The chemical agent that initiates impulses in pain fibres is:

Related MCQs

• B nerve fibres transmit impulses of which modality?
• A-alpha nerve fibres transmit impulses of which modality?
• The neurotransmitter secreted by primary afferent fibres for severe pain is:
• Regarding conduction of nerve impulses, which statement is INCORRECT?
• Which of the following does not increase the length of ventricular cardiac muscle fibres?
• Nerve fibres, which is FALSE?
• When the cholinergic vagal fibres to nodal tissues are stimulated:
• B nerve fibres:
• Cardiac muscle fibres:
• In the Erlanger and Gasser classification of nerve fibres: