Signs are subjective perceptions reported by patients

a. True
b. False

b

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Which of the following are used to diagnose GER? 1. Esophageal pH testing 2. Chest radiograph 3. Upper GI contrast studies 4. Gastric scintiscanning

a. 1 only b. 1, 2, and 3 only c. 1 and 3 only d. 1, 3, and 4 only

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Which of the following needle gauges has the smallest diameter?

A) 19 B) 20 C) 21 D) 23

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