________ release during inflammation causes increased blood vessel permeability.
A) Elastin
B) Histamine
C) Fibroblast
D) Fibrillin
E) Collagen
B) Histamine
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The triangular area within the urinary bladder that is delimited by the openings of the ureters and the urethra is called the __________
Fill in the blank with correct word.
The functional unit of skeletal muscle is ________.
A. myosin B. a sarcomere C. sarcolemma D. a motor unit
One cause of spastic paralysis might be
A. destruction of synaptic vesicles. B. inhibition of acetylcholinesterase. C. inhibition of acetylcholine molecules. D. increase in the amount of acetylcholinesterase. E. blockage of acetylcholine receptors.
A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in
A) no change in vessel diameter. B) a decrease in vessel diameter. C) oscillation in vessel diameter. D) a decrease in blood flow through the vessel. E) an increase in blood flow through the vessel.