Autoimmune diseases are an example of a(n) ________ response by the immune system.
A) incorrect
B) lack of
C) overactive
D) None of the answers are correct.
A) incorrect
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The blood-brain barrier is made up of
A. astrocyte perivascular feet and the falx cerebri. B. astrocyte perivascular feet and capillary endothelial cells. C. microglial extensions and capillary endothelial cells. D. astrocyte extensions and dural sinuses. E. ependymal cells and venous blood vessels.
When blood pressure increases, the kidneys excrete more salts and water in the urine which decreases blood volume and thus decreases blood pressure
Indicate whether the statement is true or false.
Kidneys are often difficult to see without dissection because they are surrounded by a layer of fat. What is the significance of this fat?
A) It provides cushioning or padding for protection from sudden jolts or other injuries. B) There is no special significance; this fat stores energy as do other fat deposits in the abdominal cavity. C) This fat cools the kidneys during active filtration. D) It expands for storage of additional urine once the bladder is full; it acts as a sponge. E) None of the answers are correct.
Medicines that overstimulate respiratory centers in the brain lead to
A. metabolic alkalosis. B. respiratory alkalosis. C. metabolic acidosis. D. respiratory acidosis.