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Urinalysis and Urine Composition Quiz

#1

Which of the following is not a component of urine?

Glucose
Explanation

Glucose is not a normal component of urine; its presence may indicate diabetes.

#2

What is the normal pH range of urine?

6.0 - 7.0
Explanation

The normal pH range of urine is 6.0 - 7.0, indicating slight acidity to neutral conditions.

#3

What is the primary function of the urinary system?

Excretion of waste products
Explanation

The primary function of the urinary system is the excretion of waste products from the body through urine.

#4

Which of the following is a common method used to collect urine for analysis?

Midstream clean catch
Explanation

Midstream clean catch is a common method for collecting urine samples, reducing contamination for accurate analysis.

#5

Which hormone is responsible for regulating water reabsorption in the kidneys?

Antidiuretic hormone (ADH)
Explanation

Antidiuretic hormone (ADH) regulates water reabsorption in the kidneys, influencing urine concentration.

#6

What is the medical term for the presence of blood in urine?

Hematuria
Explanation

Hematuria is the medical term for the presence of blood in urine, which may indicate various conditions.

#7

Which of the following is a function of the kidneys in urine production?

Hormone secretion
Explanation

The kidneys play a role in hormone secretion as part of their function in urine production.

#8

What does the presence of ketones in urine indicate?

Diabetic ketoacidosis
Explanation

Ketones in urine suggest diabetic ketoacidosis, a serious complication of diabetes.

#9

What does specific gravity measure in urine?

Concentration of solutes
Explanation

Specific gravity in urine measures the concentration of dissolved solutes, indicating the kidney's ability to concentrate urine.

#10

Which condition is associated with the presence of proteinuria?

Hypertension
Explanation

Proteinuria (presence of protein in urine) is associated with conditions like hypertension.

#11

Which of the following conditions can cause bilirubin to appear in urine?

Liver disease
Explanation

Bilirubin in urine is a sign of liver disease, indicating impaired bilirubin processing.

#12

What is the normal range for urinary sodium concentration?

50 - 100 mEq/L
Explanation

The normal range for urinary sodium concentration is 50 - 100 mEq/L, reflecting electrolyte balance.

#13

Which substance is normally not found in urine?

Hemoglobin
Explanation

Hemoglobin is not a normal component of urine; its presence may indicate kidney damage or other conditions.

#14

What is the significance of urinary casts in urinalysis?

Indicates kidney disease
Explanation

Urinary casts in urinalysis indicate the presence of kidney disease, such as inflammation or injury.

#15

Which of the following is not a common method for assessing urine sediment?

Dark-field microscopy
Explanation

Dark-field microscopy is not a common method for assessing urine sediment; methods like centrifugation are more typical.

#16

Which of the following is not a component of urine sediment?

Renin
Explanation

Renin is not a component of urine sediment; sediment typically includes cells, crystals, and other particles.

#17

Which of the following substances can cause false-positive glucose results in urine?

Ascorbic acid
Explanation

Ascorbic acid can cause false-positive glucose results in urine tests, affecting the accuracy of glucose measurements.

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