During synaptic transmission of nerve impulse, neurotransmitter (P) is released from synaptic vesicles by the action of ions (Q). Choose the correct P and Q.

• P - Acetylcholine;  Q - Ca²⁺

• P - Acetylcholine; Q - Na⁺

• P - GABA; Q - Na⁺

• P - Cholinesterase; Q - Ca²⁺

Among the following characteristics, indicate the correct combination applicable to conditional reflex.

I. Acquired by practice or learning

II. Non acquired by birth.

III. Does not abolish by lack of practice

IV. Participation of cerebral cortex

V. Originates spontaneously

• I, II and III

• I, II and IV

• I and IV

• II, III and V

Which centre is stimulated during increase in body temperature?

• Anterior hypothalamus

• Posterior hypothalamus

• Limbic system

• Red nucleus

Which of the following substances can cure Parkinson's disease?

• GABA

• Acetylcholine

• Dopamine

• Glutamic acid

Identify the origin of sympathetic nerve fibres and the location of their ganglia.

• They arise from thoracolumbar region of spinal cord and form ganglia just beside the vertebral column

• They arise from thoracocervical region of spinal cord and form ganglia just beside the vertebral column

• They arise from cranio-sacral region of spinal cord and from ganglia very close to effector organ

• They arise from thoracolumbar region of spinal cord and form ganglia very close to effector organ

The number of spinal nerves in human is

• 10 pairs

• 12 pairs

• 43 pairs

• 31 pairs

Which function will be lost due to damage of occipetal lobe?

• Hearing

• Speech

• Vision

• Memory

Third and fourth ventricles of the brain are connected by

• aqueduct of Sylvious

• foramen of Monro

• foramen of Magnum

• corpus callosum

Movement of tongue muscle is controlled by

• facial nerve

• trigeminal nerve

• hypoglossal nerve

• vagus nerve

Vegus nerve is a

• mixed X cranial nerve

• mixed XI cranial nerve 

• mixed X thoracic nerve

• sensory X cranial nerve