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Mcqs MBBS Exams India
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Home >> Exams >> India Exams >> MD MS EE >> Mcqs Page 277
(Single Best Answer) Question 2761: The hyperkinetic features of the Huntingtons's disease are due to the loss of ?
A) Nigrostriatal dopaminergic system
B) Intrastriatal cholinergic system
C) GABA-ergic and cholinergic system
D) Intrastriatal GABA-ergic and cholinergic system
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2762: The first reflex response to appear as spinal shock wears off in humans is ?
A) Tympanic reflex
B) Withdrawal reflex
C) Neck righting reflex
D) Labyrinthine reflex
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2763: The maintenance of posture in a normal adult human being depends upon ?
A) Integrity of reflex arc
B) Muscle power
C) Type of muscle fibres
D) Joint movements in physiological range
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2764: Which of the following secretions has a very high pH ?
A) Gastric juice
B) Pancreatic juice
C) Bile in gall bladder
D) Saliva
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2765: Testosterone production is mainly contributed by ?
A) Leydig cells
B) Sertoli cells
C) Seminiferous tubules
D) Epididymis
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2766: Which of the following organs is not involved in calcium homeostasis ?
A) Kidneys
B) Skin
C) Intestines
D) Lungs
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2767: The prime driving force for counter current multiplier system is ?
A) Medullary hyperosmolarity
B) Reabsorption of Na+ in thick ascending limb
C) Action of ADH via aquaporin channels
D) Urea recycling
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2768: The tubuloglomerular feedback is mediated by ?
A) Sensing of Na+ concentration in the macula densa
B) Sensing of Cl- concentration in macula densa
C) Sensing NaCl concentration in the macula densa
D) Opening up of voltage gated Na+ channels in afferent arteriole
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2769: The cell bodies of orexinergic neurons are present in ?
A) Locus coeruleus
B) Dorsal raphe
C) Lateral hypothalamic area
D) Hippocampus
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2770: Intense nihilism, somatization and agitation in old age are the hallmark symptoms of ?
A) Involutional melancholia
B) Atypical depression
C) Somatized depression
D) Depressive stupor
Answer (Select an option above to get the answer):

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