Which condition results from a deficit of HCO3 and pH 7.23?
Metabolic acidosis
Respiratory acidosis
Metabolic alkalosis
Respiratory alkalosis
The Correct Answer is A
A. Metabolic acidosis occurs when there is a deficit of bicarbonate (HCO3) in the blood, leading to a decrease in pH (below 7.35). A pH of 7.23 indicates acidosis, and the deficit of HCO3 supports a diagnosis of metabolic acidosis.
B. Respiratory acidosis is characterized by an increase in carbon dioxide (CO2) levels, which lowers pH. It is not associated with a bicarbonate deficit.
C. Metabolic alkalosis is characterized by an excess of bicarbonate or a loss of acid, leading to an elevated pH. It is the opposite of metabolic acidosis.
D. Respiratory alkalosis is caused by excessive exhalation of CO2, leading to an increase in pH, not a deficit of bicarbonate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Identifying specific pathogens is important for guiding treatment, but the immediate focus in septic shock is on supporting circulation and treating the source of infection rather than just identification.
B. Improving tissue perfusion through intravenous fluid and blood replacement is part of the treatment but is not the sole focus. It is a supportive measure, and it is done alongside treating the source of infection.
C. Administering antibiotics is critical in septic shock but is only part of the treatment. It should be done alongside efforts to support circulation and treat the source of infection.
D. Treating the source of infection and supporting circulation are the primary goals in managing septic shock. This includes administering fluids, antibiotics, and sometimes vasopressors, in addition to addressing the underlying infection.
Correct Answer is C
Explanation
A. Pleural effusion involves the accumulation of fluid in the pleural space, which typically causes a decrease or absence of breath sounds, not wheezing.
B. Emphysema is a type of chronic obstructive pulmonary disease (COPD) that leads to damage of the alveoli and air sacs, which may result in wheezing, but it is not the most direct cause of high-pitched wheezing.
C. High-pitched wheezing is often a result of airway constriction or narrowing, which occurs in conditions like asthma, bronchitis, or anaphylaxis. The sound is caused by turbulent airflow through narrowed airways.
D. Hemoptysis refers to coughing up blood and does not cause wheezing. It is a symptom that may be associated with various respiratory conditions, but it does not directly cause the wheezing sound.
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