Sympathetic stimulation of the heart
a. increases the heart rate.
b. increases the contractile strength of the heart muscle.
c. shifts the Frank-Starling curve to the left.
d. two of these answers.
e. all of these answers.
E
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In which nervous system does the synapse of the preganglionic and postganglionic neurons usually occur close to the spinal cord?
a. parasympathetic nervous system b. sympathetic nervous system c. both the parasympathetic and sympathetic nervous systems
More than one ________ combines to increase complexity and promote the level of organization to the organ level.
Fill in the blank(s) with the appropriate word(s).
Posterior to the medial malleolus, the tendons of three muscles travel. In order from anterior to posterior, they are the tendons of the
A) flexor hallucis longus, tibialis posterior, and flexor digitorum longus. B) flexor digitorum longus, tibialis posterior, and flexor hallucis longus. C) flexor digitorum longus, flexor hallucis longus, and tibialis posterior. D) tibialis posterior, flexor hallucis longus, and flexor digitorum longus. E) tibialis posterior, flexor digitorum longus, and flexor hallucis longus.
Ion Channels: open and close in response to physical deformation of receptors
A. Voltage gated B. Leaky C. Chemically Gated D. Mechanically Gated