Which of the following blood tests measures how long it takes for a clot to form?
a. erythrocyte sedimentation rate
b. culture and sensitivity
c. hematocrit
d. pro-time
d
Explanation:
a. erythrocyte sedimentation rate: measures rate at which red blood cells settle out of blood to form sediment
b. culture and sensitivity: determines if there is bacteria
c. hematocrit: measures volume of red blood cells
d. pro-time: correct
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