A nurse is checking the laboratory results of a client who is at risk for diabetes mellitus. Which of the following laboratory results indicates to the nurse that the client is at risk for diabetes mellitus?
2-hr blood glucose 132 mg/dL.
HbA1c 5.2%.
Casual blood glucose 178 mg/dL.
Fasting blood glucose 155 mg/dL. .
The Correct Answer is D
Choice A rationale
A 2-hour blood glucose level of 132 mg/dL is below the threshold for diabetes diagnosis, which is 200 mg/dL or higher.
Choice B rationale
An HbA1c level of 5.2% is within the normal range. Diabetes is diagnosed with an HbA1c of 6.5% or higher.
Choice C rationale
A casual blood glucose level of 178 mg/dL is elevated but not diagnostic of diabetes. Diabetes is diagnosed with a casual blood glucose level of 200 mg/dL or higher.
Choice D rationale
A fasting blood glucose level of 155 mg/dL is above the threshold for diabetes diagnosis, which is 126 mg/dL or higher. This indicates that the client is at risk for diabetes mellitus.
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Correct Answer is B
Explanation
Choice A rationale
Respiratory alkalosis is incorrect. Respiratory alkalosis is characterized by a high pH and low PaCO₂, which is not consistent with the given ABG values. The client’s pH is low (7.22), indicating acidosis, and the PaCO₂ is high (68 mm Hg), indicating a respiratory cause.
Choice B rationale
Respiratory acidosis is correct. Respiratory acidosis occurs when there is an accumulation of carbon dioxide (CO₂) in the blood, leading to a decrease in pH. The given ABG values show a low pH (7.22) and a high PaCO₂ (68 mm Hg), which are indicative of respiratory acidosis. The elevated bicarbonate (28 mEq/L) suggests partial compensation by the kidneys.
Choice C rationale
Metabolic acidosis is incorrect. Metabolic acidosis is characterized by a low pH and low bicarbonate (HCO₃⁻) levels. In this case, the bicarbonate level is elevated (28 mEq/L), which isnot consistent with metabolic acidosis. The primary issue is respiratory, as indicated by the high PaCO₂.
Choice D rationale
Metabolic alkalosis is incorrect. Metabolic alkalosis is characterized by a high pH and high bicarbonate levels. The given ABG values show a low pH (7.22), which indicates acidosis, not alkalosis. Additionally, the primary issue is respiratory, as indicated by the high PaCO₂.
Correct Answer is A
Explanation
Choice A rationale
Difficulty starting the flow of urine is a common symptom of benign prostatic hyperplasia (BPH). This condition involves the enlargement of the prostate gland, which can obstruct the urethra and make it difficult to initiate urination.
Choice B rationale
Painful urination is not typically associated with BPH. It is more commonly linked to urinary tract infections or other conditions such as prostatitis.
Choice C rationale
Urge incontinence is not a primary symptom of BPH. While BPH can cause urinary frequency and urgency, urge incontinence is more often related to overactive bladder syndrome.
Choice D rationale
Critically elevated prostate-specific antigen (PSA) levels are not a direct symptom of BPH. Elevated PSA levels can be indicative of prostate cancer or other prostate conditions, but not specifically BPH12.