Exam 24: Hematopoietic System

The hematocrit (Hct) represents the

When performing a ⁵¹Cr-labeled splenic sequestration study, the technologist does NOT take counts over the

In a blood sample, the fluid from which a clot is separated is called serum.

To have a cohort label for RBCs, it would be necessary to tag the

Anemia refers to a condition of

A patient can have anemia but have a normal Hct because

Anemia could be the result of all of the following EXCEPT

To have a random label for RBCs, it would be necessary to tag the

The results of a patient's splenic sequestration study demonstrate a spleen-to-liver ratio of 2:1.This result would be considered

The average volume of blood plasma for a normal adult is

The results of a 24-hour Stage I Schilling Test are 4% excretion of the administered dose.This patient should be considered

Serum is plasma with clotting factors.

In a ⁵¹Cr-labeled erythrocyte survival study, a mean normal mean RBC half-life is

When using the ⁵¹Cr-ascorbic acid method to label erythrocytes, the ascorbic acid is added to

The conventional agent used for the estimation of plasma volume is

When blood is collected with an anticoagulant, the whole blood separates into

The life span of an RBC is approximately

The position typically used for a patient undergoing a spleen count as part of a splenic sequestration study is

The values for a patient that has a 2% standard are: Standard = 9500 cpm Urine sample = 658 cpm Urine sample volume = 4 mL Total urine volume = 1300 mL The percent excretion for this patient is

Platelet kinetics are best studied using platelets labeled with