The nurse reviews the arterial blood gas results of an assigned client and notes the laboratory report results

pH of 7.30, [normal pH is 7.35 to 7.45]

Paco2 of 58 mm Hg, [Normal Paco2 is 35 to 45 mm Hg]

Pao2 of 80 mm Hg. [normal is 80-100]

HCO3 of 27 mEq/L (27 mmol/L). [Normal HCO3 is 22-26]

The nurse interprets that the client has which acid-base disturbance?

Respiratory acidosis

Respiratory alkalosis

Metabolic acidosis

Metabolic alkalosis

Answer and Explanation

The Correct Answer is A

A. Respiratory acidosis: The pH is low (indicating acidosis), and the Paco₂ is elevated, which signifies that carbon dioxide retention is causing the acidosis. This pattern indicates respiratory acidosis, as the elevated HCO₃ suggests a compensatory response.

B. Respiratory alkalosis: Respiratory alkalosis would show a high pH with a low Paco₂. This is not consistent with the client’s lab results.

C. Metabolic acidosis: Metabolic acidosis would show a low pH with a low HCO₃. In this case, the HCO₃ is slightly elevated, ruling out metabolic acidosis.

D. Metabolic alkalosis: Metabolic alkalosis would show a high pH with an elevated HCO₃, which does not match the client’s results.

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Correct Answer is F

Explanation

A. This is the correct answer as conjunctivitis, commonly known as pink eye, is characterized by redness, swelling, and discharge from the eye, which is likely what the image shows.

B. Cataracts typically present as clouding of the lens of the eye, leading to blurred vision but do not present with redness or discharge like conjunctivitis.

C. This condition often involves increased intraocular pressure and can lead to vision loss, but it does not usually cause the symptoms depicted in the image of conjunctivitis.

D. This is primarily associated with central vision loss and does not produce the external symptoms of redness or discharge typical of conjunctivitis.

A. asystole B. ventricular fibrillation C. sinus tachycardia D. sinus bradycardia

Correct Answer is B

Explanation

A. Asystole: Asystole would show a flat line with no electrical activity, which is not seen here.

B. Ventricular fibrillation: Ventricular fibrillation is characterized by chaotic, irregular waveforms without distinct P waves, QRS complexes, or T waves. The ECG strip shows this disorganized, erratic electrical activity consistent with ventricular fibrillation.

C. Sinus tachycardia: Sinus tachycardia would display a regular rhythm with identifiable P waves, QRS complexes, and T waves at a faster rate. This is not present in the ECG strip.

D. Sinus bradycardia: Sinus bradycardia would show a slower rate but with an organized rhythm and distinct P, QRS, and T waves. This is not indicated in the strip.

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Naxlex Comprehensive Predictor Exams

Which abnormality is depicted in the image below?

Correct Answer is F

Explanation

How should the nurse interpret the rhythm shown on the electrocardiogram strip shown in the diagram?

Correct Answer is B

Explanation

A nurse in an emergency department is caring for a client who has abdominal pain. Exhibits A nurse is providing teaching to a client who has constipation. Which information should the nurse include? (Select all that apply.)

A nurse is assessing a client's cranial nerves as part of a neurological examination. Which action should the nurse take to assess cranial nerve III?

A nurse is preparing to administer valproic acid 400 mg PO bid for migraine headaches. Available is valproic acid 250 mg/5mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is assessing a client with a history of heart failure who presents with severe edema in the lower extremities. The nurse would document the presence of +4 pitting edema after noting which finding?

A nurse is assessing a client for early manifestations of rheumatoid arthritis (RA). Which change is a manifestation of RA?

What is the rate on the rhythm strip in the image below?

The nurse is performing a neurological assessment on a client and is assessing the function of cranial nerves III, IV, and VI. Assessment of which aspect of function will yield the best information about these cranial nerves?

Providing a safe and comfortable environment, applying critical thinking, and identifying cues presented by the patient is