Urinary 2 Flashcards

1
Q

why is urinalysis a routine part of a physical examination

A

finding substances in urine that are abnormal may indicate pathology

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2
Q

what substance is responsible for the normal yellow color of urine

A

urochrome

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3
Q

why does urine have higher specific gravity than water

A

the dissolved substances in urine make it denser than water

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4
Q

what three constituents might be present if a UTI exists

A

WBCs, casts, RBCs

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5
Q

how does a UTI influence urine pH

A

makes it more alkaline

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6
Q

how does starvation affect urine pH

A

makes it acidic

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7
Q

presence of erythrocytes in the urine

A

hematuria

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8
Q

presence of hemoglobin in the urine

A

hemoglobinuria

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9
Q

presence of glucose in the urine

A

glycosuria

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10
Q

presence of albumin in the urine

A

albuminuria

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11
Q

presence of ketone bodies in the urine

A

ketonuria

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12
Q

presence of pus(WBC) in the urine

A

pyuria

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13
Q

what are renal calculi

A

kidney stones

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14
Q

what conditions favor kidney stone formation

A

UTI, alkaline urine, urinary retention

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15
Q

why is albumin not normally in the urine

A

it is too large to pass through the filtration membrane

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16
Q

what is associated with low specific gravity in urine

A

diabetes insipidus

17
Q

what is associated with high specific gravity in urine

A

diabetes mellitus and pyelonephritis

18
Q

what is associated with glucose in urine

A

diabetes mellitus and eating an excessive amount of sweets

19
Q

what is associated with albumin in urine

A

glomerulonephritis and pregnancy

20
Q

what is associated with blood cells in urine

A

kidney stones

21
Q

what is associated with hemoglobin in urine

A

hemolytic anemias

22
Q

what is associated with bilirubin in urine

23
Q

what is associated with ketone bodies in urine

A

cystitis, starvation, and diabetes mellitus

24
Q

what is associated with casts in urine

A

pyelonephritis and glomerulonephritis

25
what is associated with pus in the urine
cystitis, gonorrhea, and pyelonephritis
26
what are the three nitrogenous wastes found in the urine
creatine, urea, and uric acid
27
what do organized sediments form
crystallize or precipitate out of solution
28
what do disorganized sediments contain
cellular elements
29
what is in lesser concentration in the urine than in the glomerular filtrate
water, sodium ions, amino acids, glucose
30
what is absent from both urine and glomerular filtrate
albumin, RBCs, WBCs, and nitrites