The percentage of whole blood occupied by red blood cells is the
A) specific gravity.
B) hematocrit.
C) viscosity.
D) pH.
E) differential cell count.
B) hematocrit.
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In ________, activity at an axoaxonic synapse increases the amount of neurotransmitter released when an action potential arrives at the axon terminus
A) presynaptic inhibition B) presynaptic facilitation C) spatial summation D) temporal summation E) spatial facilitation
Lipase:
a. is made in the pancreas b. is stored in the gallbladder c. converts fatty acid and glycerol to fats d. all of the above
The spaces found within the concentric lamellae are called ________, and they contain ________
A) osteons; stem cells B) lacunae; osteocytes C) central canals; osteocytes D) lacunae; osteoclasts E) canaliculi; osteoblasts
A bruise appears as a greenish spot in the skin because
A) hemoglobin has leaked from the blood into the injury and hemoglobin has a green color. B) the heme group in the hemoglobin has broken down into biliverdin. C) bilirubin from iron recycling has built-up in the bruise. D) red blood cells lyse releasing biliverdin from inside. E) dead white blood cells accumulate at the site of injury.