Which Statement About CO₂ Is FALSE

question 103

Multiple Choice

Which statement about CO₂ is FALSE?

• A) More CO₂ dissolves in the blood plasma than is carried in the RBCs.
• B) Its concentration in the blood is decreased by hyperventilation.
• C) CO₂ concentrations are greater in venous blood than arterial blood.
• D) Its accumulation in the blood is associated with a decrease in pH.

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Definitions:

Mineralocorticoid

A class of steroid hormones that regulate electrolyte balance and blood pressure, primarily produced by the adrenal glands.

Aldosterone

A steroid hormone that regulates salt and water balance in the body, important for blood pressure control.

Hypothyroidism

A condition in which the thyroid gland does not produce enough thyroid hormone, leading to a slowdown of the body's metabolism.

Cretinism

A chronic condition caused by lack of thyroid secretion during fetal development and early childhood; results in physical and intellectual disability if untreated.