Nursing Elites

1. A client is admitted to the emergency room with a respiratory rate of 7/min. Arterial blood gases (ABG) reveal the following values. Which of the following is an appropriate analysis of the ABGs? pH 7.22, PaCO2 68 mm Hg, Base excess -2, PaO2 78 mm Hg, Saturation 80%, Bicarbonate 26 mEq/L

• A. Respiratory acidosis
• B. Metabolic acidosis
• C. Metabolic alkalosis
• D. Respiratory alkalosis

Correct answer: A

Rationale: The ABG values provided indicate respiratory acidosis. In respiratory acidosis, there is an increase in PaCO2 above the normal range (35-45 mm Hg) leading to a decrease in pH (<7.35). In this case, the pH is 7.22 (below normal) with an elevated PaCO2 of 68 mm Hg. The other values do not suggest metabolic acidosis (which would typically show low bicarbonate levels) or metabolic alkalosis. Therefore, the correct interpretation of the ABGs is respiratory acidosis.

2. A healthcare professional is reviewing the arterial blood gas results for a client in the ICU who has kidney failure and determines the client has respiratory acidosis. Which of the following findings should the healthcare professional expect?

• A. Widened QRS complexes
• B. Hyperactive deep tendon reflexes
• C. Bounding peripheral pulses
• D. Warm, flushed skin

Correct answer: A

Rationale: Respiratory acidosis is characterized by an increase in carbon dioxide levels in the blood, leading to acidosis. This condition can affect the heart's electrical conduction system, resulting in widened QRS complexes on an electrocardiogram (ECG). Hyperactive deep tendon reflexes, bounding peripheral pulses, and warm, flushed skin are not typically associated with respiratory acidosis.

3. When caring for a newborn with macrosomia born to a mother with diabetes mellitus, which newborn complication should the nurse prioritize care for?

• A. Hypoglycemia
• B. Hypomagnesemia
• C. Hyperbilirubinemia
• D. Hypocalcemia

Correct answer: A

Rationale: In newborns of diabetic mothers with macrosomia, hypoglycemia is the priority focus of care due to the risk of developing low blood sugar levels after birth. Infants born to diabetic mothers are at risk of hypoglycemia because they have been exposed to high glucose levels in utero and produce high levels of insulin. Hypoglycemia can lead to serious complications if not promptly identified and managed, making it crucial for nurses to closely monitor blood glucose levels and provide necessary interventions to prevent adverse outcomes.

4. A client in a prenatal clinic is being taught by a nurse in her second trimester with a new diagnosis of gestational diabetes. Which of the following client statements indicates a need for further teaching?

• A. I should limit my carbohydrates to 50% of caloric intake.
• B. I will reduce my exercise schedule to 3 days a week.
• C. I will take my glyburide daily with breakfast.
• D. I know I am at increased risk of developing type 2 diabetes.

Correct answer: B

Rationale: Choice B, 'I will reduce my exercise schedule to 3 days a week,' indicates a need for further teaching. Regular exercise is beneficial in managing gestational diabetes and should not be reduced without proper guidance. Choices A, C, and D demonstrate understanding and appropriate actions in managing gestational diabetes.

5. A client with severe preeclampsia is receiving magnesium sulfate IV at 2 g/hr. Which of the following findings indicates that it is safe to continue the infusion?

• A. Diminished deep-tendon reflexes
• B. Respiratory rate of 16/min
• C. Urine output of 50 mL in 4 hours
• D. Heart rate of 56/min

Correct answer: B

Rationale: A respiratory rate of 16/min within the normal range is an essential parameter to monitor when administering magnesium sulfate, as respiratory depression is a potential adverse effect. Diminished deep-tendon reflexes may indicate magnesium toxicity, warranting immediate intervention. A urine output of 50 mL in 4 hours is below the expected amount, suggesting decreased kidney perfusion, which can be exacerbated by magnesium sulfate. A heart rate of 56/min is bradycardic and may indicate magnesium toxicity, requiring assessment and possible discontinuation of the infusion.

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