Select the Correct Sequence of Events That Occur During Inspiration

question 15

Multiple Choice

Select the correct sequence of events that occur during inspiration.

• A) Internal intercostals and diaphragm contract, size of thoracic cavity increases, gas pressure in the lungs decreases, air flows in.
• B) External intercostals and diaphragm contract, size of thoracic cavity increases, gas pressure in the lungs decreases, air flows in.
• C) Internal intercostals and diaphragm contract, gas pressure in the lungs decreases, size of thoracic cavity increases, air flows in.
• D) External intercostals and diaphragm contract, size of thoracic cavity increases, gas pressure in the lungs increases, air flows in.

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Definitions:

Vitreous Humor

A transparent, gel-like substance filling the space between the lens and the retina of the eye, helping it maintain shape and optical properties.

Cornea

The clear, dome-shaped surface that covers the front of the eye and contributes to the eye's focusing power.

Sclera

The tough protective outer layer of the eye, contributing to the eye's structural integrity and being crucial for vision.

Mechanoreceptor

A sensory receptor that responds to mechanical pressure or distortion, involved in senses like touch and hearing.