No S Waves Pass Through the Center of the Earth

question 43

Multiple Choice

No S waves pass through the center of the Earth because:

• A) the crust absorbs all waves.
• B) the outer core is liquid.
• C) S waves travel only through liquids.
• D) S waves are compressional waves.

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Definitions:

Intercostal Retractions

The inward movement of the spaces between the ribs during inhalation, indicating respiratory distress or difficulty breathing.

Horizontal Fissure

A separation or groove on the lung's surface that divides the upper lobe from the middle lobe on the right lung.

Lung Lobes

Divisions in the lungs, with three lobes in the right lung and two in the left, that facilitate respiratory functions.

Posterior Chest

The rear part of the chest, which includes the back of the rib cage and spine area, typically involved in respiratory assessments.