Buttaro Primary Care Exam 4 Questions with 100% Correct Answers

A patient brought to an emergency department after a diving accident is receiving inhaled 100% oxygen. What is the goal of this intervention? a. Enhancing oxygen delivery to ischemic tissues b. Improving oxygen saturations c. Preventing the need for recompression therapy d. Reducing the risk of neurological symptoms Correct Answer A -Breathing 100% oxygen increases the extraction of nitrogen from tissues and can enhance oxygen delivery to ischemic tissues. It is not given to improve oxygen saturations, because the oxygen level is not of concern. Patients will still need recompression therapy. Oxygen is not given to minimize neurological symptoms A scuba diver reports persistent nosebleeds after a diving trip. What is the treatment for this condition based on this history? a. A period of bedrest b. Decongestant medications c. Recompression therapy d. Referral to an otolaryngologist Correct Answer B -Topical and systemic nasal decongestants may provide both relief and prophylaxis for divers predisposed to epistaxis. Bedrest is not indicated. Recompression therapy is not used for sinus barotrauma. Referral to an otolaryngologist is necessary when conservative treatments are not effective When evaluating a person who is interested in taking a scuba diving class, the practitioner will screen for which conditions? (Select all that apply.) a. Chronic sinusitis b. Diabetes mellitus c. Peptic ulcer disease d. Pressure equalizing ear tubes e. Recurrent urinary tract infection Correct Answer A, B, D- Diving is relatively contraindicated in any patient with a history of frequent ear infections or chronic sinus infections. Diabetes, if unstable, is a contraindication. Pressure equalizing tubes are absolute contraindications. Peptic ulcer disease and recurrent UTI are not contraindications. A patient with poorly controlled diabetes mellitus (DM) has chronic fatigue symptoms. Which of the following is the most likely underlying cause of this patient's fatigue?