The nurse is caring for a patient with irritable bowel syndrome (IBS) who expresses concern about the safety of the ordered diagnostic test. What nursing statement provides correct information to address the patient's concern?

"Abdominal ultrasound should not be performed if you are pregnant."

"Guaiac-based faecal occult blood testing is a non-invasive test that is commonly performed."

"You will have to remove any device containing metal for a flexible sigmoidoscopy."

"The radiologist will perform the hydrogen breath test under general anaesthesia to protect your airway."

Answer and Explanation

The Correct Answer is B

Choice A reason: "Abdominal ultrasound should not be performed if you are pregnant" is incorrect. Abdominal ultrasound is a safe and non-invasive diagnostic test that can be performed during pregnancy without any risk to the patient or the fetus.

Choice B reason: "Guaiac-based fecal occult blood testing is a non-invasive test that is commonly performed" is correct. This test is used to detect hidden blood in the stool and is commonly used for diagnostic purposes in patients with irritable bowel syndrome (IBS). It is safe and non-invasive.

Choice C reason: "You will have to remove any device containing metal for a flexible sigmoidoscopy" is correct but does not address the safety concern regarding IBS. Patients do need to remove metal objects for certain diagnostic procedures, but the focus should be on providing information about the non-invasive nature of specific tests.

Choice D reason: "The radiologist will perform the hydrogen breath test under general anesthesia to protect your airway" is incorrect. Hydrogen breath tests are typically performed without anesthesia. Patients simply need to blow into a device at specific intervals after ingesting a substance. The test is non-invasive and does not require anesthesia.

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Correct Answer is D

Explanation

Choice A reason: Respiratory alkalosis with uncompensated imbalance would show a low PaCO2, not a normal value.

Choice B reason: Respiratory acidosis with partially compensated imbalance would show a low pH and high PaCO2 with an elevated bicarbonate level.

Choice C reason: Metabolic acidosis with uncompensated imbalance would show a low pH and low bicarbonate level.

Choice D reason: Metabolic alkalosis with partially compensated imbalance is indicated by the elevated pH and bicarbonate level, while

A. Respiratory alkalosis with partial compensation B. Metabolic alkalosis with partial compensation C. Metabolic alkalosis with no compensation D. Metabolic acidosis with partial compensation

Correct Answer is B

Explanation

Choice A reason: Respiratory alkalosis with partial compensation is characterized by a high pH, low PaCO2, and a compensatory decrease in HCO3. In this case, the pH is high (alkaline), PaCO2 is high, and HCO3 is elevated, indicating that the primary disorder is metabolic alkalosis, not respiratory alkalosis.

Choice B reason: Metabolic alkalosis with partial compensation is indicated by a high pH (alkaline), high HCO3 (bicarbonate), and a high PaCO2 (carbon dioxide) as a compensatory mechanism by the respiratory system. In this case, the pH is 7.52 (alkaline), PaCO2 is 55 mmHg, and HCO3 is 30 mEq/L, which fits the profile of metabolic alkalosis with the respiratory system attempting to compensate by retaining CO2.

Choice C reason: Metabolic alkalosis with no compensation would present with a high pH and high HCO3, but normal PaCO2. In this case, the PaCO2 is elevated, indicating that there is some level of respiratory compensation occurring, which rules out the "no compensation" scenario.

Choice D reason: Metabolic acidosis with partial compensation would present with a low pH, low HCO3, and low PaCO2 as a compensatory mechanism. In this case, the pH is high (alkaline), not low, which is inconsistent with metabolic acidosis.

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The nurse is caring for a patient with irritable bowel syndrome (IBS) who expresses concern about the safety of the ordered diagnostic test. What nursing statement provides correct information to address the patient's concern?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is caring for a patient who is lethargic and dehydrated. Arterial blood gas (ABG) results show pH 7.50, PaO2 85 mmHg, PaCO2 45 mmHg, HCO3 35 mEq/L. What acid-base imbalance will the nurse recognize the patient is at risk for?

Correct Answer is D

Explanation

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Correct Answer is B

Explanation

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