Histology NBME review, Histology NBME
full questions and answers
Emphysema iiis iicharacterized iiby iioverdistention iiand iidestruction iiof iiwhich iiof iithe
iifollowing iistructures?
Trachea
Bronchi
Bronchioles
Terminal iibronchioles
Alveolar iiducts ii- iiAnswers ii-alveolar iiducts
Intercellular iipassage iiof iiions iifrom iithe iiluminal iisurface iiof iithe iiintestines iito iithe
iilamina iipropria iiis iiprevented iiby iithe iipresence iiof ii? ii
Desmosomes
Belt iidesmosomes
Hemidesmosomes
Gap iijunctions
Tight iijunctions/zonula iioccludens ii- iiAnswers ii-Tight iijunctions/ iiZonula iioccludens
Water iiis iiprevented iifrom iipassing iithrough iithe iiepithelial iicells iibecause iiof iithe iizonula
iioccludens. iiThey iiare iisealants iiin iibetween iithe iisurface iiof iicells iiexcept iiin iithe iisertoli
iicells.
A iidiurnally iisecreted iibiogenic iiamine iisynthesized iiin iipinealocytes iiis?
Dopamine
Epinephrine
Norepinephrine
Melatonin
Serotonin ii- iiAnswers ii-melatonin
In iithe iirenal iicortex, iithe iilabyrinth iiof iithe iicapillaries iithat iicarry iiresorbed iiglucose iiout
iiof iithe iikidney iiarises iidirectly iifrom?
Afferent iiarterioles
Arcuate iiarteries
Capsular iiplexus
Efferent iiarterioles
Interlobular iiarteries ii- iiAnswers ii-efferent iiarterioles
,The iiproximal iiconvoluted iitubules iicarry iireabsorbed iiglucose iiout iiof iithe iikidney iiand
iithe iiglucose iiis iireabsorbed iiin iithe iivasa iirecta iiwhich iiis iiconnected iidirectly iifrom
iiefferent iiarterioles
Proliferation iiof iiuterine iiendometrium iidepends iion?
Cortisol ii
Estrogen
Luteinizing iihormone
Progesterone
Prolactin ii- iiAnswers ii-Estrogen
Menses, iiproliferative iiphase- iiestrogen, iisecretory iiphase- iiprogesterone
What iistimulates iithe iiSecretory iiphase? ii- iiAnswers ii-Progesterone
Which iiof iithe iifollowing iicell iitypes iiare iifound iiexclusively iiin iithe iibasal iicompartment
iiof iiseminiferous iitubules?
Primary iispermatocytes
Secondary iispermatocytes
spermatids
Spermatogonia
Spermatozoa ii- iiAnswers ii-Spermatogonia
Sertoli iicells, iitight iijunctions, iispermatogonia- iionly iicells iifound iiin iithe iibasal
iicompartment
Everything iielse iiis iiin iithe iiadluminal iicompartment
A iisuitable iimarker iifor iidetermining iithat iicells iihave iidifferentiated iiinto iiepidermal
iiepithelial iitissue iiis iiexpression iiof? ii
Desmin
Keratin
Vimentin
Histone iiH iivariant ii- iiAnswers ii-Keratin
Intermediate iifilaments iiassociated iiwith iiyour iiepithelial iicells iiis iialways iikeratin ii
Desmin iiand iivimentin iiare iialways iiassociated iiwith iiyour iimuscle iitissues
A iipatient iiingests iian iioverdose iiof iibarbiturates, iiwhich iiof iithe iifollowing iiwill iishow iithe
iigreatest iiincrease iiin iihepatocytes ii2 iidays iilater?
Centrioles
Glycogen ii
Golgi iicisternae
,Lysosomes
Smooth iiendoplasmic iireticulum ii- iiAnswers ii-Smooth iiEndoplasmic iiReticulum ii
SER iiis iiused iiin iithe iidetoxification iiof iidrugs
In iihepatocytes iiboth iiRer iiand iiSER iiare iiabundant ii
Protein iisynthesis, iidetoxification iiof iidrugs, iicholesterol iisynthesis
During iithe iifinal iistage iiof iisecretory iiglycoprotein iiformation, iibefore iiexocytosis,
iiglycoproteins iiare iifound iiin iithe ii? ii
Cisternae iiof iirough iiendoplasmic iireticulum
Cis iigolgi iicomplex
Trans iigolgi iicomplex
lysosomes
Polysomes iiin iithe iicytosol ii- iiAnswers ii-trans iigolgi iicomplex
The iisynthesis iiof iirRNA iiis iiassociated iimost iispecifically iiwith iiwhich iiof iithe iifollowing
iicell iistructures?
Kinetochores
Nucleus iienvelope
Nucleolus
Ribosomes
Rough iiendoplasmic iireticulum ii- iiAnswers ii-nucleolus
Beating iiof iicilia iiis iimediated iiby?
Dynein iiarms
Microfilaments
Nexin iilinks
Reversible iiassembly- iidisassembly iiof iimicrotubules
Triplet iimicrotubule iiunits ii- iiAnswers ii-dynein iiarms
Kartegeners iisyndrome iiis iia iimutation iiof iithe iidynein iiarm ii
Protein iicore iiof iimicrotubules
A ii26 iiyr iiold iiwoman iiwith iiirregular iimenstrual iicycles iiundergoes iidiagnostic
iiendometrial iibiopsy. iiHistologic iiexamination iiof iithe iispecimen iishows iilong iistraight
iiendometrial iiglands iiwith iinarrow iilumens iithat iiare iiembedded iiin iia iithick iistratum
iifunctionale iiof iithe iiendometrium. iiThese iichanges iiare iimost iiconsidered iiwith iiwhich
iiof iithe iifollowing iifindings?
Decreasing iiserum iiestrogen iiconcentration iistimulation iirelease iiif iiluteinizing iihormone
iirelease iifrom iihypothalamus
, Diminishes iiactivity iiof iigranulosa iilutein iicells iiin iithe iiovary ii(decrease iiproduction iiof
iiprogesterone)
Increase iisecretion iiof iipituitary iihormones iifsh iicorrelated iiwith iidecreasing iisection iiof
iipituitary iiluteinizing iihormone
Presence iiof iiprimary iioocyte iistill iiencoded iiwithin iithe iicumulus iioophorus iiundergoing
iimaturation iiprior iito iiovulation ii
Rapidly iiincreasing iiviscosity iiof iiPH iiof iivaginal iisecretions ii- iiAnswers ii-Diminishes
iiactivity iiof iigranulose iilutein iicells iiin iithe iiovary
What iistage iiis iithis iiin? iiProliferative ii
If iiyou iihave iitortuous iiedemus iilike iiglands iithen iiit iiis iiin iiwhich iiphase? iithe iisecretory
iiphase. ii
Where iido iiyou iisee iigranulosa iilutein iicells iiin iithe iiovarian iicycle? iiLuteal iiphase
The iiblood iibrain iibarrier iiexcluded iiwhich iiof iithe iifollowing iimolecules iifrom iithe iibrain
iiparenchyma? ii
Albumin
Choline
Estrogen
Glucose
Tyrosine ii- iiAnswers ii-Albumin
A iisubstance iiof iilow iimolecular iiweight iiis iiinjected iiinto iia iicell. iiA iishort iitime iilater, iithe
iisubstance iican iibe iiidentified iiin iithe iiinjected iicell iiand iiin iian iiadjacent iicell. iiThere iiis
iialso iievidence iithat iithe iitwo iicells iiare iielectrically iicoupled. iiEM iiis iimost iilikely iito
iidisclose iiwhich iiof iithe iifollowing iistructural iispecializations iibetween iithese iitwo iicells? ii
Chemical iisynapses
Desmosome ii[macula iiadherens]
Gap iijunctions
Tight iijunctions ii[zonulae iioccudents] ii- iiAnswers ii-Gap iijunctions iifacilitate iiionic
iicommunications
Fenestrated iicapillaries iiare iifound iiin iiwhich iiof iithe iifollowing iisites?
Central iinervous iisystem ii
Lung ii
Muscle
Thymus ii
Thyroid iigland ii- iiAnswers ii-thyroid iigland
Central iinervous iisystem ii(brain)- iicontinuous, iiblood iibrain iibarrier
full questions and answers
Emphysema iiis iicharacterized iiby iioverdistention iiand iidestruction iiof iiwhich iiof iithe
iifollowing iistructures?
Trachea
Bronchi
Bronchioles
Terminal iibronchioles
Alveolar iiducts ii- iiAnswers ii-alveolar iiducts
Intercellular iipassage iiof iiions iifrom iithe iiluminal iisurface iiof iithe iiintestines iito iithe
iilamina iipropria iiis iiprevented iiby iithe iipresence iiof ii? ii
Desmosomes
Belt iidesmosomes
Hemidesmosomes
Gap iijunctions
Tight iijunctions/zonula iioccludens ii- iiAnswers ii-Tight iijunctions/ iiZonula iioccludens
Water iiis iiprevented iifrom iipassing iithrough iithe iiepithelial iicells iibecause iiof iithe iizonula
iioccludens. iiThey iiare iisealants iiin iibetween iithe iisurface iiof iicells iiexcept iiin iithe iisertoli
iicells.
A iidiurnally iisecreted iibiogenic iiamine iisynthesized iiin iipinealocytes iiis?
Dopamine
Epinephrine
Norepinephrine
Melatonin
Serotonin ii- iiAnswers ii-melatonin
In iithe iirenal iicortex, iithe iilabyrinth iiof iithe iicapillaries iithat iicarry iiresorbed iiglucose iiout
iiof iithe iikidney iiarises iidirectly iifrom?
Afferent iiarterioles
Arcuate iiarteries
Capsular iiplexus
Efferent iiarterioles
Interlobular iiarteries ii- iiAnswers ii-efferent iiarterioles
,The iiproximal iiconvoluted iitubules iicarry iireabsorbed iiglucose iiout iiof iithe iikidney iiand
iithe iiglucose iiis iireabsorbed iiin iithe iivasa iirecta iiwhich iiis iiconnected iidirectly iifrom
iiefferent iiarterioles
Proliferation iiof iiuterine iiendometrium iidepends iion?
Cortisol ii
Estrogen
Luteinizing iihormone
Progesterone
Prolactin ii- iiAnswers ii-Estrogen
Menses, iiproliferative iiphase- iiestrogen, iisecretory iiphase- iiprogesterone
What iistimulates iithe iiSecretory iiphase? ii- iiAnswers ii-Progesterone
Which iiof iithe iifollowing iicell iitypes iiare iifound iiexclusively iiin iithe iibasal iicompartment
iiof iiseminiferous iitubules?
Primary iispermatocytes
Secondary iispermatocytes
spermatids
Spermatogonia
Spermatozoa ii- iiAnswers ii-Spermatogonia
Sertoli iicells, iitight iijunctions, iispermatogonia- iionly iicells iifound iiin iithe iibasal
iicompartment
Everything iielse iiis iiin iithe iiadluminal iicompartment
A iisuitable iimarker iifor iidetermining iithat iicells iihave iidifferentiated iiinto iiepidermal
iiepithelial iitissue iiis iiexpression iiof? ii
Desmin
Keratin
Vimentin
Histone iiH iivariant ii- iiAnswers ii-Keratin
Intermediate iifilaments iiassociated iiwith iiyour iiepithelial iicells iiis iialways iikeratin ii
Desmin iiand iivimentin iiare iialways iiassociated iiwith iiyour iimuscle iitissues
A iipatient iiingests iian iioverdose iiof iibarbiturates, iiwhich iiof iithe iifollowing iiwill iishow iithe
iigreatest iiincrease iiin iihepatocytes ii2 iidays iilater?
Centrioles
Glycogen ii
Golgi iicisternae
,Lysosomes
Smooth iiendoplasmic iireticulum ii- iiAnswers ii-Smooth iiEndoplasmic iiReticulum ii
SER iiis iiused iiin iithe iidetoxification iiof iidrugs
In iihepatocytes iiboth iiRer iiand iiSER iiare iiabundant ii
Protein iisynthesis, iidetoxification iiof iidrugs, iicholesterol iisynthesis
During iithe iifinal iistage iiof iisecretory iiglycoprotein iiformation, iibefore iiexocytosis,
iiglycoproteins iiare iifound iiin iithe ii? ii
Cisternae iiof iirough iiendoplasmic iireticulum
Cis iigolgi iicomplex
Trans iigolgi iicomplex
lysosomes
Polysomes iiin iithe iicytosol ii- iiAnswers ii-trans iigolgi iicomplex
The iisynthesis iiof iirRNA iiis iiassociated iimost iispecifically iiwith iiwhich iiof iithe iifollowing
iicell iistructures?
Kinetochores
Nucleus iienvelope
Nucleolus
Ribosomes
Rough iiendoplasmic iireticulum ii- iiAnswers ii-nucleolus
Beating iiof iicilia iiis iimediated iiby?
Dynein iiarms
Microfilaments
Nexin iilinks
Reversible iiassembly- iidisassembly iiof iimicrotubules
Triplet iimicrotubule iiunits ii- iiAnswers ii-dynein iiarms
Kartegeners iisyndrome iiis iia iimutation iiof iithe iidynein iiarm ii
Protein iicore iiof iimicrotubules
A ii26 iiyr iiold iiwoman iiwith iiirregular iimenstrual iicycles iiundergoes iidiagnostic
iiendometrial iibiopsy. iiHistologic iiexamination iiof iithe iispecimen iishows iilong iistraight
iiendometrial iiglands iiwith iinarrow iilumens iithat iiare iiembedded iiin iia iithick iistratum
iifunctionale iiof iithe iiendometrium. iiThese iichanges iiare iimost iiconsidered iiwith iiwhich
iiof iithe iifollowing iifindings?
Decreasing iiserum iiestrogen iiconcentration iistimulation iirelease iiif iiluteinizing iihormone
iirelease iifrom iihypothalamus
, Diminishes iiactivity iiof iigranulosa iilutein iicells iiin iithe iiovary ii(decrease iiproduction iiof
iiprogesterone)
Increase iisecretion iiof iipituitary iihormones iifsh iicorrelated iiwith iidecreasing iisection iiof
iipituitary iiluteinizing iihormone
Presence iiof iiprimary iioocyte iistill iiencoded iiwithin iithe iicumulus iioophorus iiundergoing
iimaturation iiprior iito iiovulation ii
Rapidly iiincreasing iiviscosity iiof iiPH iiof iivaginal iisecretions ii- iiAnswers ii-Diminishes
iiactivity iiof iigranulose iilutein iicells iiin iithe iiovary
What iistage iiis iithis iiin? iiProliferative ii
If iiyou iihave iitortuous iiedemus iilike iiglands iithen iiit iiis iiin iiwhich iiphase? iithe iisecretory
iiphase. ii
Where iido iiyou iisee iigranulosa iilutein iicells iiin iithe iiovarian iicycle? iiLuteal iiphase
The iiblood iibrain iibarrier iiexcluded iiwhich iiof iithe iifollowing iimolecules iifrom iithe iibrain
iiparenchyma? ii
Albumin
Choline
Estrogen
Glucose
Tyrosine ii- iiAnswers ii-Albumin
A iisubstance iiof iilow iimolecular iiweight iiis iiinjected iiinto iia iicell. iiA iishort iitime iilater, iithe
iisubstance iican iibe iiidentified iiin iithe iiinjected iicell iiand iiin iian iiadjacent iicell. iiThere iiis
iialso iievidence iithat iithe iitwo iicells iiare iielectrically iicoupled. iiEM iiis iimost iilikely iito
iidisclose iiwhich iiof iithe iifollowing iistructural iispecializations iibetween iithese iitwo iicells? ii
Chemical iisynapses
Desmosome ii[macula iiadherens]
Gap iijunctions
Tight iijunctions ii[zonulae iioccudents] ii- iiAnswers ii-Gap iijunctions iifacilitate iiionic
iicommunications
Fenestrated iicapillaries iiare iifound iiin iiwhich iiof iithe iifollowing iisites?
Central iinervous iisystem ii
Lung ii
Muscle
Thymus ii
Thyroid iigland ii- iiAnswers ii-thyroid iigland
Central iinervous iisystem ii(brain)- iicontinuous, iiblood iibrain iibarrier
