Which statement is MOST correct relating to patient oxygenation concepts?

A) Ambient air at sea level contains 79 percent oxygen and has a partial pressure of 597 mmHg.
B) The concentration of oxygen in ambient air has little impact on total oxygen in the blood.
C) The partial pressure of oxygen is 159 mmHg at sea level (760 mmHg × 0.21).
D) The FiO2 is the fraction of oxygen delivered to a patient via bag-valve-mask.


C

Health Professions

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Your patient is a 60-year-old male who is complaining of severe epigastric abdominal pain and difficulty breathing. He is pale, sweaty, and pleads with you, "Don't let me die, I think I'm going to die." Which of the following measures is NOT part of your initial treatment of this patient?

A) Determining whether you should assist the patient in taking nitroglycerin B) Giving 15 lpm of oxygen by nonrebreather mask C) Applying the defibrillator pads to his chest D) Placing the patient in a position of comfort

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What is the period between exposure and the production of enough antibodies to be detected in the blood?

A) The disease period B) The fulminant period C) The latent phase D) The window phase

Health Professions

A physician provides a ____________________ diagnosis when he or she tells the patient that a disease or condition is suspected or likely but has not yet been confirmed

Fill in the blank(s) with correct word

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The watery fluid that provides nutrients to and bathes the structures in the anterior chamber of the eyeball is the ________.

Fill in the blank(s) with the appropriate word(s).

Health Professions