ABG A
Which of the following would be a normal person's arterial carbon dioxide pressure (PaCO2)?
a. 25to 35 mm Hg
b. 35 to 45 mm Hg
c. 45 to 60 mm Hg
d. 60 to 80 mm Hg
b. 35 to 45 mm Hg
All of the following will be seen in the arterial blood gas values of a patient with acute ventilatory failure EXCEPT:
a. An acidic pH
b. A normal bicarbonate level
c. An alkaline pH
d. A high CO2 level
c. An alkaline pH
Interpret the following blood gas: pH 7.35 PaCO2 45 PaO2 80 HCO3-26
What is normal ABG
A physician asks you to suggest the most effective way to assess the alveolar-capillary membrane of a patient. Which of the following would you suggest? The pulmonary diffusion capacity of the carbon monoxide test is used to:
a. Maximum voluntary ventilation (MVV) test.
b. Pulmonary diffusion capacity of the carbon monoxide test
c. Measure the residual volume.
d. A total lung capacity (TLC).
b. Pulmonary diffusion capacity of the carbon monoxide test
A patient has restrictive lung disease. In response to this, which of the following are typically found (SELECT ALL THAT APPLY)?
1. Decreased lung compliance
2. Increased ventilatory rate
3. Increased tidal volume
4. Decreased ventilatory rate
1, 2
Which of the following would be a normal person's arterial oxygen pressure (PvO2)?
a. 35 to 45 mm Hg
b. 45 to 80 mm Hg
c. 70 to 100 mm Hg
d. 100 to 120 mm Hg
c. 70 to 100 mm Hg
Common causes of metabolic acidosis include all of the following EXCEPT:
a. Diabetic ketoacidosis
b. Shallow breathing from a sedative overdose
c. Lactic acidosis
d. Renal (kidney) failure
b. Shallow breathing from a sedative overdose
Interpret the following blood gas: pH 7.29 PaCO2 60 PaO2 80 HCO3- 28
What is Partially Compensated Respiratory Acidosis
Acute Respiratory Acidosis
A physician asks you to suggest the best maneuver to evaluate the flow in a patient’s medium-size to small airways. Which of the following would you suggest?
a. Total lung capacity (TLC).
b. Maximum voluntary ventilation (MVV) test
c. FEV1%
d. FEF25%-75%
d. FEF25%-75%
Which of the following are true of the peak expiratory flowrate test (SELECT ALL THAT APPLY)?
1. It is effort dependent.
2. It is taken from the FVC test results.
3. It is taken from the MVV test results.
4. It assesses large upper airways.
1, 2, 4
The normal pH of arterial blood is:
a. 0-1
b. 6.9-7.35
c. 7.35-7.45
d. 7.45-7.55
c. 7.35-7.45
Common causes of metabolic alkalosis include (SELECT ALL THAT APPLY):
1. diuretic therapy.
2. vomiting.
3. excessive sodium bicarbonate administration.
4. gastric suctioning.
1, 2, 3, 4
Interpret the following blood gas: pH 7.35 PaCO2 56 PaO2 100 HCO3- 30
What is Fully Compensated Respiratory Acidosis
Chronic Respiratory Acidosis
The respiratory therapist is performing a pulmonary function study on a patient who has periodic symptoms of asthma. The pulmonary function results are within normal limits. What further testing can the therapist recommend to aid in either confirming or negating the possible diagnosis?
a. Inhaled methacholine challenge testing
b. Body plethysmography
c. Inhaled digitalis
d. Warm, humid air challenge
a. Inhaled methacholine challenge testing
Which combination below would tell you the total lung capacity (SELECT ALL THAT APPLY)?
1. IRV
2. IC
3. ERV
4. RV
2, 3, 4
IC+ERV+RV
Which of the following would be a normal persons' bicarbonate (HCO3-):
a. 20-28 mEq/L
b. 22-26 mEq/L
c. 25-30 mEq/L
d. 30-35 mEq/L
b. 22-26 mEq/L
If a patient has chronic ventilatory failure, the pH is corrected toward normal by:
a. The kidneys retaining bicarbonate
b. The lung retaining CO2
c. The kidneys excreting bicarbonate
d. The lungs blowing off more CO2
a. The kidneys retaining bicarbonate
Interpret the following blood gas: pH 7.74 PaCO2 20 PaO2 80 HCO3- 26
What is Uncompensated Respiratory Alkalosis
Acute Respiratory Alkalosis
Pulmonary function studies are done for which of the following measurements (SELECT ALL THAT APPLY)?
1. The patient’s carbon monoxide level
2. Lung volumes and capacities
3. Pulmonary diffusion capacity
4. Forced expiratory flowrates
2, 3, 4
In response to a restrictive lung disorder, which of the following is typically found?
a. Decreased lung compliance with other normal vital signs
b. Increased lung compliance with a decreased ventilatory rate
c. Increased lung compliance, lung rigidity, and ventilatory rate
d. Decreased lung compliance and lung rigidity with an increased ventilatory rate
d. Decreased lung compliance and lung rigidity with an increased ventilatory rate
In a long-standing metabolic acidosis, the respiratory rate may increase. This is an example of:
a. Mixed acidosis
b. Hypoxemia
c. Compensation
d. A primary respiratory acidosis
c. Compensation
An abnormally large accumulation of ketones in the blood would give rise to a(n):
a. Metabolic acidosis
b. pH greater than 7.45
c. Metabolic depression
d. Respiratory acidosis
a. Metabolic acidosis
Respiratory failure is often associated with a(n):
a. Anxiety
b. Elevated PaO2
c. Depressed PaCO2
d. PaC02 above 45
d. PaC02 above 45
Overall characteristics of pulmonary function testing results on a patient with obstructive lung disease include that the FEV1:
a. FEV1 is reduced and FEV1% is normal.
b. FEV1 and FEV1% are both increased.
c. FEV1 and FEV1% are both reduced.
d. FEV1 is increased and FEV1% is decreased.
c. FEV1 and FEV1% are both reduced.
Which of the following pulmonary function test or study requires a special indirect measurement procedure to obtain?
a. Inspiratory reserve volume
b. Residual volume
c. Expiratory reserve volume
d. Inspiratory capacity
b. Residual volume