Exam 10: Blood Gas Monitoring

A 60-year-old male patient is admitted to the medical unit with a bowel obstruction causing him to vomit frequently.What is the correct interpretation of the most recent arterial blood gas values for this patient: pH = 7.51; PaCO₂ = 43 mm Hg; and HCO₃- = 34 mEq/L?

(Multiple Choice)

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Question 61

The two-point calibration for the pH electrode uses two buffers.Which of the following pH values are correct for these two buffers? 1)6.839 2)6.840 3)7.384 4)7.495

(Multiple Choice)

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Question 62

Which of the following is the correct interpretation of the following arterial blood gas results taken from a patient receiving no supplemental oxygen: pH = 7.37; PaCO₂ = 55 mm Hg; PaO₂ = 53 mm Hg; SaO₂ = 88%; and HCO₃- = 31 mEq/L?

(Multiple Choice)

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Question 63

Absorbance or fluorescent sensors are used with which of the following?

(Multiple Choice)

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Question 64

Which of the following in vivo arterial blood gas values is comparable with in vitro measurements?

(Multiple Choice)

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Question 65

Renal failure will cause what acid-base disorder?

(Multiple Choice)

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Question 66

CO-oximeters routinely measure which of the following? 1)Carboxyhemoglobin (HbCO) 2)Fetal hemoglobin 3)Sulfhemoglobin 4)Oxyhemoglobin (O₂Hb) 5)Methemoglobin (metHb)

(Multiple Choice)

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Question 67

Acid-base neutrality is expressed as which of the following? 1)pH = 14 2)pH < 7.0 3)pH = 7.0 4)[H⁺] > [OH-] 5)[H⁺] = [OH-]

(Multiple Choice)

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Question 68

The relative transmission and/or absorption of portions of the light spectrum are the basis for which of the following?

(Multiple Choice)

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Question 69

What is the pH of the phosphate buffer solution in a Sanz electrode?

(Multiple Choice)

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Question 70

The maximum amount of blood that should be discarded from the indwelling arterial catheter of an infant is ____ mL.

(Multiple Choice)

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Question 71

Which of the following arterial blood gas results could be caused by diarrhea?

(Multiple Choice)

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Question 72

The partial pressure of oxygen in the blood is measured by which electrode?

(Multiple Choice)

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Question 73

Which is the correct interpretation of the following arterial blood gas values: pH = 7.26; PCO₂ = 64 mm Hg; PO₂ = 48 mm Hg; HCO₃- = 26 mEq/L; and fractional inspired oxygen (FɪO₂)= 0.21?

(Multiple Choice)

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Question 74

Which of the following variables can be calculated from measured arterial blood gas values? 1)The partial pressure of oxygen at which hemoglobin is 50% saturated (P₅₀) 2)pH 3)PCO₂ 4)HCO₃- 5)SaO₂

(Multiple Choice)

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Question 75

The Henderson-Hasselbalch equation is used in acid-base analysis to relate which of the following?

(Multiple Choice)

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Question 76

Which reaction occurs at the platinum cathode of the Clark electrode?

(Multiple Choice)

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Question 77

Which of the following techniques allows a pulse oximeter to determine the amount of hemoglobin in a blood sample?

(Multiple Choice)

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Question 78

Which of the following statements is true concerning the CO-oximeter measurement of a patient with a bilirubin level greater than 20 mg/dL in whole blood?

(Multiple Choice)

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Question 79

The standard transcutaneous carbon dioxide electrode is which of the following?

(Multiple Choice)

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Question 80

Showing 61 - 80 of 96

A 60-year-old male patient is admitted to the medical unit with a bowel obstruction causing him to vomit frequently.What is the correct interpretation of the most recent arterial blood gas values for this patient: pH = 7.51; PaCO₂ = 43 mm Hg; and HCO₃- = 34 mEq/L?

The two-point calibration for the pH electrode uses two buffers.Which of the following pH values are correct for these two buffers? 1)6.839 2)6.840 3)7.384 4)7.495

Which of the following is the correct interpretation of the following arterial blood gas results taken from a patient receiving no supplemental oxygen: pH = 7.37; PaCO₂ = 55 mm Hg; PaO₂ = 53 mm Hg; SaO₂ = 88%; and HCO₃- = 31 mEq/L?

Absorbance or fluorescent sensors are used with which of the following?

Which of the following in vivo arterial blood gas values is comparable with in vitro measurements?

Renal failure will cause what acid-base disorder?

CO-oximeters routinely measure which of the following? 1)Carboxyhemoglobin (HbCO) 2)Fetal hemoglobin 3)Sulfhemoglobin 4)Oxyhemoglobin (O₂Hb) 5)Methemoglobin (metHb)

Acid-base neutrality is expressed as which of the following? 1)pH = 14 2)pH < 7.0 3)pH = 7.0 4)[H⁺] > [OH-] 5)[H⁺] = [OH-]

The relative transmission and/or absorption of portions of the light spectrum are the basis for which of the following?

What is the pH of the phosphate buffer solution in a Sanz electrode?

The maximum amount of blood that should be discarded from the indwelling arterial catheter of an infant is ____ mL.

Which of the following arterial blood gas results could be caused by diarrhea?

The partial pressure of oxygen in the blood is measured by which electrode?

Which is the correct interpretation of the following arterial blood gas values: pH = 7.26; PCO₂ = 64 mm Hg; PO₂ = 48 mm Hg; HCO₃- = 26 mEq/L; and fractional inspired oxygen (FɪO₂)= 0.21?

Which of the following variables can be calculated from measured arterial blood gas values? 1)The partial pressure of oxygen at which hemoglobin is 50% saturated (P₅₀) 2)pH 3)PCO₂ 4)HCO₃- 5)SaO₂

The Henderson-Hasselbalch equation is used in acid-base analysis to relate which of the following?

Which reaction occurs at the platinum cathode of the Clark electrode?

Which of the following techniques allows a pulse oximeter to determine the amount of hemoglobin in a blood sample?

Which of the following statements is true concerning the CO-oximeter measurement of a patient with a bilirubin level greater than 20 mg/dL in whole blood?

The standard transcutaneous carbon dioxide electrode is which of the following?

Basic Physics for the Respiratory Therapist

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

Assessment of Cardiovascular Function

Sleep Diagnostics

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

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