1 out of 1 points
Pulse oximetry is a technique used to measure this parameter;
Selected
Answer:
Arterial O2 saturation
Correct
Answer:
Arterial O2 saturation
Question 2
1 out of 1 points
These favor a left-shift of the oxygen-hemoglobin dissociation curve except;
Selected
Answer:
Increased H+ concentration
Correct
Answer:
Increased H+ concentration
Question 3
0 out of 1 points
Which of these is not included as an unmeasured anion in the anion gap estimation?
Selected
Answer:
Proteins
Correct
Answer:
Chloride
Question 4
1 out of 1 points
Which of the following is the site of highest airway resistance?
Selected
Answer:
Medium-sized
bronchi
Correct
Answer:
Medium-sized
bronchi
Question 5
0 out of 1 points
An increase in the affinity of hemoglobin for CO2 due to a decrease in O2 binding is
described as the;
Selected
Answer:
Bohr effect
Correct
Answer:
Haldene effect
Question 6
1 out of 1 points
, You are evaluating a patient with this lab result - arterial blood pH is 7.25, pCO2 is
24 mm Hg, and HCO3− is 10.2 mEq/L, an unlikely diagnosis of this patient will be;
Selected
Answer:
COPD
Correct
Answer:
COPD
Question 7
1 out of 1 points
According to Boyle's law of gases, the pressure of a gas at constant temperature is
directly proportional to the volume of the gas in a chamber.
Selected
Answer:
False
Correct
Answer:
False
Question 8
0 out of 1 points
In a patient that climbed to the top of mount Everest, which is the correct sequence
of respiratory events;
Selected
Answer:
Hyperventilation – decreased plasma PO2 – Increased Plasma PCO2
– decreased alveolar PO2
Correct
Answer:
Decreased alveolar PO2 – Decreased Plasma PO2 – Increased
plasma PCO2 – Hyperventilation
Question 9
1 out of 1 points
A 49-year-old man has a pulmonary embolism that completely blocks blood flow to
his left lung. As a result, which of the following will occur?
Selected
Answer:
Alveolar Po2 in the left lung will be approximately equal to the Po2 in
inspired air
Correct
Answer:
Alveolar Po2 in the left lung will be approximately equal to the Po2 in
inspired air
Question 10
1 out of 1 points
Hypoxemia produces hyperventilation by a direct effect on the;
Selected
Answer:
carotid and aortic body chemoreceptors
Correct