Choose the best answer for the following questions.

1			When performing a microscopic examination of urine, you should begin with:
			A)	low-power objective (10X) and high lighting
			B)	low-power objective (10X) and low lighting
			C)	high-power objective (45X) and high lighting
			D)	high-power objective (45X) and low lighting
2			When examining urine sediment for casts, you should use:
			A)	low-power objective (10X) and high lighting
			B)	low-power objective (10X) and low lighting
			C)	high-power objective (45X) and high lighting
			D)	high-power objective (45X) and low lighting
3			When examining urine sediment for red blood cells, you should use:
			A)	low-power objective (10X) and high lighting
			B)	low-power objective (10X) and low lighting
			C)	high-power objective (45X) and high lighting
			D)	high-power objective (45X) and low lighting
4			If the microscopic examination of urine sediment shows many white blood cells, what should the chemical analysis show?
			A)	Positive bilirubin
			B)	Positive leukocyte esterase
			C)	Positive protein
			D)	Positive nitrates
5			How many hyaline casts are likely to be found in a normal urine specimen?
			A)	0–1 per low-power field
			B)	2–5 per low-power field
			C)	8–10 per low-power field
			D)	Greater than 10 per low-power field
6			What happens to red blood cells in hypotonic (dilute) urine?
			A)	They crenate
			B)	They lyse
			C)	They change color
			D)	There is no change
7			What is the clinical significance of pyuria?
			A)	Bleeding
			B)	Infection
			C)	Increased protein breakdown
			D)	Poor renal function
8			What is the most commonly found white blood cell in urine?
			A)	Basophil
			B)	Lymphocyte
			C)	Eosinophil
			D)	Neutrophil
9			When performing urine microscopy, about how many fields should be scanned when quantifying urine sediment for the presence of mucus?
			A)	2–5 fields
			B)	5–8 fields
			C)	10–15 fields
			D)	at least 20 fields
10			The presence of waxy casts in the urine indicates which of the following?
			A)	Bleeding
			B)	Infection
			C)	Increased protein breakdown
			D)	Renal disease
11			The presence of 10 red blood cells per high-power field indicates which of the following?
			A)	Bleeding
			B)	Infection
			C)	Increased protein breakdown
			D)	Renal disease
12			The purpose of centrifuging and decanting urine specimens before microscopic analysis is to:
			A)	dilute the urine
			B)	concentrate the urine
			C)	this step is optional
			D)	remove any contaminants