Sympathetic and Parasympathetic Neurons Generally Release Different Neurotransmitters to Their

question 41

True/False

Sympathetic and parasympathetic neurons generally release different neurotransmitters to their smooth muscle effector cells,which is why these neurons often have antagonistic effects.

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Definitions:

Atomic

Relating to atoms, the smallest constituent unit of ordinary matter that constitutes a chemical element.

Mass Number

The total number of protons and neutrons in an atom's nucleus.

Isotopes

Variants of a particular chemical element that differ in neutron number, and consequently in nucleon number, but have the same number of protons in their nuclei.

Atomic Number

The number of protons found in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.