Chapter_13.bnk

Front

Which protein is NOT involved in the active process of muscle contraction? Options: Myosin, Actin, Tropomyosin, Troponin, Titin

Back

Titin

Front

Continuous prolonged immobilization of skeletal muscle in a shortened position results in which of the following?

Back

Contracture from loss of sarcomeres

Front

Which one of the following produces weak actin-myosin bonding?

• Active muscle contraction
• Muscle immobility
• Physiologic contracture
• Active contraction in lengthened muscles
• Reflexive muscle contraction

Back

Muscle immobility

Front

What is the purpose of alpha-gamma coactivation?

Back

Maintains muscle spindle sensitivity when extrafusal muscle fibers contract

Front

Phasic stretch reflex is synonymous with which terms?

Back

Myotatic reflex and deep tendon reflex

Front

Reciprocal inhibition produces inhibition of the alpha motor neurons to which of the following?

Back

Antagonist muscle

Front

The role of Golgi tendon organs (GTOs) in movement is to

Back

adjust muscle contractions, together with other proprioceptive inputs and motor signals from the brain.

Front

Which of the following statements about fast twitch muscle fibers is true?

Back

The neuron innervating the muscle determines twitch characteristics and alpha motor neurons with large-diameter axons innervate fast twitch muscle fibers.

Front

Which of the following is true about stepping pattern generators (SPGs)?

Back

All of these options

Front

Which involuntary muscle contraction is always abnormal?

Back

Fibrillations