A client is brought into the emergency department for an overdose of morphine. The client has a respiratory rate of 5 to 8 breaths per minute. Which of the following ABG results would the nurse expect to see?
pH 7.45, PaCO2 35, HCO3 22
pH 7.25. PaCO2 61, HCO3 26
pH 7.23. PaCO2 27, HCO3 25
pH 7.54, PaCO2 59. HCO3 26
The Correct Answer is B
B. pH 7.25, PaCO2 61, HCO3 26
pH is decreased (acidosis).
PaCO2 is elevated (61 mmHg), indicating respiratory acidosis (increased CO2 retention). HCO3 is slightly elevated (26 mEq/L), compensating for the respiratory acidosis.
A. pH 7.45, PaCO2 35, HCO3 22
pH is within normal range (7.35-7.45).
PaCO2 is slightly lower than normal (35 mmHg), indicating mild respiratory alkalosis. HCO3 (bicarbonate) is within normal range (22 mEq/L).
C. pH 7.23, PaCO2 27, HCO3 25
pH is decreased (acidosis).
PaCO2 is lower than normal (27 mmHg), indicating respiratory alkalosis (which is unlikely in the context of morphine overdose with hypoventilation).
HCO3 is within normal range (25 mEq/L).
D. pH 7.54, PaCO2 59, HCO3 26
pH is increased (alkalosis).
PaCO2 is elevated (59 mmHg), indicating respiratory acidosis (consistent with hypoventilation). HCO3 is slightly elevated (26 mEq/L), compensating for the respiratory acidosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. This statement indicates an understanding of hospice care because hospice typically involves discontinuing aggressive treatments such as chemotherapy, radiation, or surgeries that are aimed at curing the cancer. Instead, the focus shifts to palliative care to manage symptoms and improve quality of life.
B. This statement suggests the client may not fully understand hospice care. In hospice, the emphasis is on managing symptoms in the home setting with the support of hospice nurses and caregivers. Calling 911 for symptom management contradicts the philosophy of hospice, which is to avoid aggressive interventions and hospitalizations.
C. This statement indicates a misunderstanding of hospice care. Hospice care focuses on comfort and quality of life rather than rehabilitative services such as physical therapy. In hospice, the care provided is primarily palliative and supportive rather than rehabilitative.
D This statement would indicate a misunderstanding of hospice care. In hospice, the prognosis is typically a life expectancy of six months or less if the disease follows its natural course. Hospice care is provided when curative treatments are no longer effective or desired, and the focus is on comfort rather than prolonging life.
Correct Answer is A
Explanation
A. By critically thinking about client care, nurses can assess situations, analyze data, evaluate options, and make informed decisions that contribute to the delivery of high-quality care. Critical thinking helps nurses identify priorities, anticipate potential complications, and adapt care plans based on individual client needs and responses.
B. While critical thinking is important in research and evidence-based practice, its primary role in client care is to ensure that nursing interventions are well-reasoned, evidence-based, and tailored to meet the specific needs of clients. While clients may benefit indirectly from evidence-based care resulting from nursing research, client care primarily focuses on immediate clinical decision-making and management.
C. Critical thinking involves analyzing various aspects of client care, including physiological, psychological, and social phenomena. By critically analyzing these phenomena, nurses can understand underlying issues, identify contributing factors to health conditions, and determine appropriate nursing interventions to promote health and well-being. This process helps nurses make sense of complex client situations and provide holistic care.
D. Critical thinking enables nurses to consider multiple options or strategies for nursing actions. By critically evaluating these options based on client assessment data, evidence-based practice guidelines, and ethical principles, nurses can make informed decisions about the most effective and appropriate interventions for their clients. This ensures that nursing care is individualized and responsive to the unique needs and preferences of each client.
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