Neurosis is characterised by

Given below are two statements with respect to the neurotransmitter,dopamine.
Statement-$I$: Degeneration of dopamine-producing neurons causes Parkinson's disease.
Statement-$II$: Dopamine levels increase due to cocaine.
Choose the most appropriate answer from the options given below.

In epilepsy,a seizure is characterized by:

Read the following statements :-
$(A)$ Sympathetic nervous system accelerates heart beat rate.
$(B)$ The junction between the axon of one neuron and the sarcolemma of a muscle is known as a neuromuscular junction,not a synapse.
$(C)$ The midbrain integrates visual,auditory,and tactile inputs.
$(D)$ The limbic system consists of fiber tracts that interconnect different regions of the brain and is primarily involved in the regulation of sexual behavior,expression of emotional reactions,and motivation,rather than controlling movement.
Choose the option from given below which includes correct statements.

Read the following statements.
$I.$ Preganglionic nerve fibres of $III, VII, IX$ and $X$ cranial nerves are a part of the parasympathetic nervous system.
$II.$ $V, VII, IX$ and $X$ cranial nerves are mixed nerves.
$III.$ Trochlear nerves are the largest cranial nerves.
$IV.$ Abducens nerves are motor nerves and originate from the Gasserian ganglia.
Which of the above statements are correct?

The $II$,$III$,$VI$,and $XI$ cranial nerves are . . . . . . respectively.