A client is admitted with a suspected opioid overdose and a respiratory rate of 6 breaths per minute. Which of the following data would the nurse anticipate? (SELECT ALL THAT APPLY)
pH 7.29
Pa CO2 54
pH 7.51
PaO2 72
Pa CO2 31
Correct Answer : A,B
A. pH 7.29: A respiratory rate of 6 breaths per minute suggests hypoventilation, which can lead to respiratory acidosis due to retention of carbon dioxide (CO2). A decrease in pH (acidosis) is expected in this scenario.
B. PaCO2 54: In respiratory acidosis, PaCO2 levels are elevated due to inadequate ventilation, leading to CO2 retention. Therefore, an elevated PaCO2 level would be anticipated in this situation.
C. pH 7.51: A pH of 7.51 indicates alkalosis, which is not consistent with the expected respiratory acidosis in the context of opioid overdose and hypoventilation. Therefore, this choice is not anticipated.
D. PaO2 72: Oxygenation may be impaired in opioid overdose due to respiratory depression, but this PaO2 level is within the normal range. Hypoxemia is not typically a prominent feature of respiratory acidosis unless there are concurrent respiratory conditions or complications. Therefore, this choice is not anticipated.
E. PaCO2 31: A PaCO2 level of 31 indicates hypocapnia, which is not consistent with the expected respiratory acidosis in the context of opioid overdose and hypoventilation. Therefore, this choice is not anticipated.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. These are indicative of inflammation within the vein, which is characteristic of phlebitis. Warmth is a common sign of inflammation, and the palpable cord suggests that the vein may be hardened or cord- like due to inflammation and irritation.
B. While this could indicate some form of vascular injury or extravasation, it is not a typical presentation of phlebitis. Phlebitis involves inflammation of the vein, which may cause redness, warmth, and tenderness along the course of the vein, but it typically does not manifest as a raised ecchymotic (bruised) area.
C. Swelling occurs due to inflammation within the vein, and tenderness is often present as a result of the irritation and inflammation. These symptoms are commonly observed in cases of phlebitis but are not specific.
D. These are not typical signs of phlebitis. Blanching (turning white) and coolness of the skin may suggest reduced blood flow to the area, which could occur in cases of ischemia or thrombosis but are not characteristic of phlebitis.
Correct Answer is B
Explanation
B. This statement aligns with the concept of allostatic load, which refers to the cumulative physiological toll that chronic stress places on the body over time. Initially, the body's stress response system (the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system) is designed to help individuals cope with acute stressors. However, when stress becomes chronic, these physiological responses can become dysregulated and maladaptive, leading to negative health outcomes such as cardiovascular disease, immune dysfunction, and mental health disorders.
A. Chronic stress has been associated with various changes in gene expression and epigenetic modifications. However, these changes typically occur over longer periods and are not the primary mechanism by which chronic stress leads to illness in most cases.
C. Chronic stress can lead to dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis and the sympathetic nervous system, which are responsible for producing and regulating corticosteroids (such as cortisol) and catecholamines (such as adrenaline and noradrenaline). While acute stress typically results in increased production of these stress hormones, chronic stress can lead to desensitization and dysregulation of these systems, resulting in alterations in hormone levels and potential deficits in the availability of these stress mediators. However, deficits in corticosteroids and catecholamines are not the sole mechanism by which chronic stress leads to illness.
D. While chronic stress can certainly contribute to psychological fatigue and depletion of energy reserves, this is not the primary mechanism by which chronic stress leads to illness. The physiological responses to chronic stress, such as dysregulation of stress hormones, inflammation, and oxidative stress, are more directly linked to the development of various illnesses.
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