiare iiconnected iito iitheir iiinner iirings
E)A iiand iiC iiare iicorrect
F)B iiand iiD iiare iicorrect ii- iiAnswers ii-E)A iiand iiC iiare iicorrect
The iiconducting iizone iiof iithe iirespiratory iisystem:
A) iiIncludes iithe iiupper iiairways, iitrachea iiand iithe iibronchial iitree ii(including iithe
iiterminal iibronchioles)
B) iiIs iidesigned iifor iiairflow iiand iirespiration
C) iiIncludes iionly iithe iinose iiand iithe iipharynx
D) iiIs iidesigned iifor iiolfactory
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-A) iiIncludes iithe iiupper iiairways, iitrachea iiand iithe
iibronchial iitree ii(including iithe iiterminal iibronchioles)
***The iibronchial iitree iistarts iiwith iithe iiprimary iibronchi:
A)And iiends iiwith iithe iirespiratory iibronchioles
B) iiAnd iion iieach iisection iiis iilined iiwith iithe iisimple iicolumnar iiepithelium
C) iiAnd iiis iicomposed iiof iisubmucosa iiwith iiplates iiof iifibrocartilage
D) iiAnd iiis iipart iiof iithe iiconducting iiportion
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiAnd iiis iipart iiof iithe iiconducting iiportion
***The iifeature iiof iiskeletal iimuscles iiis:
A) iiComposed iiof iimononucleated iicells
B) iiHave iimyofibrils iithat iidoes iinot iipossess iiA iibands
C) iiAre iicomposed iiof iibundles iiof iimultinucleated iifibers
D) iiTheir iicontraction iiis iislow iiand iinot iisubject iito iivoluntary iicontrol
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-C) iiAre iicomposed iiof iibundles iiof iimultinucleated
iifibers
***In iithe iiskeletal iimuscle iithin iifilaments iiare iicomposed iiof:
A) iiActin
B) iiMyosin
,C) iiTropomyosin
D) iiLight iiand iiheavy iichains
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-E) iiA iiand iiC iiare iicorrect
***The iicontraction iiof iiskeletal iimuscle iirequires:
A) iiGTP
B) iiATP
C) iiMg iiions
D) iiCa iiions
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-F) iiB iiand iiD iiare iicorrect
***Sarcomere:
A) iiIs iithe iibasic iicontractile iiunit iiof iiskeletal iimuscle
B) iiIs iithe iibasic iicontractile iiunit iiof iismooth iimuscle
C) iiConsist iiof iithick iiand iithin iifilaments
D) iiExtends iifrom iiA iiband iito iiM iiline
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-E) iiA iiand iiC iiare iicorrect
***What iicell iitype iisecretes iiACTH?
A) iiLactotropic iicells
B) iiThyrotropic iicells
C) iiSomatotropic iicells
D) iiCorticotropic iicells
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiCorticotropic iicells
***Which iiof iithe iifollowing iiphrases iiconcerning iiosteocytes iiare iicorrect:
A) iiOval iiactive iicells
B) iiPlaced iiin iiHowship's iilacunae
C) iiSecrete iiosteoid
D) iiAlmond-shaped iicells
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiAlmond-shaped iicells
***Periosteum iiconsists iiof:
A) iiOuter iilayer iiof iicollagen iifibers iiand iifibroblasts
B) iiOuter iilayer iiof iiosteoprogenitor iicells
C) iiInner iilayer iiof iiosteoprogenitor iicells
D) iiInner iilayer iiof iicollagen iifibers iiand iifibroblasts
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-E) iiA iiand iiC iiare iicorrect
,***Which iiof iithe iifollowing iiphrases iiconcerning iiintramembranous iiossification iiare
iicorrect:
A) iiIs iisource iiof iimost iiof iithe iiflat iibones
B) iiIs iisource iiof iimost iiof iithe iilong iibones
C) iiBegins iifrom iimesenchymal iicondensation
D) iiStarts iifrom iithe iibone iicollar iiformation
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-E) iiA iiand iiC iiare iicorrect
***Which iicell iitype iiare iiinvolved iiin iithe iisecretion iithyroglobulin?
A) iiPrincipal iicell
B) iiOxyphil iicell
C) iiParafollicular iicells
D) iiFollicular iicells
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiFollicular iicells
***Which iipart iithe iiadrenal iigland iisecretes iiglucocorticoids?
A) iiChromaffin iicells
B) iiZona iireticularis
C) iiZona iiglomerulosa
D) iiZona iifasciculata
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiZona iifasciculata
***Which iiof iithe iifollowing iiis iiNOT iia iicharacteristic iiof iithe iiendocrine iisystem?
A) iiProducts iisecreted iiinto iiblood
B) iiGlands iiwith iiducts
C) iiSecretes iihormones
D) iiSecretory iiactivity iiof iiendocrine iigland iiis iicontrolled
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-B) iiGlands iiwith iiducts
***Which iiof iithe iifollowing iicells iican iibe iiclassified iias iian iiacidophil?
A) iiGonadotropic iicells
B) iiCorticotropic iicells
C) iiThyrotropic iicells
D) iiLactotropic iicells
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiLactotropic iicells
***The iiplasma iimembrane iiconsists iiof iithe iifollowing iielements iiexcept:
A) iiTransmembrane iiproteins
B) iiPeripheral iiproteins
C) iiCholesterol
D) iimicrofibers
, E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iimicrofibers
***The iiglycocalyx iican iibe iidefined iias:
A) iiThe iimasses iiof iiextracellular iimatrix
B) iiBasement iimembrane iirich iiis iicollagen
C) iiLayer iimade iiof iicarbohydrate iichains iilinked
D) iiA iithin iisheath iiof iiactin iifilaments iilocated iibeneath iithe iicell iimembrane
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-C) iiLayer iimade iiof iicarbohydrate iichains iilinked
***A iiprocess iiby iiwhich iiliquid iidroplets iiare iiingested iiby iiliving iicells iiis:
A) iiActive iitransport
B) iiPhagocytosis
C) iiPinocytosis
D) iiFacilitated iidiffusion
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-C) iiPinocytosis
***Cytoplasmic iistructures iiconsisting iiof ii2 iicentral iimicrotubules iisurrounded iiby ii9
iimicrotubule iidoublets iiwere iirecognized iias:
A) iiCilia
B) iiMicrovilli
C) iiAxoneme
D) iiCentrioles
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-E) iiA iiand iiC iiare iicorrect
***Which iiof iithe iifollowing iihas iia iirigid iiwall iicomposed iiof ii13 iiprotofilaments iistrands?
A) iiMicrotubule
B) iiMicrofilament
C) iiNeurofilament
D) iikeratin
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-A) iiMicrotubule
***Which iiof iithe iifollowing iiphrases iiconcerning iiendochondral iiossification iiis/are
iicorrect: ii
A. iiIt iiis iithe iisource iiof iimost iiof iithe iiflat iibones ii
B. iiIt iiis iisource iiof iimost iilong iibones ii
C. iiIt iibegins iifrom iimesenchymal iicondensation ii
D. iiStarts iifrom iithe iibone iicollar iiformation ii
E. iiA iiand iiC iiare iicorrect ii
F. iiB iiand iiD iiare iicorrect ii- iiAnswers ii-F. iiB iiand iiD iiare iicorrect
***Which iiof iithe iifollowing iiphrases iiconcerning iiepiphyseal iicartilage iiis/are iicorrect: ii
answers
1.Nuclear iipores:
A)Combine iito iiform iia iihexagonal iistructure
B)Have ii50nm iiin iidiameter
C)Their iinumber iiis iinot iiconnected iiwith iicellular iiactivity
D)Nuclear iilamina iiare iiconnected iito iitheir iiinner iirings
E)A iiand iiC iiare iicorrect
F)B iiand iiD iiare iicorrect ii- iiAnswers ii-E)A iiand iiC iiare iicorrect
The iiconducting iizone iiof iithe iirespiratory iisystem:
A) iiIncludes iithe iiupper iiairways, iitrachea iiand iithe iibronchial iitree ii(including iithe
iiterminal iibronchioles)
B) iiIs iidesigned iifor iiairflow iiand iirespiration
C) iiIncludes iionly iithe iinose iiand iithe iipharynx
D) iiIs iidesigned iifor iiolfactory
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-A) iiIncludes iithe iiupper iiairways, iitrachea iiand iithe
iibronchial iitree ii(including iithe iiterminal iibronchioles)
***The iibronchial iitree iistarts iiwith iithe iiprimary iibronchi:
A)And iiends iiwith iithe iirespiratory iibronchioles
B) iiAnd iion iieach iisection iiis iilined iiwith iithe iisimple iicolumnar iiepithelium
C) iiAnd iiis iicomposed iiof iisubmucosa iiwith iiplates iiof iifibrocartilage
D) iiAnd iiis iipart iiof iithe iiconducting iiportion
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiAnd iiis iipart iiof iithe iiconducting iiportion
***The iifeature iiof iiskeletal iimuscles iiis:
A) iiComposed iiof iimononucleated iicells
B) iiHave iimyofibrils iithat iidoes iinot iipossess iiA iibands
C) iiAre iicomposed iiof iibundles iiof iimultinucleated iifibers
D) iiTheir iicontraction iiis iislow iiand iinot iisubject iito iivoluntary iicontrol
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-C) iiAre iicomposed iiof iibundles iiof iimultinucleated
iifibers
***In iithe iiskeletal iimuscle iithin iifilaments iiare iicomposed iiof:
A) iiActin
B) iiMyosin
,C) iiTropomyosin
D) iiLight iiand iiheavy iichains
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-E) iiA iiand iiC iiare iicorrect
***The iicontraction iiof iiskeletal iimuscle iirequires:
A) iiGTP
B) iiATP
C) iiMg iiions
D) iiCa iiions
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-F) iiB iiand iiD iiare iicorrect
***Sarcomere:
A) iiIs iithe iibasic iicontractile iiunit iiof iiskeletal iimuscle
B) iiIs iithe iibasic iicontractile iiunit iiof iismooth iimuscle
C) iiConsist iiof iithick iiand iithin iifilaments
D) iiExtends iifrom iiA iiband iito iiM iiline
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-E) iiA iiand iiC iiare iicorrect
***What iicell iitype iisecretes iiACTH?
A) iiLactotropic iicells
B) iiThyrotropic iicells
C) iiSomatotropic iicells
D) iiCorticotropic iicells
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiCorticotropic iicells
***Which iiof iithe iifollowing iiphrases iiconcerning iiosteocytes iiare iicorrect:
A) iiOval iiactive iicells
B) iiPlaced iiin iiHowship's iilacunae
C) iiSecrete iiosteoid
D) iiAlmond-shaped iicells
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiAlmond-shaped iicells
***Periosteum iiconsists iiof:
A) iiOuter iilayer iiof iicollagen iifibers iiand iifibroblasts
B) iiOuter iilayer iiof iiosteoprogenitor iicells
C) iiInner iilayer iiof iiosteoprogenitor iicells
D) iiInner iilayer iiof iicollagen iifibers iiand iifibroblasts
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-E) iiA iiand iiC iiare iicorrect
,***Which iiof iithe iifollowing iiphrases iiconcerning iiintramembranous iiossification iiare
iicorrect:
A) iiIs iisource iiof iimost iiof iithe iiflat iibones
B) iiIs iisource iiof iimost iiof iithe iilong iibones
C) iiBegins iifrom iimesenchymal iicondensation
D) iiStarts iifrom iithe iibone iicollar iiformation
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-E) iiA iiand iiC iiare iicorrect
***Which iicell iitype iiare iiinvolved iiin iithe iisecretion iithyroglobulin?
A) iiPrincipal iicell
B) iiOxyphil iicell
C) iiParafollicular iicells
D) iiFollicular iicells
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiFollicular iicells
***Which iipart iithe iiadrenal iigland iisecretes iiglucocorticoids?
A) iiChromaffin iicells
B) iiZona iireticularis
C) iiZona iiglomerulosa
D) iiZona iifasciculata
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiZona iifasciculata
***Which iiof iithe iifollowing iiis iiNOT iia iicharacteristic iiof iithe iiendocrine iisystem?
A) iiProducts iisecreted iiinto iiblood
B) iiGlands iiwith iiducts
C) iiSecretes iihormones
D) iiSecretory iiactivity iiof iiendocrine iigland iiis iicontrolled
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-B) iiGlands iiwith iiducts
***Which iiof iithe iifollowing iicells iican iibe iiclassified iias iian iiacidophil?
A) iiGonadotropic iicells
B) iiCorticotropic iicells
C) iiThyrotropic iicells
D) iiLactotropic iicells
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iiLactotropic iicells
***The iiplasma iimembrane iiconsists iiof iithe iifollowing iielements iiexcept:
A) iiTransmembrane iiproteins
B) iiPeripheral iiproteins
C) iiCholesterol
D) iimicrofibers
, E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-D) iimicrofibers
***The iiglycocalyx iican iibe iidefined iias:
A) iiThe iimasses iiof iiextracellular iimatrix
B) iiBasement iimembrane iirich iiis iicollagen
C) iiLayer iimade iiof iicarbohydrate iichains iilinked
D) iiA iithin iisheath iiof iiactin iifilaments iilocated iibeneath iithe iicell iimembrane
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-C) iiLayer iimade iiof iicarbohydrate iichains iilinked
***A iiprocess iiby iiwhich iiliquid iidroplets iiare iiingested iiby iiliving iicells iiis:
A) iiActive iitransport
B) iiPhagocytosis
C) iiPinocytosis
D) iiFacilitated iidiffusion
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-C) iiPinocytosis
***Cytoplasmic iistructures iiconsisting iiof ii2 iicentral iimicrotubules iisurrounded iiby ii9
iimicrotubule iidoublets iiwere iirecognized iias:
A) iiCilia
B) iiMicrovilli
C) iiAxoneme
D) iiCentrioles
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-E) iiA iiand iiC iiare iicorrect
***Which iiof iithe iifollowing iihas iia iirigid iiwall iicomposed iiof ii13 iiprotofilaments iistrands?
A) iiMicrotubule
B) iiMicrofilament
C) iiNeurofilament
D) iikeratin
E) iiA iiand iiC iiare iicorrect
F) iiB iiand iiD iiare iicorrect ii- iiAnswers ii-A) iiMicrotubule
***Which iiof iithe iifollowing iiphrases iiconcerning iiendochondral iiossification iiis/are
iicorrect: ii
A. iiIt iiis iithe iisource iiof iimost iiof iithe iiflat iibones ii
B. iiIt iiis iisource iiof iimost iilong iibones ii
C. iiIt iibegins iifrom iimesenchymal iicondensation ii
D. iiStarts iifrom iithe iibone iicollar iiformation ii
E. iiA iiand iiC iiare iicorrect ii
F. iiB iiand iiD iiare iicorrect ii- iiAnswers ii-F. iiB iiand iiD iiare iicorrect
***Which iiof iithe iifollowing iiphrases iiconcerning iiepiphyseal iicartilage iiis/are iicorrect: ii
