Which of the Following Is Not True Regarding Paradoxical Motion

question 6

Multiple Choice

Which of the following is not true regarding paradoxical motion of the rib cage during breathing?

• A) Paradoxical movement of the rib cage is the result of an unstable segment.
• B) Acute muscle spasm will exacerbate paradoxical rib motion.
• C) Fatigue of the intercostal muscles will cause paradoxical rib motion to become exaggerated.
• D) All of the above

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Definitions:

σ Bonds

The strongest type of covalent chemical bond, formed by the head-on overlapping of atomic orbitals.

Compound

A substance made up of two or more elements chemically bonded together in a fixed ratio.

Resonance Form

One of two or more Lewis structures for a molecule that differ only in the position of electrons, not the position of nuclei.

Hybridization

A model explaining the bonding structure of molecules based on the mixing of atomic orbitals into new hybrid orbitals.