If an Individual Wanted to Hold Their Breath Underwater for a Long

question 23

Multiple Choice

If an individual wanted to hold their breath underwater for a long period of time they would breath very rapidly prior to the dive. What does this accomplish?

• A) They would increase the amount of CO₂ in their bloodstream which would cause them to temporarily stop breathing.
• B) They would decrease the amount of CO₂ in their bloodstream which would cause them to temporarily stop breathing.
• C) They would increase the amount of H⁺ in their bloodstream which would cause them to temporarily stop breathing.
• D) They would decrease the amount of H⁺ in their bloodstream which would cause them to temporarily stop breathing.

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Definitions:

Polarimeter Tube

A component of a polarimeter used to measure the rotation of polarized light as it passes through an optically active substance.

Polarized Light

Light waves in which the vibrations occur in a single plane.

Racemic Mixture

A mixture containing equal amounts of left- and right-handed enantiomers of a chiral molecule, showing no optical activity as a whole.

Enantiomers

Stereoisomers that are mirror images of each other but cannot be superimposed, differing in the configuration around one or more chiral centers.