Which of the Following Is the Normal Sequence of Signal

question 16

Multiple Choice

Which of the following is the normal sequence of signal conduction in the human heart?

• A) neural and chemical messengers -AV node -atria -SA node -ventricles
• B) neural but not chemical messengers -AV node -ventricles -SA node - atria
• C) neural and chemical messengers -ventricles -SA node -atria -AV node
• D) neural and chemical messengers -SA node -atria -AV node -ventricles
• E) chemical but not neural messengers -atria -SA node -ventricles -AV node

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Definitions:

Korotkoff Phase

Sounds heard over an artery when blood pressure is measured, used to identify systolic and diastolic pressures.

Rectal Temperature

A method of measuring body temperature by inserting a thermometer into the rectum, providing a highly accurate reflection of the body's core temperature.

Apnea

A temporary cessation of breathing, particularly during sleep, which can lead to serious health issues.

Core Temperature

The temperature of the internal environment of the body, which is closely regulated and necessary for proper physiological functioning.