1271. Which of the following chemical substances causes bitter taste sensation :

A. Sodium Ions
B. Hydrogen Ions
C. Glutamate
D. Alkaloids *

1272. Which of the following characteristics is found in slow wave sleep :

A. Temporary rise in blood pressure
B. Increased metabolic rate
C. Increased respiratory rate
D. High frequency and low amplitude wave *

1273. Brochas area 41 represents which of the following regions of brain :

A. Angular gyms
B. Primary visual cortex
C. Primary auditory cortex *
D. Speech area

1274. Slow chronic pain is transmitted through which of following types of nerve fibers :

A. A
B. Asat
C. As *
D. B

1275. Vagus escape is mediated by:

A. Brain Bridge reflex *
B. Cross extension reflex
C. Stretch reflex
D. Triple response

1276. The light reflex is integrated in which part of the brain :

A. Midbrain *
B. Frontal eye field
C. Medullar oblongata
D. Medial Gniculate body

1277. Transmission of most signals in the retinal neurons occur by :

A. Depolarization
B. Hyperpolarization
C. Action potential
D. Electrotonic conduction *

1278. Lateral inhibition is the characteristic function of which of the following retinal neurons :

A. Amacrine cells
B. Bipolar cells
C. Ganglionic cells
D. Horizontal cellls *

1279. Vitamin A is a precursor for the synthesis of :

A. Somatostatin
B. Retinen 1 *
C. The pigment of the iris
D. Scotopsin

1280. Motor Aphasia is a condition in which there is non fluent speech , but coprehension is well preserve which area of Broc’as series is defective in this case :

A. 04
B. 14
C. 24
D. 44 *