Which of the following is FALSE concerning normal urine?
Urine contains glucose
Urine may contain drugs
Urine contains water
Urine contains uric acid
The Correct Answer is A
A. Urine contains glucose: Glucose is not normally present in urine. Its presence typically indicates hyperglycemia, such as in uncontrolled diabetes mellitus.
B. Urine may contain drugs: Many drugs and their metabolites are excreted in the urine, which is why urine drug testing is possible.
C. Urine contains water: Water is the main component of urine, making up about 95% of its volume.
D. Urine contains uric acid: Uric acid is a normal waste product of purine metabolism, excreted by the kidneys.
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Related Questions
Correct Answer is C
Explanation
A. Is called trypsin: Trypsin is a pancreatic enzyme, but it digests proteins, not fats.
B. Digests lipids to fatty acids and glycogen: Glycogen is related to carbohydrate storage, not a product of fat digestion.
C. Digests fats to fatty acids: Pancreatic lipase breaks down triglycerides into fatty acids and monoglycerides for absorption.
D. Is inactivated by bile: Bile actually emulsifies fats, making them more accessible to pancreatic lipase, not inactivating it.
Correct Answer is A
Explanation
A. Storage: The urinary bladder’s primary function is to store urine until it is excreted during urination.
B. Filtration: Filtration occurs in the glomeruli of the kidneys, not in the bladder.
C. Reabsorption: Reabsorption happens in the renal tubules after filtration in the kidneys.
D. Buffering of H+: Buffering of hydrogen ions occurs in the kidneys and blood, not in the bladder.
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