All of the following statements regarding the blood–brain barrier are true EXCEPT:
A) Highly lipid-/fat-soluble molecules such as barbiturates rapidly cross through the BBB into the brain.
B) Large molecules do not easily pass through the BBB.
C) Highly electrically charged molecules speed up across the BBB.
D) Hypertension can open up the BBB.
C
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Which solution causes a red blood cell to lose water, causing the cell to shrink and dehydrate?
A) Hypertonic B) Hypotonic C) Isotonic D) Crenatonic
Your patient is receiving ECMO and requires frequent medications. IV access is limited. The physician asks for your recommendations on ways to improve the ease of medication delivery. What would you suggest?
a. Establish intraosseous (IO) access. b. Deliver the medications down the endo-tracheal tube. c. Utilize the infusion ports along the tubing. d. Aerosolize the medications.