Preganglionic sympathetic fibers originate from the

a. Paravertebral ganglia
b. Brainstem and cervical spinal cord
c. Brainstem and sacral spinal cord
d. Thoracic and lumbar spinal cord

d

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The rules or standards that govern the conduct of members of a particular group or profession are called _______________________

Fill in the blank(s) with correct word

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What is the most common cause of hemothorax?

a. Chest trauma b. Malignancy c. Pulmonary embolism d. Surgery

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