As an Object Moves Closer to the Eye

question 1

Multiple Choice

As an object moves closer to the eye,

• A) the lens flattens.
• B) the eyes rotate medially.
• C) the ciliary muscles relax.
• D) the diameter of the pupil increases.
• E) the eye blinks.

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Definitions:

Blood CO2 Levels

The concentration of carbon dioxide in the blood, which is critical for maintaining the body's acid-base balance.

Respiratory Variables

Measurements and factors that characterize the functioning of the respiratory system, such as lung volume and breathing rate.

Minute Respiratory Volume (MRV)

This refers to the total volume of gas that is inhaled or exhaled from a person's lungs in one minute.

Expiratory Reserve Volume (ERV)

The extra volume of air that can be expelled with force following a regular, gentle breath out.