In __________ capillaries the endothelial cells are separated by intercellular clefts.
Fill in the blank(s) with the appropriate word(s).
continuous
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The formed elements in the blood are
A. mostly white blood cells. B. mostly platelets. C. about equal numbers of red blood cells, white blood cells, and platelets. D. mostly red blood cells.
Which of the following statements is NOT TRUE?
A. Carbonic anhydrase is released from RBCs during hyperventilation B. Hyperventilation increases blood pH C. Increased pCO2 stimulates chemoreceptor reflex to activate the inspiratory area D. Hypoventilation decreases blood pH
In an ELISA, which statement is true of the substrate?
A) It is the molecule that the secondary antibody binds to. B) It is the last molecule added. C) It is the molecule that the primary antibody binds to. D) It is the molecule that enzyme attaches to.
After consuming a carbohydrate rich meal, insulin is released by the pancreas to lower serum glucose levels. when serum glucose levels have returned to normal the secretion of insulin is inhibited. this is an example of which feedback mechanism?
a) positive feedback inhibition b) neutral feedback inhibition c) negative feedback inhibition d) parallel after discharge inhibition