After the addition of reagents for the nitrate test, the tube remains colorless. To determine if the organism reduced nitrates to nitrogen gas, you must now add

You are responding to a 52-year-old male patient complaining of heartburn with epigastric pain. The patient's vital signs are stable and he does not have any pain upon palpation. He has a history of reflux disease and is on several medications for heartburn and acid reflux. What is your greatest concern with this patient?

A) He will develop peritonitis. B) He is suffering from a myocardial infarction. C) He will aspirate on vomit. D) His appendix will rupture.

The son of a 76-year-old woman called 9-1-1 because his mother is "ill." The patient presents with mild confusion, poor skin turgor, and tachycardia. She is incontinent of urine and asks you for a glass of water. Her son tells you that she had not been feeling well for the past several weeks, but would not allow him to take her to the doctor. Which of the following assessment parameters will MOST likely reinforce your suspicion regarding the underlying cause of this patient's condition?

A) Blood glucose B) Cardiac rhythm C) Orthostatic vital signs D) Cincinnati stroke scale