Lordosis Is

question 8

Multiple Choice

Lordosis is:

• A) a humped curvature of the thoracic spine.
• B) an exaggerated anterior or inward curvature of the lumbar spine.
• C) an inward curvature of the cervical spine.
• D) a lateral curvature of the back.

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Definitions:

Acetylcholinesterase

Enzyme found in the synaptic cleft that causes the breakdown of acetylcholine to acetic acid and choline, thus limiting the stimulatory effect of acetylcholine.

Acetylcholine

A neurotransmitter involved in many functions including muscle contraction and the transmission of nerve impulses in the central and peripheral nervous system.

Synapse

The junction between two neurons, where electrical or chemical signals are transmitted from one neuron to another.

Postsynaptic Membrane

The part of the nerve cell that receives signals from another neuron at a synapse, responding to the neurotransmitters released.