Klumpke's paralysis is the result of which of the following?
A. Avulsion of the C5 to C6 ventral roots
B. Mechanical irritation of the C7 to C8 dorsal roots
C. Traction force applied to the cervico-occipital region
D. Lesion of the dorsal root ganglion because of a herniated disk
E. Avulsion of the C8 through T1 motor nerve roots
ANS: E
Rationale: Traction on the abducted arm can cause avulsion of the motor roots of C8 and T1, resulting in Klumpke's paralysis. Loss of lower motor neuron output from the C8 and T1 spinal levels results in paralysis and atrophy of the hand intrinsic muscles and the long flexors and extensors of the fingers.
You might also like to view...
____ is the science focusing on how the mind affects the immune system and physical condition.
A. Psychoneuroimmunology B. Homeostasis C. Yoga D. Biofeedback training
Which condition is commonly known as bed-wetting?
A) ?enuresis B) ?nocturia C) ?nocturnal enuresis D) ?myoclonus
Explain what is meant by children learning to strike with a racket or paddle must coordinate many skills into one.
What will be an ideal response?
Obesity and diabetes are risk factors for gallbladder disease
Indicate whether the statement is true or false