Vasodilation is associated with:
a. increased sympathetic nervous system stimulation
b. increased carbon dioxide and nitric oxide levels
c. increased oxygen levels and myogenic activity
d. decreased nitric oxide levels and increased histamine release
e. decreased carbon dioxide and myogenic activity
b
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Which of the following is NOT a cause of stress?
a. change in diet c. infectious disease b. change in environment d. all of the above cause stress
Action potentials are initiated at the axon hillock region because it has the lowest threshold voltage
Indicate whether the statement is true or false
The gap between the axon terminal of a motor neuron and the sarcolemma of a skeletal muscle cell is called the ________
A) motor unit B) sarcomere C) neuromuscular junction D) synaptic cleft E) cross bridge
Genes that play a role in the regulation of mitosis are called
A. proto-oncogenes. B. apoptogenes. C. oncogenes. D. mutagens. E. basal cells.