Why Is Strontium-90 an Especially Dangerous Radioactive Isotope

question 15

Multiple Choice

Why is strontium-90 an especially dangerous radioactive isotope?

• A) It has an exceptionally short half-life and rapidly settles to the ground when carried by winds.
• B) It has exceptionally intense radioactivity and is a cause of sudden death in cows.
• C) It is deposited in bones and teeth and is not readily eliminated from the human body.
• D) All of these are correct.

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Definitions:

Neurons

Nerve cells that transmit information through electrical and chemical signals, forming the basic building blocks of the nervous system.

Light Position

The specific location or arrangement of a light source in relation to the subject it illuminates.

NMDA Receptors

Protein complexes in the nervous system that play a key role in synaptic plasticity and memory formation by acting as a receptor for glutamate, an important neurotransmitter.

Postsynaptic

Referring to the region of a neuron that receives and responds to neurotransmitters released from another neuron at a synapse.