If a person is extremely stressed by the behavior of a colleague, this would mean what??
A) ?The parasympathetic system is dominant.
B) ?The sympathetic system is dominant.
C) ?The central nervous system is dominant.
B
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A functional syncytium
a. refers to a pair of antagonistic muscles that function together to move a joint in two opposite directions. b. can be excited to contract as a unit because action potentials can be conducted from one cell to adjacent cells through gap junctions. c. refers to the functional junction between a smooth muscle fiber and an autonomic nerve ending. d. more than one of these. e. none of these answers.
Which of the following body fluids does not help to digest food?
a. Stomach b. Bile c. Pancreatic d. Peritoneal e. Salivary
Which of the following increases with age?
A. Flexibility of the thoracic cage B. Susceptibility to infection C. Tidal volume D. Pulmonary ventilation
Neurotransmitters are released upon stimulation from a nerve impulse from the ________
A) myofibrils B) sarcoplasmic reticulum C) thick filaments D) axon terminals of the motor neuron E) sarcolemma of the muscle cell