An Isotonic Solution Has

question 24

Multiple Choice

An isotonic solution has:

• A) The same pH as blood
• B) More ions per unit volume than blood
• C) More water per unit volume than blood
• D) Osmotic pressure equal to that of blood

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Definitions:

Inhibitory

Pertaining to a neurotransmitter, neuron, or process that decreases the likelihood of a neuron firing and transmitting its message to other neurons.

Hormones

Chemical messengers produced by glands in the body that regulate physiological processes and behavior.

Endorphins

Natural, pain-relieving chemicals produced by the body that promote a sense of well-being and can reduce pain.

Neurotransmitters

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