1. The “all-or-none law” of nerve conduction states that:
2. Saltatory conduction is characterized by:
3. According to the Erlanger and Gasser classification, which nerve fibers have the fastest conduction velocity?
4. The absolute refractory period is primarily caused by:
5. In the context of nerve excitability, what is Chronaxie?
6. Wallerian degeneration refers to the process where:
7. Which of the following factors would INCREASE the conduction velocity of a nerve fiber?
8. C fibers are responsible for transmitting which type of sensation?
9. The myelin sheath in the peripheral nervous system (PNS) is formed by:
10. A compound action potential recorded from a whole nerve is graded (not all-or-none) because:
11. Local anesthetics like lidocaine exert their effect by:
12. Which of the following conditions increases nerve excitability by lowering the threshold for action potential generation?
13. The phenomenon where a nerve fiber shows a diminished response to a prolonged, constant stimulus is known as:
14. Rheobase is defined as the minimum:
15. The propagation of an action potential in an unmyelinated axon is best described as:
16. A-delta (Aδ) fibers are primarily associated with the sensation of:
17. During the relative refractory period, a second action potential can be generated, but it requires:
18. The nodes of Ranvier are critical for saltatory conduction because they:
19. Which statement accurately describes B fibers?
20. The strength-duration curve illustrates the relationship between:
21. The property of a nerve fiber to transmit an impulse along its entire length without any change in its properties is called:
22. Nerve fibers are considered ‘indefatigable’ primarily because:
23. In the CNS, regeneration of axons after injury is severely limited, partly due to:
24. The rapid depolarization phase of the action potential in a neuron is caused by the influx of which ion?
25. A lower chronaxie value for a nerve indicates:
