Counting Cells
A laboratorian is asked to find the WBC for a blood specimen with a low level of WBCs. A 1/100 dilution was carried out and 78 WBCs were counted in quadrant 1 and 2 of both chambers. Determine the total WBC count and assume the depth is 0.1 mm.
19500 WBCs/mm^3
Calculate the viability of the provided sample when the following has been counted.
Live cell count: 562,300 cells/mL
Dead cell count: 58,530 cells/mL
90.6%
A 12 hour urine sample contained 0.75L of urine and had a creatinine concentration of 85mg/dL. Find the flow rate.
1.042 mL/min
A 12 hour urine sample contained 0.75L of urine and had a creatinine concentration of 85mg/dL. Find the total amount of creatinine excreted by this patient for the day.
1.275 g/day
A health care professional collected a total volume of 1550 mL of urine in 24 hours from a patient. A specialist then ran tests to determine the patient's urine and plasma creatinine concentrations. They were found to be 170 mg/dL and 1.2 mg/dL, respectively. Find the creatinine clearance.
152.48 mL/min
A laboratorian is asked to find the RBC for a blood specimen. A 1/500 dilution was carried out and 450 RBCs were counted in the four corners and middle square of the large middle square in both chambers. Determine the total RBC count and assume the depth is 0.1 mm.
5625000 RBCs/mm^3
Find the percentage of viable cells, if there is a total of 1520 cells including 1230 unstained cells.
80.9%
A 12-hour urine specimen contained 700 mL of urine and had a creatinine concentration of 75 mg/dL. Find the flow rate.
0.972 mL/min
A 12-hour urine specimen contained 700 mL of urine and had a creatinine concentration of 75 mg/dL. Find the total amount of creatinine for the day.
1.05 g/day
In a 12- hour period a total volume of 750 mL of urine was collected. The creatinine concentration in the urine was 170 mg/dL and the concentration of creatinine in the plasma was found to be 1.7 mg/dL. Find the creatinine clearance.
104.167 mL/min
A laboratorian is asked to find the WBC for a blood specimen. A 1/200 dilution was carried out and 45 WBCs were counted in the four corners of the upper right square of one chamber. Determine the total WBC count and assume the depth is 0.1 mm.
360000 WBCs/mm^3
Calculate the viability of the provided sample when the following has been counted.
Live cell count: 180,500 cells/mL
Dead cell count: 5,200 cells/mL
97.2%
In an 8-hour period 500 mL of urine was collected from a patient. It was found to have a protein concentration of 35 mg/dL. Find the flow rate.
1.042 mL/min
In an 8-hour period 500 mL of urine was collected from a patient. It was found to have a protein concentration of 35 mg/dL. Find the total amount of protein excreted for the day.
525 mg/day
A health care professional collected a total volume of 0.45L of urine in 6 hours from a patient. A laboratorian then ran tests to determine the patient's urine and plasma creatinine concentrations. They were found to be 160 mg/dL and 1.1 mg/dL, respectively. Find the creatinine clearance.
181.82 mL/min
A laboratorian is asked to find the RBC for a blood specimen. A 1/300 dilution was carried out and 375 RBCs were counted in the four corners of the large middle square in one chamber. Determine the total RBC count and assume the depth is 0.1 mm.
7031250 RBCs/mm^3
Find the percentage of viable cells, if there is a total of 5210 cells including 1130 stained cells.
78.3%
In an 8-hour period a total volume of 600 mL of urine was collected. It was found to have 50 mg/dL of creatinine. Find the flow rate.
1.25 mL/min
In an 8-hour period a total volume of 600 mL of urine was collected. It was found to have 50 mg/dL of creatinine. Find the total amount of creatinine for the day.
0.9 g/day
A very small patient had a body size of 1.32 square meters. Her 8-hour urine sample had a volume of 400 mL. Her creatinine urine concentration was 150mg/dL and her creatinine plasma concentration was 3.3 mg/dL. Find the patient's creatinine clearance.
49.64 mL/min
A laboratorian is asked to find the WBC for a blood specimen with a low level of WBCs. A 1/10 dilution was carried out and 70 WBCs were counted in the upper left square of both chambers. Determine the total WBC count and assume the depth is 0.1 mm.
3500 WBCs/mm^3
Calculate the viability of the provided sample when the following has been counted.
Live cell count: 4,655,500 cells/mL
Dead cell count: 73,000 cells/mL
98.7%
In an 8 hour period a total volume of 550 mL of urine was collected. It was found to have a creatinine concentration of 43 mg/dL. Find the flow rate.
1.146 mL/min
In an 8 hour period a total volume of 550 mL of urine was collected. It was found to have a creatinine concentration of 43 mg/dL. Find the total amount of creatinine excreted for the day.
0.7095 g/day
An obese patient had a body size of 2.60 square meters. His 12-hour urine sample had a volume of 1000 mL. His creatinine urine and plasma concentrations were 120mg/dL and 3.9mg/dL, respectively. Find this patient's creatinine clearance.
28.5 ml/min