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What is the underlying pathophysiology of globus sensation, and which diagnostic tests are commonly used to differentiate it from other conditions?
a) Globus sensation is primarily caused by a psychological disorder, and MRI is the preferred diagnostic test.
b) Globus sensation is the result of an esophageal motility disorder, and esophagogastroduodenoscopy (EGD) is commonly used for diagnosis.
c) Globus sensation is associated with laryngeal hyperactivity, and manometry is the most commonly used diagnostic test.
d) Globus sensation is often related to gastroesophageal reflux disease (GERD), and pH monitoring along with esophagogastroduodenoscopy (EGD) are commonly used for diagnosis.