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A nurse is providing care for a client experiencing obstructive shock. Which of the following diagnoses should the nurse expect?

A.

Cardiac tamponade

B.

Third spacing

C.

Ruptured aneurysm

D.

Cardiomyopathy

Answer and Explanation

The Correct Answer is A

A. Cardiac tamponade is a condition where fluid accumulates in the pericardial space, exerting pressure on the heart and impeding its ability to pump effectively, leading to obstructive shock.  

 

B. Third spacing refers to fluid accumulation in the interstitial spaces but is not a specific diagnosis of obstructive shock.  

 

C. A ruptured aneurysm may lead to hypovolemic shock due to blood loss rather than obstructive shock, which is characterized by physical obstruction to blood flow.  

 

D. Cardiomyopathy is a disease of the heart muscle that affects its ability to pump blood, leading to cardiogenic shock, not obstructive shock.


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View Related questions

Correct Answer is A

Explanation

A. The CD4-T-cell count of 180 cells/mm3 is a critical measure of immune function in an HIV-positive client, indicating progression of the disease and risk for opportunistic infections. Values below 200 cells/mm3 signify the client has progressed to AIDS.

B. A positive Western blot test confirms the presence of HIV but does not indicate the immediate health risk or necessary interventions.

C. A platelet count of 150,000/mm3 is within the normal range, thus not indicative of any urgent concerns.

D. A WBC count of 5,000/mm3 is also within normal limits and does not highlight an immediate issue that needs addressing compared to the CD4 count.

Correct Answer is B

Explanation

A. Metabolic alkalosis is characterized by an increased pH and increased HCO3 levels, which does not fit the provided values.

B. The low HCO3 of 18 mEq indicates a metabolic acidosis, as the body is unable to retain enough bicarbonate to balance the acid levels, and the pH is also low at 7.30, confirming acidosis.

C. Respiratory alkalosis would show a high pH and low PaCO2, which is not the case here.

D. Respiratory acidosis would be indicated by a high PaCO2 and a low pH, but the HCO3 level is low, indicating a metabolic issue rather than a respiratory one.

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