Test
Histology
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Preguntas del test (30)
1About hypothalamo-hypophyseal axis all are true except :
- AHypothalamus connected to pars nervosa through hypothalamo-hypophyseal tract
- BHypothalamus is connected to pars distalis by tuberoinfundibular tract
- CCells connected to hypothalamus are neurosecretory (neuroendocrine) cells
- DAll cells of pars distalis are controlled by releasing and inhibitory factors from hypothalamus
- AHypothalamus connected to pars nervosa through hypothalamo-hypophyseal tract
2Thyroid follicular cells contain all the following except :
- ArER
- BsER
- CMitochondria
- DLysosomes
3The most highly vascularized area of the hypophysis is the :
- APars distalis
- BPars nervosa
- CPars tuberalis
- DPars intermedia
- APars distalis
4Spongiocytes are cells of :
- AZona glomerulosa of the suprarenal cortex
- BZona fasciculata of the suprarenal cortex
- Cpars tuberalis of pituitary gland
- Dsuprarenal medulla
- AZona glomerulosa of the suprarenal cortex
5Premature puberty of a child may be due to hypofunction of :
- AGonadotrophs
- Bsertoli cells
- Cpinealocytes
- Dmammotrophs
- AGonadotrophs
6oxyphil cells of parathyroid gland are strongly acidophilic due to :
- ANumerous rER
- BNumerous lipid droplets
- CAbundant mitochondria
- DPlenty of lysosomes
- ANumerous rER
7Tanycytes
- Asecrete releasing and inhibiting hormones
- Bfacilitate the hypothalamic control of anterior pituitary
- Care cells of pars nervosa
- DAre phagocytic cells
- Asecrete releasing and inhibiting hormones
8Chromophobes are characterized by all the following Except :
- Aconstitute 10% of pars distalis
- Bhave no or little affinity for the stains
- Chave no or few secretory granules
- DPolygonal cells
- Aconstitute 10% of pars distalis
9Suprarenal gland:
- Athe medulla is ectodermal in origin
- BIts cortex is endodermal in origin
- Chas thin connective tissue capsule
- DIts cortex is formed of 2 layers
- Athe medulla is ectodermal in origin
10Herring bodies are structures present in :
- Athe herring canals in the liver
- Bcells of adrenal medulla
- CPars nervosa of pituitary gland
- DThyroid gland of old age
- Athe herring canals in the liver
11structures typically seen at the border between the renal cortex and medulla are
- Avasa recta
- Bperitubular capillaries
- C arcuate arteries and veins
- Dstellate vein
- Einterlobular arteries and veins
12collections of cortical tissues between medullary pyramids are called
- Ainterlobular cortex
- B renal columns of bertin
- Cmedullary rays
- Dnon of the above
13DCT of the kidney
- Ahas well developed brush border
- Blacks a basement membrane
- C is composed of simple cubical epithelium
- Dhas numerous rough ER assosciated with basal membrane invagination
14all about DCT are true except
- Aabout 14 mm
- B30-40 um in diameter
- Cformed of straight , convoluted and macula densa portions
- Drich in mitochondria oriented longitudinally
15facet cells
- A are superficial cells of transitional epithelium
- Bcuboidal cells may be binucleated
- Cact as osmotic barrier between urine and tissue fluid
- D all of the above
16all of the following makes the juxtaglomerular apparatus except
- Apodocytes
- Bjuxtaglimerular cells
- Cmacula densa
- D lacis cells
17projection of medulla in the renal cortex
- Amedulla
- Blobe
- Crenal columns
- Dmedullary rays
18 kidney secretes all except
- Arenin
- Bmedullipin
- Cerythropoietin
- Drennin
19nephron cosists of all except
- A malpighian corpuscle
- Bthick limb of loop of henle
- C thin limb of loop of henle
- D collecting tubules
20the membranous urethra is lined with
- Astratified squamous epithelium
- Bstratified columnar epithelium
- Ctransitional epithelium
- Dpseudo-stratified columnar ciliated epithelium
21the serous sac which covers the anterior and lateral surfaces of the testis is called :
- Atunica vaginalis
- Btunica vasculosa
- Ctunica propria
- Dtuunica albuginea
22which of the following cells can alter the diameter of seminferous tubules :
- Asertoli
- Bmyoid
- Cspermatid
- Dspermatogonia
23type B spermatogonia originates from :
- Apale type A spermatogonia
- Bdark type A spermatogonia
- Cprimary spermatocytes
- Dspermatids
24the interstitial cells of leydig contain all the following EXCEPT :
- Abasophilic cytoplasm
- Bmitochondria with tubular cristea
- Cwell developed SER
- Dnumerous lipid droplets
25primary spermatocytes are charichterized by all the following except :
- Acontains 64 D-chromosomes + 2N DNA
- Bappear at puberty
- Cthe largest spermatogenic cells
- Doriginate from type B spermatogonia
26crystals of rienke are present in the :
- Aspermatids
- Bmyoid cells
- Csertoli cells
- Dleydig cells
27these intratesticular ducts arise from the rete testis :
- Atubuli recti
- Bvas deferens
- Cductuli efferentes
- Dseminferous tubules
28the prostatic urethra is lined with :
- Ast. squamous epithelium
- Btransitional epithelium
- Cst. columnar epithelium
- Dpseudostratified columner epithelium
29the skin of the penis is charicterized by all of the following except :
- Apigmented
- Bhas no subcutaneous fat
- Cthick skin
- Dhighly sensitive
30the middle piece of spermatozoa is rich in :
- Aribosomes
- Bsmooth endoplasmic reticulum
- Clysosomes
- Dmitochondria
Información
- Descripción
- Test sobre Histology , creado por #أطباء_2020 el 21/01/2015.
- Autor
- #أطباء_2020
- Idioma
- English
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