The barometric pressure is 760 mmHg, and you are calibrating a blood gas instrument with a mixture of 5 PCO2 and 10 O2. What are your expected calibration results?
I. 38.0 mmHg
II. 76.0 mmHg
III. 35.7 mmHg
IV. 71.3 mmHg
A) I and II
B) I and IV
C) II and III
D) III and IV
Q. 2 A 12-year-old patient suffering from paralysis of the optic muscles, difficulty swallowing and speaking, and generalized muscle weakness, especially following exercise was seen in the clinic. Following administration of endrophonium (Tensilon), the patient's muscle strength returned to normal for approximately five minutes. Which of the following is the likely diagnosis?
A) myasthenia gravis
B) Reye's syndrome
C) Werdnig-Hoffman paralysis
D) Guillain-Barr syndrome
Q. 3 The barometric pressure is 745 mmHg, and you are calibrating a blood gas instrument with a mixture of 5 PCO2 and 10 O2. What are your expected calibration results?
I. 37.3 mmHg
II. 74.5 mmHg
III. 34.9 mmHg
IV. 69.8 mmHg
A) I and II
B) I and IV
C) II and III
D) III and IV
Q. 4 Which mediator of lung injury could lead to acute respiratory distress syndrome (ARDS)?
A) interleukin-6
B) lymphocytesC) viral capsids
D) oxygen radicals
Q. 5 A method of quality control that equilibrates whole blood with a known gas concentration is termed:
A) analysis control
B) trending
C) aqueous controls
D) tonometry
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