A Hollow, Flexible Tube That Can Be Inserted into a Vessel

question 137

Multiple Choice

A hollow, flexible tube that can be inserted into a vessel, organ, or body cavity is a:

• A) catheter.
• B) lithotrite.
• C) laparoscope.
• D) stent.

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Definitions:

Excitatory Effect

A response in which a neurotransmitter increases the likelihood that a neuron will fire an action potential.

Receiving Neuron

A neuron that receives signals from other neurons through its dendrites.

Neurotransmitters

Chemical messengers that transmit signals across synapses from one neuron to another, influencing numerous bodily and mental functions.

Synaptic Vesicles

Small sacs within a presynaptic neuron that store neurotransmitters, which are released into the synaptic cleft to transmit signals to a postsynaptic cell.