A patient has the following blood gases: PaCO2 33, pH 7.50, HCO3 23. Which of the following could NOT be the cause of this condition?

Aspirin toxicity

Fever

Anxiety attack

Chronic obstructive pulmonary disease (COPD)

Answer and Explanation

The Correct Answer is D

A. Aspirin Toxicity:
Effect on Blood Gases: Aspirin toxicity can cause respiratory alkalosis due to increased respiratory rate (hyperventilation), leading to a decreased PaCO2 and increased pH.
Relation to Given Blood Gases: It could potentially cause the observed blood gas values (low PaCO2 and high pH), making it a possible cause.

B. Fever:
Effect on Blood Gases: Fever might cause hyperventilation, resulting in respiratory alkalosis with decreased PaCO2 and increased pH.
Relation to Given Blood Gases: It could potentially cause the observed blood gas values.

C. Anxiety Attack:
Effect on Blood Gases: Anxiety attacks can lead to hyperventilation and subsequent respiratory alkalosis with low PaCO2 and high pH.
Relation to Given Blood Gases: It could potentially cause the observed blood gas values.

D. Chronic Obstructive Pulmonary Disease (COPD):
Effect on Blood Gases: COPD typically causes respiratory acidosis due to impaired gas exchange, resulting in elevated PaCO2 and decreased pH.
Relation to Given Blood Gases: COPD wouldn't typically cause the observed blood gas values of low PaCO2 and high pH.

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Correct Answer is C

Explanation

A. Persistently cold feet:
This may be a sign of poor circulation, which is more associated with peripheral vascular disease than neuropathy.

B. Acute pain, unrelieved by rest:
Acute pain is not typically associated with peripheral neuropathy. Neuropathic pain is often chronic and may include sensations like tingling or burning.

C. The presence of a tingling sensation:
This is correct. Tingling sensations, along with numbness and pain, are common symptoms of peripheral neuropathy in diabetes.

D. Pain that does not respond to analgesia:
While neuropathic pain can be challenging to manage, the primary focus is on the characteristic nature of the pain (tingling, burning) rather than its response to analgesics.

A. Flushed skin B. Palpitations C. Bulging eyes D. Fatigue

Correct Answer is D

Explanation

A. Flushed skin: Flushed or warm skin is more characteristic of hyperthyroidism, where there is an excess of thyroid hormones.

B. Palpitations: Palpitations or a rapid heartbeat are more characteristic of hyperthyroidism, where there is an excess of thyroid hormones.

C. Bulging eyes: Bulging or protruding eyes, known as exophthalmos, is a characteristic sign of Graves' disease, which is a specific type of hyperthyroidism.

D. Fatigue: This is correct. Fatigue is a common symptom of hypothyroidism, reflecting the overall slowing down of the body's processes.

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A patient has the following blood gases: PaCO2 33, pH 7.50, HCO3 23. Which of the following could NOT be the cause of this condition?

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Naxlex Comprehensive Predictor Exams

A nurse is assessing a client who has diabetes for the presence of peripheral neuropathy. The nurse should question the client about what sign or symptom that would suggest the possible development of peripheral neuropathy?

Correct Answer is C

Explanation

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Correct Answer is D

Explanation

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