At Physiological PH of 7

question 19

Multiple Choice

At physiological pH of 7.4,which one of the following contributes most to the total serum CO₂ (think about the equilibrium of the reaction in the formula) ?

• A) Dissolved CO₂
• B) Carbaminohemoglobin
• C) HCO₃^-
• D) Carbonic acid

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Definitions:

Venom

A toxic substance secreted by animals, such as snakes and spiders, often used to immobilize or kill prey and for defense.

Stingrays

Marine cartilaginous fish known for their flat bodies and long, whip-like tails equipped with venomous stingers, used for defense.

Spearlike Point

A sharp, pointed tool or weapon designed for thrusting or throwing, typically narrow and elongated.

Anthropoids

A subgroup of primates that includes monkeys, apes, and humans, characterized by higher brain proportions and more complex behaviors.