Chemical signals released into the blood by neurons are called ________.

Fill in the blank(s) with the appropriate word(s).


neurohormones

Anatomy & Physiology

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Tolerance to drugs that are neurotransmitter agonists is thought to involve increased release of the neurotransmitter in response to the drug.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

The muscle cell's electrical response is turned off by an enzyme in the motor end-plate membrane called ____________________

Fill in the blank(s) with correct word

Anatomy & Physiology

The carotid bodies contain ________ chemoreceptors that respond to changes in ________.

A. peripheral; concentrations of carbon, dust, and pollution in the lungs B. central; blood concentrations of H+, but not CO2 and O2 C. peripheral; cerebrospinal fluid concentrations of H+ D. peripheral; blood concentrations of H+ and O2 E. central; cerebrospinal concentrations of CO2

Anatomy & Physiology

The blood-filled spaces between the layers of the dura mater are called ________.

A. dural sinuses B. meninges C. dural spaces D. ventricles

Anatomy & Physiology