When the Partial Pressure of O₂ in Venous Blood Is

question 19

Multiple Choice

When the partial pressure of O₂ in venous blood is 30 torr,the saturation of myoglobin with O₂ is ______ while the saturation of hemoglobin with O₂ is ______.

• A)0)55,0.91
• B)0)91,0.55
• C)2)8 torr,26 torr
• D)0)91,0.97
• E)none of the above

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Definitions:

G-Protein Complex

A molecular switch that plays a critical role in transmitting signals from external stimuli to initiate internal cellular responses.

Protein

Essential nutrients for the human body used in every cell for structural, functional, and regulatory processes.

Channel Proteins

Proteins embedded in cell membranes that facilitate the transport of ions and molecules across the membrane in a process essential for various cellular functions.

Endoplasmic Reticulum

A network of tubular membranes within the cytoplasm of the cell, involved in the production, processing, and transport of proteins and lipids.