What impact does the steep portion of the oxyhemoglobin dissociation curve have on oxygen delivery?
a. No oxygen can be released to tissues until PO2s are above 60 mm Hg
b. PO2s below 60 prevents the release of oxygen from hemoglobin to tissues
c. Oxygen binds irreversibly with hemoglobin until the P50 is reached
d. PO2s below 60 enhance the release of oxygen from hemoglobin to the tissues
d. PO2s below 60 enhance the release of oxygen from hemoglobin to the tissues
You might also like to view...
Sentence length should never exceed ________ words
a. ten b. 15 c. 20 d. 25
With regard to the endocrine system, which of the following statements is NOT true?
A) The pituitary gland is often called the "master gland." B) The posterior pituitary hormones are actually synthesized in the hypothalamus. C) The hypothalamus and pituitary glands have no physical link. D) The hypothalamus controls many of the functions of the pituitary gland.
How is reimbursement calculated for workers' compensation claims?
What will be an ideal response?
Which of the following oxygenation measures support a patient's readiness to wean? 1. PaO2/PAO2 (a/A) = 0.45 2. PaO2/FiO2 (P/F) = 110 3. PAO2 – PaO2 = 240 mm Hg 4. Physiologic shunt (Qs/Qt) = 12%
a. 1 and 3 only b. 1, 2, and 3 only c. 2 and 4 only d. 1, 3, and 4 only