Which Frequency Is a Harmonic of 60 Hz

question 3

Multiple Choice

Which frequency is a harmonic of 60 Hz?

• A) 10 Hz
• B) 30 Hz
• C) 90 Hz
• D) 180 Hz

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Definitions:

Excitatory Neurotransmitter

A type of neurotransmitter that promotes the generation of an electrical signal called an action potential in receiving neurons.

Serotonin Transporter

A protein that facilitates the reuptake of serotonin from the synaptic cleft back into the presynaptic neuron.

Neuromodulator

A type of chemical messenger released from neurons in the brain to signal other neurons, modifying their activities and influencing many bodily functions.

Synaptic Cleft

The small gap at the synapse between neurons, through which neurotransmitters are sent to communicate signals.