CLINICALLY SIGNIFICANCE OF RED BLOOD CELLS

Question 1

What is the normal value range for the presence of red blood cells (RBCs) in urine sediment per high-power field (HPF)?

A) 5-10 cells/10HPF
B) 0-2 cells/10HPF
C) 15-20 cells/10HPF
D) 3-5 cells/10HPF

Answer 1

B) 0-2 cells/10HPF

Question 2

What is the clinical significance of the presence of red blood cells (RBCs) in the urine?

A) Indicates menstruation contamination
B) Suggests physiologic conditions
C) Associated with damage to the glomerular membrane or vascular injury within the genitourinary tract
D) Indicates a normal and healthy urinary system

Answer 2

C) Associated with damage to the glomerular membrane or vascular injury within the genitourinary tract

Question 3

What is the clinical significance of the presence of red blood cells in urine?

A) They always indicate a pathological condition
B) They suggest menstruation contamination
C) The number of cells present is indicative of the extent of the damage or injury
D) They are an indicator of recent physical exercise

Answer 3

C) The number of cells present is indicative of the extent of the damage or injury