The client's arterial blood gases reveal the following results: pH 7.51, PaO2 80 mmHg, PaCO2 28 mmHg, HCO3 24 mEq/L, O2 saturation 92%. The nurse interprets this blood gas result as:
Table 9.9 Normal Arterial Blood Gas Values
|
ABG Value |
Normal Range |
|
PH |
7.35-7.45 |
|
PaCO2 |
35-45 mm Hg |
|
HCO3- |
22-26 mEq/L |
|
Base excess |
-2 to +2 |
|
PaO2 |
80-95 mm Hg |
|
SaO2 |
>95% |
respiratory alkalosis.
metabolic alkalosis.
respiratory acidosis.
metabolic acidosis.
The Correct Answer is A
A. The elevated pH and decreased PaCO2 indicate that the respiratory system is causing alkalosis, typically due to hyperventilation (excessive breathing).
B. Metabolic alkalosis would be indicated by a high pH with a normal or high HCO3. Since the HCO3 level is normal and the PaCO2 is low, this does not fit the picture of metabolic alkalosis.
C. Respiratory acidosis would be characterized by a low pH and an elevated PaCO2 due to inadequate ventilation and accumulation of carbon dioxide. Here, the pH is high, and the PaCO2 is low.
D. Metabolic acidosis would be indicated by a low pH with a low HCO3. In this case, the pH is high, and the HCO3 is normal.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Limiting fluids with meals is not a recommended practice for preventing prostatitis. Staying hydrated is generally encouraged to promote urinary health. This option does not address the prevention of prostatitis recurrence.
B. This is a good instruction. Frequent voiding helps reduce the risk of urinary stasis and potential bacterial growth in the urinary tract, which can contribute to prostatitis. Encouraging the client to empty their bladder regularly is beneficial in preventing recurrence.
C. While monitoring PSA levels can be important for assessing prostate health, it is not a direct preventive measure for prostatitis recurrence. PSA tests are primarily used to screen for prostate cancer or monitor prostate conditions rather than prevent prostatitis itself.
D. This recommendation is not appropriate for preventing prostatitis. While caffeine may irritate the bladder and prostate, decaffeinated drinks typically do not have the same effect and can be a good source of hydration. Avoiding decaffeinated drinks does not contribute to prostatitis prevention.
Correct Answer is C
Explanation
A. This test is used to measure the level of prolactin, a hormone that stimulates milk production. It is not relevant for cervical cancer screening.
B. This test involves taking a sample of tissue from the lining of the uterus. It is used to diagnose endometrial cancer, not cervical cancer.
C. The Papanicolaou test, commonly known as a Pap smear, is the standard screening test for cervical cancer. It involves collecting cells from the cervix to detect any precancerous changes or cervical cancer itself. This is the correct answer, as it directly relates to cervical cancer screening.
D. This test uses sound waves to create images of the vagina and cervix. It can be used to evaluate the cervix for abnormalities, but it is not as sensitive as a Pap test for detecting cervical cancer.
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