54 E. Continuous stimulation of motor neurons by the tetanus toxin generates max

Question

54 E.

Continuous stimulation of motor neurons by the tetanus toxin generates maximum muscle tension given time. This is similar to the normal response known as _____________, where greater muscle tension is generated by activating more motor units to accommodate a heavy external force.

Joe has now had eleven days of therapy with muscle-relaxing drugs, and is showing slow but steady improvement. He continues to have spasms in his neck and back, but they are less severe. Joe's physician feels that he should be able to go home soon, providing he continues to improve over the next few days.

Although he is still symptomatic, it seems as if Joe has avoided the most serious complication of tetanus: respiratory failure. However, even with improvement, he will still need to remain hospitalized for a few days to ensure that his body continues to respond to treatment.

Continuous stimulation of motor neurons by the tetanus toxin generates maximum muscle tension given time. This is similar to the normal response known as _____________, where greater muscle tension is generated by activating more motor units to accommodate a heavy external force.

Explanation / Answer

The ans is recruitment. This refers to the addition of more motor nerves to increase in contractile strength in muscle.

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