14 Questions
Which cranial nerve is responsible for motor control of the chewing muscles?
Facial
Which cranial nerve is associated with sensation of taste and motor control of facial expressions?
Glossopharyngeal
Which cranial nerve is responsible for motor control of neck and upper back?
Accessory
Which cranial nerve is associated with sensation in eyes, nose, forehead, and structures of the mouth?
Trigeminal
Which cranial nerve is responsible for motor control of the lateral movement of the eye?
Abducens
Which cranial nerve is associated with balance and hearing?
Vestibulocochlear
How is the resting membrane potential of a neuron established?
By an excess of positive charges on the outside and negative charges on the inside
What is the potential difference across the cell membrane called?
Membrane potential
What is the average resting potential of a neuron in volts?
-70mV
Which ion plays a key role in establishing and maintaining the resting membrane potential?
Potassium ion (K+)
What is the main mechanism responsible for maintaining the resting membrane potential?
Sodium-potassium exchange pump
What type of propagation occurs in myelinated neurons where the action potential 'jumps' from one node of Ranvier to the next?
Saltatory propagation
What are the electrical events that occur through the membrane surfaces of neurons and other cells?
Membrane potentials
What creates a potential difference across the cell membrane, measured in volts?
Uneven distribution of ions inside and outside the cell
Test your knowledge of the functions and locations of the cranial nerves with this quiz. Identify the sensor receptors, motor controls, and sensations associated with each cranial nerve.
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