The Electrical Activity of the Heart Is Initiated in Specialized

question 32

Short Answer

The electrical activity of the heart is initiated in specialized tissue called the __________, which is located in the superior-posterior wall of the right atrium.

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Definitions:

Pubic Bone

The pubic bone is part of the pelvis and is located at the front of the pelvic girdle, playing a key role in supporting the lower abdomen.

Hyperresonance

An abnormal loud sound heard over a hyperinflated area during percussion, indicative of conditions like emphysema.

Tympany

A medical term referring to a hollow, drum-like sound produced during percussion of a body part, often indicative of air in the abdominal cavity.

Percussion Notes

Sounds produced by tapping on the surface of the body, used in medical examination to assess the condition of the thorax or abdomen.