Which clinical manifestations would the nurse expect to find during their assessment of a patient with right heart failure (RHF)?
Enlarged liver and peripheral edema.
Crackles in the lungs.
Dry hacking cough.
Altered mentation with pinpoint pupils.
The Correct Answer is A
Choice A rationale
Enlarged liver (hepatomegaly) and peripheral edema are common clinical manifestations of right heart failure (RHF). RHF leads to congestion of systemic circulation, causing fluid accumulation in the liver and peripheral tissues.
Choice B rationale
Crackles in the lungs are more commonly associated with left-sided heart failure, where fluid backs up into the pulmonary circulation, leading to pulmonary edema.
Choice C rationale
A dry hacking cough is not a typical symptom of right heart failure. It is more commonly associated with respiratory conditions such as asthma or bronchitis.
Choice D rationale
Altered mentation with pinpoint pupils is not a characteristic of right heart failure. These symptoms are more indicative of neurological conditions or opioid overdose.
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Correct Answer is A
Explanation
Choice A rationale
A positive Brudzinski’s sign is indicative of meningitis. It involves involuntary lifting of the legs when the neck is flexed, suggesting meningeal irritation.
Choice B rationale
A positive Babinski’s sign indicates central nervous system pathology but is not specific to meningitis. It involves dorsiflexion of the big toe when the sole of the foot is stimulated.
Choice C rationale
A positive Romberg’s sign indicates issues with proprioception and balance but is not specific to meningitis. It involves swaying or falling when standing with eyes closed.
Choice D rationale
A positive Murphy’s sign indicates gallbladder inflammation (cholecystitis) and is not related to meningitis. It involves pain on palpation of the right upper quadrant during inspiration.
Correct Answer is C
Explanation
Choice A rationale
Urine specific gravity of 1.029 indicates concentrated urine, which is common in dehydration but not specific to prerenal AKI. It reflects the kidney’s ability to concentrate urine in response to fluid deficit.
Choice B rationale
BUN of 28 mg/dL can indicate dehydration or renal impairment. However, it is not as specific as creatinine in diagnosing prerenal AKI. BUN can be elevated due to other factors like high protein intake or gastrointestinal bleeding.
Choice C rationale
Creatinine of 2.4 mg/dL is a critical indicator of kidney function. Elevated creatinine levels are more specific to renal impairment, including prerenal AKI, as they reflect the kidney’s ability to filter waste products.
Choice D rationale
Dry mucous membranes are a sign of dehydration but are not specific to prerenal AKI. They indicate fluid volume deficit but do not directly reflect kidney function.