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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. Respiratory acidosis is characterized by a low pH (7.32) and an elevated PaCO2 (48 mm Hg), indicating that the body is unable to eliminate CO2 effectively, leading to acid retention. The HCO3 level is within normal limits, suggesting that there is not a metabolic compensation occurring yet.

B. Metabolic alkalosis would present with a high pH and elevated bicarbonate levels, which is not the case here.

C. Respiratory alkalosis typically shows a high pH and low PaCO2, indicating hyperventilation, which does not align with the current findings.

D. Metabolic acidosis would show a low pH with a low HCO3, which is not supported by the HCO3 level of 23 mEq/L in this case.

Correct Answer is C

Explanation

A. Pneumocystis lung infection is an opportunistic infection that typically occurs in later stages of HIV/AIDS when the immune system is significantly weakened, not during the initial phase of infection.

B. Fungal and bacterial infections are also associated with advanced HIV/AIDS due to immunosuppression and not seen in the initial phase of infection.

C. Flu-like symptoms and night sweats are common initial symptoms of HIV infection, often occurring 2-4 weeks after exposure during the acute retroviral syndrome phase.

D. Kaposi's sarcoma is a cancer associated with advanced HIV/AIDS and does not manifest during the initial symptoms of infection.

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