When Measuring Intracellular Calcium Levels of Leech Retzius Neurons, High-Frequency

question 49

Multiple Choice

When measuring intracellular calcium levels of leech Retzius neurons, high-frequency stimulation (e.g. 20 Hz) of the neuron

• A) leads to a later, slower peak than low-frequency stimulation.
• B) produces a jagged, shark-tooth pattern with low peaks.
• C) leads to a faster, higher peak concentration than low-frequency stimulation.
• D) produces a gradual, roughly linear increase in concentration.
• E) has no measurable effect on calcium concentration.

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