Genitourinary System Flashcards

1
Q

What are the organs involved with GU system?

A
Renal artery and vein
Kidneys
Adrenal gland
Ureter
Urinary bladder
Urethra
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2
Q

What are the functions of the kidneys?

A

Maintain blood homeostasis

  • Excrete waste
  • Keep nutrients
  • Maintain electrolytes
  • Maintain acid/base balance
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3
Q

What is the function of the ureters?

A

Bring urine to the bladder

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4
Q

What is the function of the bladder?

A

Store urine prior to micturition

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5
Q

What is the function of the urethra?

A

Expel urine from the bladder

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6
Q

What is normal urine made of?

A

Water, urea (nitrogenous waste), uric acid (waste from purine metabolism), creatinine (released during anaerobic muscle activity), sodium, potassium, phosphates, sulphates, calcium, magnesium

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7
Q

When would glucose be found in urine?

A

Recent intake of sugary food, presence of DM

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8
Q

When would protein be found in urine?

A

Physical exertion, high protein diet, hypertension, glomerulonephritis

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9
Q

When would ketone bodies be found in urine?

A

Starvation, untreated DM

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10
Q

When would hemoglobin be found in urine?

A

Hemolytic anemia, severe burns

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11
Q

When would bile be found in urine?

A

Hepatitis, cirrhosis, bile obstruction

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12
Q

When would erythrocytes be found in urine?

A

Bleeding due to trauma, kidney stones, infection, cancer

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13
Q

When would leukocytes be found in urine?

A

UTI

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14
Q

What is EPO?

A

Erythropoetin - produced by kidneys, controls RBC production

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15
Q

What effect does kidney disease have on blood values?

A

Chronic anemia - using recombinant EPO eliminates anemia as a major cause of morbidity in dialysis patients

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16
Q

What is creatinine? (Cr)

A

End product of muscle metabolism
Cellular waste product in urine
Increased Cr in venous blood indicates impaired renal function

17
Q

What are normal values for Cr?

A

Female: 0.5 - 1.0 mg/dL
Males: 0.7-1.2 mg/dL

18
Q

What is BUN?

A

Blood urea nitrogen - end product of protein and amino acid metabolism
Normal: 5-30 mg/dL

19
Q

What does increased BUN indicate?

A
Decreased renal function
Reduced fluid intake
Increased muscle catabolism
Increased protein intake
Acute renal infection
20
Q

Which blood lab values do not require activity modification when abnormal?

A

Na, CO2/HCO3, Cl, Creatinine, BUN

21
Q

Which lab values change with renal impairment?

A

Creatinine and BUN both rise