A client who is found unresponsive has arterial blood gases drawn, and the results indicate the following:

- pH is 7.12 (normal range: 7.35-7.45)

- PaCO2 is 90 mm Hg (normal range: 35-45)

- HCO3- is 22 mEq/L (normal range: 22-26)

The nurse interprets the results as indicating which condition?

Metabolic alkalosis

Respiratory alkalosis

Respiratory acidosis

Metabolic acidosis

Answer and Explanation

The Correct Answer is C

A. Metabolic alkalosis is characterized by a high pH and elevated bicarbonate levels, which is not present in these results.

B. Respiratory alkalosis would present with an increased pH and decreased PaCO2, which does not apply here.

C. The low pH (7.12) indicates acidemia, and the elevated PaCO2 (90 mm Hg) suggests hypoventilation and respiratory acidosis due to CO2 retention. The bicarbonate level is within normal limits, further supporting respiratory acidosis.

D. Metabolic acidosis would be indicated by a low pH and low bicarbonate levels; however, the bicarbonate is normal in this case, ruling out metabolic acidosis.

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Correct Answer is A

Explanation

A. Presbyopia is a common age-related condition that affects the ability to see close objects clearly, which aligns with the client's difficulty in reading, sewing, and seeing faces up close.

B. While some vision changes are expected with aging, the specific difficulties the client is experiencing suggest a more definitive condition rather than "normal" vision changes.

C. While cataracts can cause vision issues, the specific symptoms described (trouble reading and seeing objects up close) are more characteristic of presbyopia.

D. Glaucoma typically involves peripheral vision loss rather than difficulty with near vision, so this option is not supported by the findings.

A. Response to verbal stimuli B. Affect, feelings, or emotions C. Eye movements D. Insight, judgment, and planning

Correct Answer is C

Explanation

A. Response to verbal stimuli does not directly assess the function of cranial nerves III, IV, and VI.

B. Affect, feelings, or emotions are related to the assessment of other neurological functions and do not evaluate the ocular cranial nerves specifically.

C. Eye movements are the primary function of cranial nerves III (oculomotor), IV (trochlear), and VI (abducens), which control eye movement and provide essential information about their function.

D. Insight, judgment, and planning relate more to cognitive function and do not directly assess the function of the cranial nerves in question.

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A client who is found unresponsive has arterial blood gases drawn, and the results indicate the following: - pH is 7.12 (normal range: 7.35-7.45) - PaCO2 is 90 mm Hg (normal range: 35-45) - HCO3- is 22 mEq/L (normal range: 22-26) The nurse interprets the results as indicating which condition?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client in an assisted living facility who has vision problems. Exhibits Complete the sentence by using the list of options The findings noted by the health care practitioner suggest that

Correct Answer is A

Explanation

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?

Correct Answer is C

Explanation

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A client who is found unresponsive has arterial blood gases drawn, and the results indicate the following:

- pH is 7.12 (normal range: 7.35-7.45)

- PaCO2 is 90 mm Hg (normal range: 35-45)

- HCO3- is 22 mEq/L (normal range: 22-26)

The nurse interprets the results as indicating which condition?