Which of the following statements is true regarding the Nodes of Ranvier?

What are the Nissl's granules of a neuron composed of?

The largest cell in the human body is:

Choose the correct statements about Nissl's granules from the codes given below:
$I.$ There are regular masses of ribosomes
$II.$ There are irregular masses of ribosomes and $ER$
$III.$ There are granular bodies
$IV.$ They synthesise proteins in the cell

The cerebral cortex has which type of neurons?

Given $A$ = Axon,$D$ = Dendrite,$S$ = Synapse,and $CB$ = Cell Body,what is the correct sequence of structures for the reception and conduction of a nerve impulse?