1894722
Descrição
Quiz por #أطباء_2020 , atualizado more than 1 year ago
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Criado por #أطباء_2020
mais de 9 anos atrás
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Questão 1
Questão
About hypothalamo-hypophyseal axis all are true except :
Responda
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Hypothalamus connected to pars nervosa through hypothalamo-hypophyseal tract
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Hypothalamus is connected to pars distalis by tuberoinfundibular tract
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Cells connected to hypothalamus are neurosecretory (neuroendocrine) cells
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All cells of pars distalis are controlled by releasing and inhibitory factors from hypothalamus
Questão 2
Questão
Thyroid follicular cells contain all the following except :
Responda
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rER
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sER
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Mitochondria
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Lysosomes
Questão 3
Questão
The most highly vascularized area of the hypophysis is the :
Responda
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Pars distalis
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Pars nervosa
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Pars tuberalis
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Pars intermedia
Questão 4
Questão
Spongiocytes are cells of :
Responda
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Zona glomerulosa of the suprarenal cortex
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Zona fasciculata of the suprarenal cortex
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pars tuberalis of pituitary gland
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suprarenal medulla
Questão 5
Questão
Premature puberty of a child may be due to hypofunction of :
Responda
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Gonadotrophs
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sertoli cells
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pinealocytes
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mammotrophs
Questão 6
Questão
oxyphil cells of parathyroid gland are strongly acidophilic due to :
Responda
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Numerous rER
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Numerous lipid droplets
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Abundant mitochondria
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Plenty of lysosomes
Questão 7
Questão
Tanycytes
Responda
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secrete releasing and inhibiting hormones
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facilitate the hypothalamic control of anterior pituitary
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are cells of pars nervosa
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Are phagocytic cells
Questão 8
Questão
Chromophobes are characterized by all the following Except :
Responda
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constitute 10% of pars distalis
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have no or little affinity for the stains
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have no or few secretory granules
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Polygonal cells
Questão 9
Questão
Suprarenal gland:
Responda
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the medulla is ectodermal in origin
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Its cortex is endodermal in origin
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has thin connective tissue capsule
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Its cortex is formed of 2 layers
Questão 10
Questão
Herring bodies are structures present in :
Responda
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the herring canals in the liver
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cells of adrenal medulla
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Pars nervosa of pituitary gland
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Thyroid gland of old age
Questão 11
Questão
structures typically seen at the border between the renal cortex and medulla are
Responda
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vasa recta
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peritubular capillaries
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arcuate arteries and veins
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stellate vein
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interlobular arteries and veins
Questão 12
Questão
collections of cortical tissues between medullary pyramids are called
Responda
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interlobular cortex
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renal columns of bertin
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medullary rays
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non of the above
Questão 13
Questão
DCT of the kidney
Responda
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has well developed brush border
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lacks a basement membrane
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is composed of simple cubical epithelium
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has numerous rough ER assosciated with basal membrane invagination
Questão 14
Questão
all about DCT are true except
Responda
-
about 14 mm
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30-40 um in diameter
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formed of straight , convoluted and macula densa portions
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rich in mitochondria oriented longitudinally
Questão 15
Questão
facet cells
Responda
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are superficial cells of transitional epithelium
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cuboidal cells may be binucleated
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act as osmotic barrier between urine and tissue fluid
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all of the above
Questão 16
Questão
all of the following makes the juxtaglomerular apparatus except
Responda
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podocytes
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juxtaglimerular cells
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macula densa
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lacis cells
Questão 17
Questão
projection of medulla in the renal cortex
Responda
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medulla
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lobe
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renal columns
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medullary rays
Questão 18
Questão
kidney secretes all except
Responda
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renin
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medullipin
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erythropoietin
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rennin
Questão 19
Questão
nephron cosists of all except
Responda
-
malpighian corpuscle
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thick limb of loop of henle
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thin limb of loop of henle
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collecting tubules
Questão 20
Questão
the membranous urethra is lined with
Responda
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stratified squamous epithelium
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stratified columnar epithelium
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transitional epithelium
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pseudo-stratified columnar ciliated epithelium
Questão 21
Questão
the serous sac which covers the anterior and lateral surfaces of the testis is called :
Responda
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tunica vaginalis
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tunica vasculosa
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tunica propria
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tuunica albuginea
Questão 22
Questão
which of the following cells can alter the diameter of seminferous tubules :
Responda
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sertoli
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myoid
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spermatid
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spermatogonia
Questão 23
Questão
type B spermatogonia originates from :
Responda
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pale type A spermatogonia
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dark type A spermatogonia
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primary spermatocytes
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spermatids
Questão 24
Questão
the interstitial cells of leydig contain all the following EXCEPT :
Responda
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basophilic cytoplasm
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mitochondria with tubular cristea
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well developed SER
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numerous lipid droplets
Questão 25
Questão
primary spermatocytes are charichterized by all the following except :
Responda
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contains 64 D-chromosomes + 2N DNA
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appear at puberty
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the largest spermatogenic cells
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originate from type B spermatogonia
Questão 26
Questão
crystals of rienke are present in the :
Responda
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spermatids
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myoid cells
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sertoli cells
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leydig cells
Questão 27
Questão
these intratesticular ducts arise from the rete testis :
Responda
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tubuli recti
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vas deferens
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ductuli efferentes
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seminferous tubules
Questão 28
Questão
the prostatic urethra is lined with :
Responda
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st. squamous epithelium
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transitional epithelium
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st. columnar epithelium
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pseudostratified columner epithelium
Questão 29
Questão
the skin of the penis is charicterized by all of the following except :
Responda
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pigmented
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has no subcutaneous fat
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thick skin
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highly sensitive
Questão 30
Questão
the middle piece of spermatozoa is rich in :
Responda
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ribosomes
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smooth endoplasmic reticulum
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lysosomes
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mitochondria
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