Order the Steps Involved in the Activity of a Muscle

question 7

Multiple Choice

Order the steps involved in the activity of a muscle spindle:
1) Muscle spindle is stretched.
2) Reflex action occurs.
3) Contraction of muscle fibers adjoining the muscle spindle.
4) Nerve signals are generated.
5) The muscle relaxes.
6) The muscle's length increases.

• A) 1,6,2,4,5,3
• B) 2,3,1,4,5,6
• C) 5,6,1,4,2,3
• D) 2,1,6,3,4,5
• E) 5,1,2,4,3,6

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Definitions:

Convulsions

Involuntary, rapid contractions of muscles which can be a symptom of various medical conditions, including epilepsy and fever.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, which increases heart rate, contracts blood vessels, dilates air passages, and participates in the fight-or-flight response.

Blood Pressure

The pressure of circulating blood on the walls of blood vessels, essential for the circulatory system's functioning.

Appetite

The natural desire to satisfy bodily needs, especially for food.