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