Each question in this quiz is timed.
Which of the following is true concerning crista ampullaris
Characterized by uniform arrangement
Highly affected by gravity
The density of the cupula is higher than the endolymph
It is a chemoreceptor
In past pointing test of Baraney , after stoppage of rotation to the right the person touches ...... to the point
Left
Right
Above
Below
Concerning vertigo , which of the following IS Not true a. May occur due to stoppage of rotation b. Due to momentum of endolymph c. Not related to menier's disease d. Its nervous pathway are vesti
. May occur due to stoppage of rotation
Due to momentum of endolymph
Not related to menier's disease
. Its nervous pathway are vestibulo-cerebello-thalamo-cortical and vestibulo-reticulo-thalamo-cortical
. Compared to crista ampullaris , macula is characterized by which of the following
. Random arrangement of stereocillia
Uniform arrangement of stereocillia
The cells are covered by a gelatinous layer which is of the same density of the endolymph
It's not affected by gravity
Concerning utricle , which of the following is true
It's stimulated in case of forward& backward tilt
It's stimulated in case of horizontal acceleration
It's stimulated in case of side by side tilt
Both a & b
Which of the following is considered the portal vessel of the kidney :-
Afferent arteriole
Arcuate artery
Interlobular artery
Efferent arteriole
Which of the following is a character of Juxta glomerular apparatus
Present in juxta medullary nephrons
Its macula densa act as baro receptor
Its juxtaglomerular cells are innervated by symp.
. Its macula densa is modified smooth muscle
which of the following factors increase renin secretion :-
ADH
ANP
Hypertension
Ischemia
Artificial kidney IS NOT of value in correcting which of the following functions
Excretory func. In acute renal failure
Secretory func. In choronic renal failure
Homeostatic func. In acute renal failure
Homeostatic func. In choronic renal failure
Concerning cortical nephrons which of the following is true :-
Its function is concentration of urine
It's characterised by long loop of henl
It's characterised by autoregulation
It's characterised by absence of J.G.A
