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.

---

Definitions:

Discrete Probability

The mathematical study of probability where the outcome is determined from a set of distinct, separate values.

Queuing Theory

A body of knowledge about waiting lines.

Little's Law

A principle in queuing theory stating that the long-term average number of customers in a stable system L is equal to the long-term average effective arrival rate, λ, multiplied by the average time a customer spends in the system, W (L = λW).

Poisson Distribution

The Poisson Distribution is a statistical distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space if these events occur with a known constant mean rate and independently of the time since the last event.