The PH of Blood Is 7

question 81

Multiple Choice

The pH of blood is 7.35. It is maintained in part by the buffer system composed of carbonic acid (H₂CO₃) and the bicarbonate (hydrogen carbonate, HCO₃⁻) ion. What is the ratio of [bicarbonate]/[carbonic acid] at this pH? For carbonic acid, K_a1 = 4.2 × 10⁻⁷.

• A)[bicarbonate]/[carbonic acid] = 0.11
• B)[bicarbonate]/[carbonic acid] = 0.38
• C)[bicarbonate]/[carbonic acid] = 2.65
• D)[bicarbonate]/[carbonic acid] = 9.4
• E)None of these choices are correct.

Understand the pathophysiology of type II diabetes.

Identify hormones involved in stress response and their physiological effects.

Recognize the role of hormone receptors in cell signaling.

Understand the role of adrenal gland hormones in stress response and metabolism.

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