If a certain individual's phagocytes were non-functioning, what would occur during fracture repair?
A. A hematoma would not be able to form inside the break.
B. Fibrocartilage could not be produced within the gap between the sections of broken bone.
C. The hematoma clot and other damaged tissue would not be cleared from the area during healing.
D. Excess bone tissue would not be removed toward the end of the healing process.
Answer: C
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Which of the following are structures containing sympathetic preganglionic axons that connect the anterior ramus of the spinal nerve with the ganglia of the sympathetic trunk?
a) Lumbar splanchnic nerve b) Greater splanchnic nerve c) Inferior cervical ganglion d) White rami communicantes e) Gray rami communicantes
In order for high force crossbridges to form in contracting skeletal muscle, calcium must
A) bind to troponin which moves the tropomyosin. B) bind to tropomyosin which moves the troponin. C) bind to calmodulin to phosphorylate the myosin. D) phosphorylate the troponin to move the tropomyosin. E) phosphorylate the tropomyosin which moves it.
A decrease in the number of voltage-gated Ca2+ ion channels in the presynaptic terminal would
A. enhance transmission across the synapse. B. reduce or inhibit transmission across the synapse. C. have no effect on transmission across the synapse. D. alter receptors on the postsynaptic membrane. E. increase exocytosis.
Crossed-extensor reflexes, but not stretch reflexes, are important postural reflexes.
Answer the following statement true (T) or false (F)