The husband of a patient who is critically ill asks, Why do they keep checking my wife's pH? Isn't knowing her oxygen level enough? What is the best response?
"Many of her body's systems only work properly when her pH is within a narrow range, so we monitor it carefully."
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In its protective role, the blood-brain barrier becomes an obstacle in delivering therapeutic drugs to specific regions of the brain in the treatment of a variety of brain disorders
Describe what the blood-brain barrier is made of, and how different compounds are capable of crossing it.
List four reasons to do a flank laparotomy
What will be an ideal response?
Select the correct statement about veins
a. Their walls are highly muscular. b. Their walls consist of one layer of cells. c. There are only about 40 large ones in the body. d. They serve as a blood reservoir. e. They transport blood away from the heart.
What feature of phospholipids allows them to interact with aqueous cytosol and extracellular fluid, while still presenting a barrier to hydrophilic substances?
A. They are polar molecules. B. They are nonpolar molecules. C. They are lipids. D. They are extremely rigid molecules. E. They are amphipathic molecules.