Which of the following is considered as chief structural and functional unit of nervous system?
a) nerve
b) neuron
c) neuroglia
d) nephron
Explanation Neurons (nerve cells) are responsible for sending and receiving neurotransmitters chemicals that carry information between brain cells.
Which of the following is/are present in a typical neuron?
a) soma
b) dendrites
c) axons
d) all of these
Which of the following is/are the characteristic property/ies of dendrites?
a) these are extension of cytoplasm
b) these are very thin fibers and have no association of Schwann cells
c) receive information and transmit to cell body
d) all of these
Where the signals from dendrites are collected and pass to axon?
a) soma
b) cell body
c) both a and b
d) none of the above
Which of the following is/are present in the cell body?
a) single nucleus and many mitochondria
b) microtubules and neurofibrils
c) Nissl’s granules
d) all of these
Explanation Nissl’s granules are the collection of group of ribosomes associated with rough ER and Golgi apparatus
Which of the following extends from cell body to the terminal endings and transmits the neural signal to the next neuron?
a) soma
b) dendrites
c) axon
d) all of these
