How is the vast majority of chemically combined with Hb
oxygen carried in the
blood?
Under normal physiologic 1.340 ml
circumstances, how many
milliliters of oxygen are
capable of combining with 1
g of Hb?
A patient has a P50 value of decreased affinity of Hb for oxygen
29 mm Hg. What does this
indicate?
Hypoxia is best defined as a Tissue oxygen delivery is inadequate to meet cellular
condition in which what needs.
occurs?
Which of the following difference in partial pressures (pressure gradient)
conditions must exist for
gas to move between the
alveolus and pulmonary
capillary?
The time available for rate of pulmonary blood flow
diffusion in the lung is
mainly a function of which
of the following?
Metabolic acidosis is best uncorrected low pH caused by a decrease in HCO3
described as ____.
Metabolic alkalosis is best uncorrected high blood pH caused by an increase in
described as ____. HCO3
, According to Shapiro, a moderate hypoxemia
PaO2 value of 50 mm Hg
represents ____.
Compensation for decrease in blood CO2 levels
metabolic acidosis occurs
through which of the
following?
The primary goal of acid- normal pH
base homeostasis is to
maintain which of the
following?
A PaO2 below what value 40 mm Hg
would be considered
severe hypoxemia?
What is the calculation for PaO2 ≈ 110 - 1/2 patient's age
PaO2 based on age?
Acid excretion is shared by kidneys & lungs
which of the following
organ systems?
A decrease in the H+ ion respiratory alkalosis
concentration [H+] of the
blood caused by a low
PaCO2 best describes
which of the following?
An ABG result shows pH of metabolic acidosis
7.35, PaCO2 of 30 mm Hg,
and HCO3⁻ of 18 mEq/L.
Which of the following is
the patient's most likely
primary disorder?
pH = 7.01 combined respiratory and metabolic acidosis
PCO2 = 71 mm Hg
HCO3⁻ = 16.3 mEq/L
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