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Importance of Tests of Renal Function

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Questions and Answers

What is the primary metabolic function of the kidneys?

Regulation of arterial blood pressure

Site for gluconeogenesis (correct)

Regulation of electrolyte balance

Regulation of water balance

What does an elevated BUN (>60 mg/dL) typically indicate?

Normal kidney function

A moderate-to-severe degree of renal failure (correct)

Acute renal disease

A mild degree of renal failure

Which of the following conditions is NOT associated with increased BUN levels?

Chronic renal disease

Liver failure (correct)

Impaired renal function

Diabetes mellitus with ketoacidosis

What could cause a temporary increase in BUN levels?

Dehydration or shock Signup and view all the answers

In which condition are decreased BUN levels observed?

Liver failure Signup and view all the answers

Which of the following conditions is NOT associated with increased blood creatinine levels?

Small stature Signup and view all the answers

What is the main reason why serum creatinine is considered a better indicator of renal function?

It is an endogenous substance Signup and view all the answers

Which condition is characterized by decreased blood creatinine levels?

Inadequate dietary protein Signup and view all the answers

In which of the following conditions would you expect increased blood creatinine levels?

Dehydration Signup and view all the answers

Why is plasma creatinine considered a better indicator of renal function than BUN (Blood Urea Nitrogen)?

Plasma creatinine is not reabsorbed by the renal tubules Signup and view all the answers