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","C","D"]
Explanation
A. Bacitracin is an antibiotic ointment typically used to prevent or treat bacterial infections in minor cuts and scrapes. It is not appropriate for treating a pruritic rash associated with GVHD. The rash may not be due to an infection but rather an immune response, so using bacitracin would not address the underlying issue.
B. Diphenhydramine (Benadryl) and hydroxyzine are antihistamines that can help alleviate itching and provide relief from pruritus. Requesting a prescription for one of these medications is an appropriate response to manage the symptoms of GVHD.
C. Showering with cool water can soothe irritated skin and reduce itching. Using mild soap helps to avoid further irritation or dryness that harsher soaps can cause. This intervention supports skin care and helps manage pruritus effectively.
D. Clipping fingernails can help prevent skin damage from scratching, which could lead to secondary infections. Encouraging the use of prescribed lotions can help keep the skin moisturized and alleviate dryness, further addressing the pruritus associated with GVHD.
Correct Answer is A
Explanation
A. One of the most common and concerning symptoms of uterine (endometrial) cancer is abnormal vaginal bleeding, particularly postmenopausal bleeding. Any bleeding after menopause is considered abnormal and can be an indicator of uterine cancer, warranting further investigation.
B. While a malodorous vaginal discharge can occur due to infections or other gynecological issues, it is not a primary symptom of uterine cancer. Uterine cancer more commonly presents with bleeding rather than discharge.
C. While some women with advanced uterine cancer may experience pelvic pain or pain during intercourse (dyspareunia), this symptom is not as characteristic or early in the disease process. It is more associated with conditions like endometriosis or pelvic inflammatory disease.
D. This is not a typical manifestation of uterine cancer. While vulvar swelling may be seen in cases of vulvar cancer or infections, it is not a common symptom associated with uterine cancer specifically. Symptoms related to uterine cancer primarily focus on abnormal bleeding.
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