Question at position 65 Skeletal muscle is considered voluntary because it cannot perform actions subconsciously.TrueFalse

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Question restatement: Skeletal muscle is considered voluntary because it cannot perform actions subconsciously. True or False.
Option 1: True. This claim asserts that skeletal muscle is always under conscious control and cannot operate without conscious input. In reality, while skeletal muscle is primarily voluntary and governed by somatic motor neurons, it can still be activated without conscious thought through reflex pathways. For example, spinal reflexes involve skeletal muscles contracting in response to a stimulus without cortical processing. Therefore, describing skeletal muscle as never performing actions subconsciously is inaccurate.
Option 2: False. This choice accurately captures the nuance that skeletal muscles are voluntary in the sense that we typically control them consciously, but they also participate in reflexive actions that do not require conscious initiation. The existence of reflex arcs demonstrates that subconscious (unconscious) activation of skeletal muscles is possible, which makes the blanket statement in option 1 incorrect.
In summary, the statement in option 1 mischaracterizes skeletal muscle control by ignoring reflexive, subconscious activations, while option 2 correctly acknowledges both the voluntary aspect and the subconscious capabilities through reflexes.

Question at position 65 Skeletal muscle is considered voluntary because it cannot perform actions subconsciously.TrueFalse

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Question at position 65 Skeletal muscle is considered voluntary because it cannot perform actions subconsciously.TrueFalse

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Antagonists muscle group: A to B: EJ __extenders __ B to A: EJ __ extenders __ Antagonists are passively __ lengthening __ from A to B and passively __shortening __ from B to A.

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Which of the following best describes the function of the sarcoplasmic reticulum in skeletal muscle fibers?

Question at position 38 Why is the regulation of calcium in the sarcoplasm important for muscle function?To enhance the muscle's ability to relaxTo increase the availability of oxygen to the muscle fibersTo prevent muscle contraction from becoming too slowTo avoid abnormal muscle contraction

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