Zadanie 17
The axons shown are at the same temperature. Which is expected to conduct an action potential most slowly? A. P B. S C. Q D. R
- Materiał graficzny
Factors determining nerve conduction speed
Compare axon diameter and myelination effects and interpret correlations or explained variation in conduction data.
Tę umiejętność sprawdzają 4 zadania wzorowane na arkuszach IB z lat 2022–2025.
Zadania sprawdzające tę umiejętność: 4 Otwórz w wyszukiwarce z filtrami
Zadanie 3c
(i) Calculate the ratio of the overall C-fibre speed to the overall L-fibre speed. (ii) Suggest one reason for the faster C-fibre conduction.
Zadanie 18
Myelinated fibres X,Y,Z conduct at6,45 and95m/s respectively. Which hypothesis could explain Z’s higher speed? A. Z has a much longer total axon B. Z has a larger axon diameter C. Z has the smallest diameter D. Z lacks nodes of Ranvier
Zadanie 24
What is a function of the structure labelled X? A. It increases conduction speed along the axon B. It is the site where every neurotransmitter is released C. It contains the nucleus for the entire neuron D. It reverses the direction of every action potential
- Materiał graficzny