Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove Ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


Reagent PadPrincipleFalse +False -Color ChangeNormal ValueDisease
Leukocyte Granulocytic leukocyte esterase-azo coupling Menstrual Contamination, pigments Increased specific gravity, glucose, protein Beige to violet Neg Inflammation, bacterial infection
Nitrite Griess test, Diazotization reaction, azo dye formation Medications, pigments Ascorbic acid White to pink Neg UTI, pyelonephritis
Urobilinogen Ehrlich's reaction-azocoupling Ehrlich reactive substances Nitrates, formalin Peach to pink 0.1-1.0 Ehrlich unit/dL Liver disease
Protein Protein error of indicator. Tetrabromphenol blue X ray contrast media protein other than albumin Yellow to blue/green Neg Kidney disease
pH Double indicator Methyl red & bromthymol blue Bacterial breakdown of uria Bacterial breakdown of glucose Orange to green to blue 4.5-8.0 Acidic-diabetes Alkaline-kidney
Blood Pseudoperoxidase activity of heme portion of Hgb Menstrual Contamination Ascorbic acid, high specific gravity Yellow to dark green Neg Kidney disease
Specific Gravity PKa change of polyelectrolyte, Ions release H+ Protein 100-500 mg/dl High glucose, urea or pH >6.5 Blue/green to yellow/green 1.002-1.035 Constant 1.010 = isosthenuria
Ketone Sodium nitroprusside reacts with acetoacetic acid Drugs, pigments Improper storage, bacterial breakdown of acetoecacetic acid Beige to pink/purple Neg Diabetes
Bilirubin Coupling reaction w/ diazonium salt Pigments Ascorbic acid Tan to Beige/pink Neg Liver disease
Glucose Double enzyme reaction (glucose oxidase) Bleach Ascorbic acid Blue/green to brown Neg Diabetes
Created by: thesmokinggun