Arterial Blood Gas Interpretation for NCLEX (40 Questions)

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Let us help you review the concepts behind arterial blood gas interpretation for the NCLEX with these acid-base balance practice questions.

Arterial Blood Gas Interpretation Practice Quiz

In this section are the practice problems and questions for arterial blood gas interpretation. This nursing test bank set includes 40 questions divided into two parts. Includes topics are: arterial blood gas interpretation, acid-base balance and imbalances, respiratory acidosis and alkalosis, and metabolic acidosis and alkalosis.

Quizzes included in this ABG nursing test bank are:

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Arterial Blood Gas Interpretation Practice Quiz (Part 1: 20 Items)

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Arterial Blood Gas Reviewer

For your reviewer on the concepts behind arterial blood gas (ABGs) and interpretation, please visit:

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FT–Arterial Blood Gas Analysis Made Easy with Tic-Tac-Toe Method

Arterial Blood Gas Guide: Tic-Tac-Toe Technique
Use the Tic-Tac-Toe Technique to interpret ABGs easily!

If you need more information or practice quizzes, please do visit the following links:

  • Nursing Test Bank: Free Practice Questions UPDATED!
    Are you ready to learn? Check out our updated nursing test bank that includes over 3,500 practice questions covering a wide range of nursing topics that are absolutely free!
  • NCLEX Questions Nursing Test Bank and Review UPDATED!
    For this nursing test bank, we have included more than 1,000+ NCLEX practice questions covering different nursing topics! We’ve made a significant effort to provide you with the most challenging questions along with insightful rationales for each question to reinforce learning.
Gil Wayne graduated in 2008 with a bachelor of science in nursing. He earned his license to practice as a registered nurse during the same year. His drive for educating people stemmed from working as a community health nurse. He conducted first aid training and health seminars and workshops for teachers, community members, and local groups. Wanting to reach a bigger audience in teaching, he is now a writer and contributor for Nurseslabs since 2012 while working part-time as a nurse instructor. His goal is to expand his horizon in nursing-related topics. He wants to guide the next generation of nurses to achieve their goals and empower the nursing profession.

18 thoughts on “Arterial Blood Gas Interpretation for NCLEX (40 Questions)”

  1. Thank you for work done so far. god bless you.
    I’ll like you to review this question No:20 under ABGs NCLEX Quiz 2. The correct answer you gave contradicts with the rationale -” For these ABG values, pH is NORMAL but slightly acidic and lines up with PACO2 which is METABOLIC. Therefore, this group of ABG values is considered METABOLIC ALKALOSIS.” Thank you.. pls see below.

    20. Question
    Match the acid-base status of the following blood samples to the disorders in the given choices. (PaCO2 values are in mm Hg and bicarbonate values in mmol/l).

    pH 7.39, PaCO2 59, HCO3- 35

    A. Respiratory Acidosis, Uncompensated
    B. Metabolic Alkalosis, Uncompensated
    C. Respiratory Acidosis, Fully Compensated
    D. Metabolic Alkalosis, Partially Compensated
    Correct
    Correct Answer: C. Respiratory Acidosis, Fully Compensated

    Based on the given ABG values, pH is 7.39. For pH, the normal range is 7.35 to 7.45. So it is NORMAL.
    PaCO2 is 59. The normal range for PaCO2 is from 35 to 45. If PaCO2 is above 45, it is acidosis. Based on the given ABG values, PaCO2 is above 45, so it is considered ACIDOSIS.
    HCO3- is 35. The normal range for HCO3 is from 22 to 26. If HCO3 is above 26, it is alkalosis. Based on the given ABG values, HCO3 is above 26, so it is considered ALKALOSIS.
    For these ABG values, pH is NORMAL but slightly acidic and lines up with PACO2 which is METABOLIC. Therefore, this group of ABG values is considered METABOLIC ALKALOSIS.
    Lastly, it is FULLY COMPENSATED because pH is normal. It is considered fully compensated if pH is normal.

    Thompson.

    Reply
    • Agreed, the symptoms also line up with patient being alkalosis as well: irritability and diarrhea. Assuming SaO2 levels are normal, increased respirations would point to alkalosis as well.

      Reply
    • I beg to disagree with your analysis.
      The answer is correct Respiratory Acidosis with Fully compensated. The pH is within normal limits, the PCO2 is high meaning respiratory aspect is getting acidotic and because the respiratory is getting acidotic the kidney which the HCO3 is compensating well by increasing.

      Reply
  2. A 73year man has been admitted to the unit with a diagnosis of chronic obstructive pulmonary disease .he states that he has difficulty breathing when walking short distance .he also states that his heart feels like it is racing at the same time .he states that he is tired all the time and while talking to you he is continually wringing his hands and looking out the windows.1.Identify the 4 health problem of the patient.2.formulate the nursing diagnosis

    Reply
  3. Thompson,
    The PaCo2 is high and the pH is normal but slightly acidic because it is on the lower end. Using the ROME method, this would make it respiratory acidosis, fully compensated. I recommend using the ROME method (respiratory opposite metabolic equal).

    Reply
  4. In the Arterial Blood Gas Interpretation Practice Quiz (Part 1: 20 Items), I think the correct answer to Q3. should have been : Respiratory Alkalosis, Partially Compensated. Please revisit and let me know. Thanks for the resources.

    Reply
  5. This ABG’s study with the practice quiz was great and help me understand the difference in acidosis and alkalosis, respiratory versus metabolic and also compensated as well as uncompensated to fully compensated. Thanks for the resources.

    Reply
  6. The blood Ph is more towards Acidic. the PaCo2 is elevated, which is always an indicator for respiratory acidosis.
    the HCO3 is also elevated, but an elevated HCO3 is is also always an indicator for Metabolic Alkalosis.
    Since the Ph of the blood is is towards acidity, and the PaCO2 is elevated, the patient is in respiratory acidosis, the HCO3 is also elevated because homeostasis have set in an the body needs to form more alkaines to compensate for the increased acidity. since the Ph of the blood, though towards acidity but still within normal, that means the RESPIRATORY ACIDOSIS IS FULLY COMPENSATED.

    Reply

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