How would a PO2 of 80 mm Hg affect the oxyhemoglobin dissociation curve and hemoglobin’s ability to transport oxygen to peripheral tissues?
A. the curve would left but oxygen delivery would remain normal
B. the curve would not be shifted and oxygen delivery would remain normal
C. the curve would shift left and reduce oxygen delivery
D. the curve would shift right and enhance oxygen delivery
Answer: B
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An employee who takes or steals medication for any reason will face:
a. Getting fired from their job. b. Criminal charges. c. A choice of getting fired or criminal charges. d. Getting fired and criminal charges.
Which of these statements indicates that the EMT understands the appropriate use of supplemental oxygen when caring for a patient with stroke?
A) "In the short time that we provide care to a patient with stroke, the benefits of high-concentration oxygen outweigh the risks." B) "If positive pressure ventilation is required, it should be given with room air and not supplemental oxygen." C) "Since stroke decreases oxygen delivery to the brain, high-concentration oxygen should always be geared toward achieving an SpO2 as near to 100% as possible." D) "Oxygen should be administered at a minimal amount, just enough to get the SpO2 at or greater than 94%."
If a normal person breathes in, the oxygen travels through air passages to the lungs. Which of the following takes place?
A) Oxygen (O2) is exchanged for carbon dioxide (CO2). B) The heart beats faster. C) The lungs can fill with fluid. D) The pulse rate changes.
The term para stands for:
A) the number of pregnancies. B) the number of premature births. C) the number of full term births. D) the number of live births.