ANATOMY

GENERAL ANATOMY

URINARY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Of the following substances, which are not usually present in urine?
A
urea, phosphorus
B
glucose, protein
C
ketone, sodium
D
potassium, creatinine
Explanation: 

Detailed explanation-1: -Usually, glucose, ketones, protein, and bilirubin are not detectable in urine. The following are not normally found in urine: Hemoglobin.

Detailed explanation-2: -Red blood cells, white blood cells, protein, glucose and amino acids should be kept in the blood. These components should not be present in urine. water and salt is needed by the body and will remain in the blood.

Detailed explanation-3: -Normally, urine contains very little or no glucose. But if you have too much glucose in your blood, your kidneys will get rid of some of the extra glucose through your urine. So, a high level of urine glucose may mean that your blood glucose is high, too, and that could be a sign of diabetes.

Detailed explanation-4: -Ordinarily, urine contains no glucose because the kidneys are able to reabsorb all of the filtered glucose from the tubular fluid back into the bloodstream. Glycosuria is nearly always caused by elevated blood glucose levels, most commonly due to untreated diabetes mellitus.

Detailed explanation-5: -Normally, protein should not be found in the urine. A person who has protein in the urine is said to have proteinuria. Most people have no signs or symptoms of proteinuria. Proteinuria is usually discovered with a urine dipstick test that is done for another reason.

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