<span>From the given observation are the shift of trachea to right and the distending of neck veins and the medical condition of pneumothorax implies that the sounds from the lungs are not heard on the left side of the chest. This is a case of suspicion of malignancy and since it requires immediate attention it must be in secondary stage.</span>
The one which is responsible for transmitting an impulse across a synapse to another cell is the neurotransmitters. It allows the transmission of signals from one neuron to the next across synapses.