In an ECG Pattern,the P Wave Is Caused by

question 92

Multiple Choice

In an ECG pattern,the P wave is caused by

• A) repolarization of the atrial muscle fibers.
• B) repolarization of the ventricular muscle fibers.
• C) depolarization of atrial muscle fibers.
• D) depolarization of ventricular muscle fibers.
• E) none of the above.

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Definitions:

Bronchioles

Small airways in the lungs that stem from the bronchi, leading to alveolar ducts and eventually to alveoli, where gas exchange occurs.

Urinary Bladder

A muscular sac in the pelvis, just above and behind the pubic bone, that stores urine before it is excreted from the body.

Preganglionic Neuron

A preganglionic neuron is a nerve cell that projects from the central nervous system to a ganglion, part of the autonomic nervous system, where it synapses with postganglionic neurons.

Somatic Motor System

The part of the central and peripheral nervous system involved in the voluntary control of body movements via skeletal muscles.