After a Bronchoscopic Examination,the Patient Must Remain NPO (Nothing by Mouth)until

After a bronchoscopic examination,the patient must remain NPO (nothing by mouth) until the return of the gag reflex.How can the nurse determine when the gag reflex has returned?

A) Ask the patient to swallow.
B) Give the patient a sip of water.
C) Touch the back of the throat with a cotton swab.
D) Touch the roof of the mouth with a gloved finger.

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