Which of the Following Statements Regarding Skeletal Muscle Is TRUE

question 21

Multiple Choice

Which of the following statements regarding skeletal muscle is TRUE?

• A)Skeletal muscle fibers have pacemaker activity.
• B)Skeletal muscle fibers are joined together by gap junctions.
• C)A given skeletal muscle fiber will contract when excitatory nervous stimuli sufficiently exceed inhibitory nervous stimuli at the motor end plate.
• D)A given skeletal muscle fiber will contract if excitatory synaptic inputs sufficiently exceed inhibitory synaptic inputs on the motor neuron that innervates that fiber and the motor neuron fires an action potential.
• E)Skeletal muscle contraction is inhibited by inhibitory motor neurons that synapse onto skeletal muscle fibers.

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Definitions:

Confirmation Bias

The inclination to seek out, understand, prefer, and remember data in a manner that affirms an individual's existing notions or assumptions.

Self-Serving Bias

A cognitive bias that causes individuals to attribute their successes to internal or personal factors while attributing failures to external or situational factors.

Aversive Prejudice

Subtle, often unconscious prejudice that manifests in avoidance of certain groups or individuals, without overt hostility or hatred.

Stereotypes

Oversimplified generalized ideas about a group of people that often do not reflect reality and can result in unfair assumptions.