In Amyotrophies,the Paresis and Paralysis Are Segmental

question 68

Multiple Choice

In amyotrophies,the paresis and paralysis are segmental.Why is the segmental character of weakness difficult to recognize?

• A) Because upper motor neurons are involved
• B) Because posterior horn cell injury is involved
• C) Because each muscle is supplied by two or more nerve roots
• D) Because the patient is unable to feel the involved muscles

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Definitions:

Energy

The ability to do work, which can be transferred between objects and converted into different forms, such as electrical, thermal, or mechanical.

Pull-up Torque

The minimum torque generated by an electric motor during the acceleration from standstill to the speed where torque is maximum.

Breakdown Torque

The maximum torque a motor can produce when operating at full load, before the motor stalls or overheats.

Locked-rotor

Locked-rotor refers to a condition where the rotor of an electric motor cannot turn despite electrical current being applied, often due to mechanical obstruction or overload.