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(Single Best Answer) Question 81: Nitrogen narcosis is caused due to ?

A) Increased susceptibility of neurons for nitrogen
B) Nitrogen inhibits dismutase enzyme
C) Decrease in oxygen free radicals
D) Increased production of nitrous oxide
Answer (Select an option above to get the answer):

(Single Best Answer) Question 82: Weber Fechner Law ?

A) Magnitude of sensation felt depends on the intensity of the stimulus
Answer (Select an option above to get the answer):

(Single Best Answer) Question 83: Mean circulating filling pressure defines ?

A) CVP and Peripheral arterial pressure
Answer (Select an option above to get the answer):

(Single Best Answer) Question 84: Maximum postprandial contraction occurs in ?

A) Small intestine
Answer (Select an option above to get the answer):

(Single Best Answer) Question 85: CSF pressure depends primarily on ?

A) Rate of CSF absorption
B) Rate of formation from the choroid plexus
C) Cerebral blood flow
D) Blood pressure
Answer (Select an option above to get the answer):

(Single Best Answer) Question 86: Vagal stimulation of heart causes ?

A) Increased R-R interval
B) Increased Heart Rate
C) Increased Cardiac Output
D) Increased Force of Contraction
Answer (Select an option above to get the answer):

(Single Best Answer) Question 87: Cells present in Cerebral cortex are all except ?

A) Bipolar cells
B) Purkinje cells
C) Golgi cells
D) Granule cells
Answer (Select an option above to get the answer):

(Single Best Answer) Question 88: Presynaptic inhibition is due to ?

A) Hyperpolarization of presynaptic membrane
Answer (Select an option above to get the answer):

(Single Best Answer) Question 89: Circadian rhythm is controlled by ?

A) Superchiasmatic nuclei
B) Median eminence
C) Paramedian nuclei
D) Supraoptic nuclei
Answer (Select an option above to get the answer):

(Single Best Answer) Question 90: Golgi tendon detects ?

A) Muscle tension
Answer (Select an option above to get the answer):