A Patient with an Irregular Sinoatrial (SA)node Conduction Has a Permanent

question 18

Multiple Choice

A patient with an irregular sinoatrial (SA) node conduction has a permanent pacemaker with the code AAIOO and is now going home.The patient asks, "What happens when my real SA node fires on its own?" How should the nurse respond regarding what the pacemaker should do?

• A) Not fire
• B) Fire only the ventricles
• C) Change the rate of firing
• D) Fire both the atria and the ventricles.

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Definitions:

Axosynaptic Synapses

Junctions where the axon terminal of one neuron communicates with the synapse of another neuron by releasing neurotransmitters.

Lipid Transmitters

Lipid-based molecules that serve as signaling agents in the nervous system, influencing various physiological processes such as emotion, pain, and memory.

Endocannabinoids

Naturally produced molecules in the body that bind to cannabinoid receptors, influencing various physiological processes including appetite, pain-sensation, mood, and memory.