LD50 Values for Acute Toxicity to Humans Are Extrapolated from Animal

question 23

True/False

LD50 values for acute toxicity to humans are extrapolated from animal tests at measured low-dose exposures.

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Definitions:

Menstruation

The monthly shedding of the uterine lining in females of reproductive age, part of the menstrual cycle.

Synaptic Cleft

The small gap at a synapse between neurons, through which neurotransmitters are released to transmit nerve impulses.

Neurotransmitter

Chemical substances that transmit signals across a synapse from one neuron to another in the nervous system.

Serotonin Transporter

A protein that facilitates the reuptake of serotonin from the synaptic cleft back into the presynaptic neuron, playing a key role in regulating mood.