CRNA Board Review Questions And Answers 100% Solved

CRNA Board Review Questions And Answers 100% Solved Phospholipids and Proteins ️️What are the 2 components of a cell membrane? Phospholipids ️️most abundant component of cell membrane on basis of number of molecules Proteins ️️most abundant component of cell membrane on weight basis (50% of the membrane by volume) Nonpolar ions ️️lipophilic, hydrophobic. Examples: O2, isoflurane Polar ions ️️No net charge, but REGIONS or charge. Hydrophilic, liphophobic. Examples: Glucose, H2O. Ions ️️Have a net charge. Examples: Na+ and HCO3- Functions of lipid bilayer ️️A. Serves as barrier to substances that are not small or are not lipid soluble. B. Provides environment in which membrane proteins can function. Example of Exocytosis ️️Neurotransmitters released from nerve terminals Example of Endocytosis ️️Macrophages phagocytize bacteria Example of pinocytosis ️️proteins are reabsorbed from the proximal tubule of the kidney