Which of the Following Statements Is FALSE

question 77

Multiple Choice

Which of the following statements is FALSE?

• A)Synaptic input onto skeletal muscle cells is always excitatory,whereas inputs to smooth muscle cells may be either excitatory or inhibitory.
• B)A single smooth muscle cell may be innervated by both a sympathetic neuron and a parasympathetic neuron.
• C)Contractile activity of smooth muscle cells does not normally require Ca²⁺.
• D)In the absence of any neural input,skeletal muscle cannot generate tension.
• E)Ca²⁺ that activates contraction of smooth muscles can come from either the ECF or from the sarcoplasmic reticulum.

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