Phasic smooth muscle is abundant in the walls of hollow organs of the digestive system and contract in bursts of contractile activity
Indicate whether the statement is true or false
T
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Skeletal muscle lines hollow organs
Indicate whether the statement is true or false
Which of these combinations represents a convergent pathway in the nervous system?
A) One presynaptic neuron synapses with four postsynaptic neurons. B) One presynaptic neuron synapses with one postsynaptic neuron. C) Three presynaptic neurons synapse with one postsynaptic neuron. D) An afferent neuron synapses with an association neuron. E) Collateral axons from a presynaptic neuron synapse with several postsynaptic neurons.
The posterior "bump" of the elbow is the olecranon of the ulna.
Answer the following statement true (T) or false (F)
If the left corticospinal tract is severed in the neck near the first cervical vertebra,
A. pain impulses from the right side are blocked. B. muscles in the right arm and leg are paralyzed. C. muscles in the left arm and leg are paralyzed. D. pain impulses from the left side are blocked.