1879164
Description
Quiz by أطباء 2020, updated more than 1 year ago
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Created by أطباء 2020
almost 10 years ago
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Question 1
Question
Which of the following is true concerning crista ampullaris
Answer
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Characterized by uniform arrangement
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Highly affected by gravity
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The density of the cupula is higher than the endolymph
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It is a chemoreceptor
Question 2
Question
In past pointing test of Baraney , after stoppage of rotation to the right the person touches ...... to the point
Answer
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Left
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Right
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Above
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Below
Question 3
Question
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
Answer
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. May occur due to stoppage of rotation
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Due to momentum of endolymph
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Not related to menier's disease
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. Its nervous pathway are vestibulo-cerebello-thalamo-cortical and vestibulo-reticulo-thalamo-cortical
Question 4
Question
. Compared to crista ampullaris , macula is characterized by which of the following
Answer
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. Random arrangement of stereocillia
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Uniform arrangement of stereocillia
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The cells are covered by a gelatinous layer which is of the same density of the endolymph
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It's not affected by gravity
Question 5
Question
Concerning utricle , which of the following is true
Answer
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It's stimulated in case of forward& backward tilt
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It's stimulated in case of horizontal acceleration
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It's stimulated in case of side by side tilt
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Both a & b
Question 6
Question
Which of the following is considered the portal vessel of the kidney :-
Answer
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Afferent arteriole
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Arcuate artery
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Interlobular artery
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Efferent arteriole
Question 7
Question
Which of the following is a character of Juxta glomerular apparatus
Answer
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Present in juxta medullary nephrons
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Its macula densa act as baro receptor
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Its juxtaglomerular cells are innervated by symp.
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. Its macula densa is modified smooth muscle
Question 8
Question
which of the following factors increase renin secretion :-
Answer
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ADH
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ANP
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Hypertension
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Ischemia
Question 9
Question
Artificial kidney IS NOT of value in correcting which of the following functions
Answer
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Excretory func. In acute renal failure
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Secretory func. In choronic renal failure
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Homeostatic func. In acute renal failure
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Homeostatic func. In choronic renal failure
Question 10
Question
Concerning cortical nephrons which of the following is true :-
Answer
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Its function is concentration of urine
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It's characterised by long loop of henl
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It's characterised by autoregulation
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It's characterised by absence of J.G.A
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