Cast

Question 1

Elements that is unique to the kidney.
Formed within distal convoluted tubules and collecting ducts.

Answer 1

Casts

Question 2

Examination of cast

Answer 2

Using low power magnification

Question 3

Dissolves quickly in dilute, alkaline urine

Answer 3

Cast matrix

Question 4

Manner of reporting of cast

Answer 4

Average number per 10 lpfs

Question 5

Major constituent of casts, cannot detected by reagent strip

Answer 5

Uromodulin

Question 6

Formation of casts at the junction of ascending loop of Henley and the DCT may produce structures with a tapered ends

Answer 6

Cylindroids

Question 7

Presence of urinary casts

Answer 7

Cylindruria

Question 8

Any elements present in the tubular filtrate, including cells, bacteria, granules, pigments, and crystals, may become embedded in or attached to the _______

Answer 8

Cast matrix

Question 9

Most frequently seen cast

Answer 9

Hyaline casts

Question 10

Consists of almost entirely of uromodulin

Answer 10

Hyaline cast

Question 11

Normal range of hyaline cast

Answer 11

0-2/lpf

Question 12

Increased finding of hyaline cast

Answer 12

-strenuous exercise
-heat exposure
-emotional stress
-dehydration

Question 13

Pathologic increase of hyaline cast

Answer 13

-acute glomerulonephritis
-pyelonephritis
-chronic renal disease
-congestive heart failure

Question 14

Appearance of hyaline cast

Answer 14

Colorless in unstained sedmiments

Question 15

Stain that produces pink color in hyaline cast

Answer 15

Sternheimer-Malbin stain

Question 16

Microscope used to increase visualization of hyaline cast

Answer 16

Phase microscope

Question 17

Morphology of hyaline cast that indicates aging of cast matrix

Answer 17

-Normal parallel sides
-rounded ends
-cylindroid forms
-wrinkled or convoluted shapes

Question 18

Showing bleeding within the nephron

Answer 18

RBC cast

Question 19

Indicates bleeding from an area within the genitourinary tract

Answer 19

RBC cast

Question 20

RBC casts associated with glomerular damage are usually associated with ________

Answer 20

Proteinuria

Question 21

Cell lysis begins and the cast develops more homogenous appearance

Answer 21

Aging of RBC cast

Question 22

Manner of reporting of RBC cast

Answer 22

Number of RBC casts per lpf

Question 23

The appearance of this cast signifies that urine has infection or inflammation within nephron.

Answer 23

WBC cast