Which of the Following Is True of Hygroscopic Crystals

question 10

Multiple Choice

Which of the following is true of hygroscopic crystals?

• A) They are anhydrous crystals that become hydrated upon standing in air.
• B) They are hydrated crystals that become anhydrous upon standing in air.
• C) They are anhydrous crystals that continue to remain the same even when exposed to air.
• D) They are hydrated crystals that continue to remain the same even when exposed to air.

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Definitions:

Neurotransmitter

A chemical within the vesicles of the synaptic knob that is released into the postsynaptic structures when a nerve impulse reaches the synaptic knob.

Synaptic knob

The expanded region at the end of an axon terminal, where neurotransmitters are released to communicate with other neurons or muscle cells.

Interneuron

A type of neuron that communicates only with other neurons, typically found within the central nervous system and plays a role in reflexes and neuronal circuits.

Arachnoid mater

A delicate membrane that is one of the three layers (meninges) surrounding the brain and spinal cord, providing protection.