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Mcqs MBBS Exams
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AIPGMEE 2005
(Single Best Answer) Question 1: The first physiological response to high enviornmental temperature is ?
A) Sweating
B) Vasodilation
C) Decreased heat production
D) Non-shivering thermogenesis
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2: All of the following factors normally increase the length of the ventricular cardiac muscle fibres except ?
A) Increased venous tone
B) Increased total blood volume
C) Increased negative intrathoracic pressure
D) Lying-to-standing change in posture
Answer (Select an option above to get the answer):
(Single Best Answer) Question 3: The vasodilatation produced by carbondioxide is maximum in one of the following ?
A) Kidney
B) Brain
C) Liver
D) Heart
Answer (Select an option above to get the answer):
(Single Best Answer) Question 4: Which one of the following statements is true regarding water reabsorption in the tubules ?
A) The bulk of water reabsorption occurs secondary to Na+ reabsorption
B) Majority of facultative reabsorption occurs in proximal tubule
C) Obligatory reabsorption is ADH dependent
D) 20% of water is always reabsored irrespective of water balance
Answer (Select an option above to get the answer):
(Single Best Answer) Question 5: Urinary concentrating ability of the kidney is increased by ?
A) ECF volume contraction
B) Increase in RBF
C) Reduction of medullary hyperosmolarity
D) Increase in GFR
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(Single Best Answer) Question 6: Distribution of blood flow is mainly regulated by the ?
A) Arteries
B) Arterioles
C) Capillaries
D) Venules
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(Single Best Answer) Question 7: In which of the following a reduction in arterial oxygen tension occurs ?
A) Anaemia
B) CO poisoning
C) Moderate exercise
D) Hypoventilation
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(Single Best Answer) Question 8: Neuronal degeneration is seen in all of the following except ?
A) Crush nerve injury
B) Fetal development
C) Senescence
D) Neuropraxia
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(Single Best Answer) Question 9: With which one of the following Lower motor neuron lesions are associated ?
A) Flaccid paralysis
B) Hyper stretch reflex
C) Spasticity
D) Muscular incoordination
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(Single Best Answer) Question 10: Aspermia is the term used to describe ?
A) Absence of semen
B) Absence of sperm in ejaculate
C) Absence of sperm motility
D) Occurence of abnormal sperm
Answer (Select an option above to get the answer):