Myasthenia gravis is an autoimmune disorder in which the immune system attacks and destroys acetylcholine receptors.
Answer the following statement true (T) or false (F)
True
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Cells and transport proteins are physically prevented from passing through the filtration membrane. This has the following effect on filtration
A) decreased osmotic pressure in the filtrate that increases the amount of filtration B) increasing osmotic pressure in the glomerular capillaries that reduces the amount of filtration C) neutral change in osmotic pressure with no effect on filtration D) increased osmotic pressure in the filtrate the draws plasma through the membrane
Which of the following are cells of the alveoli that produce surfactant?
a) Type I alveolar cells b) Type II alveolar cells c) Type III alveolar cells d) Surface cells e) Macrophages
____________ provide(s) both structural support and the enzymes needed to make proteins from amino acid building blocks.
A) peroxisomes B) Golgi apparatus C) ribosomes D) mitochondria
Cyanide poisoning prevents the production of ATP. If ATP were not available to drive the sodium-potassium pump, which of the following is most likely?
A)K+ concentrations inside the cell will increase causing hyper polarization. B)Na+ concentration inside the cell will decrease causing depolarization. C)Na+ will leak back into the cell and bring water with it causing cells to burst. D)The voltage of the membrane will be unchanged.