Exam 1: Introduction

Which component of blood passes through blood vessel walls into surrounding tissues to defend the body against invading foreign antigens?

The predominant blood leukocyte found in children is the:

Which of the following blood constituents is associated with increased red blood cell destruction?

Which of the following can explain a decrease in the number of circulating erythrocytes?

When decreased in concentration,which of the following formed elements could result in hypoxia?

When bilirubin is increased above the reference range,what disease process should be suspected if liver disease is ruled out?

What component of plasma assists in the transport of bilirubin?

The protein found in erythrocytes that is responsible for oxygen transport is:

What percentage of the total blood volume is composed of formed elements?

The liquid portion of blood is called:

Which of the following could be reflexed as the result of an abnormal RBC count?

An unlabeled blood collection tube is delivered to the hematology laboratory.The laboratory professional requests a redraw because an error in which phase of laboratory testing has occurred?

Which two populations account for the greatest difference in reference intervals?

Explain how the hemostatic pathway is activated in times of need.

Which of the following represents an event in the pre-examination phase of laboratory testing?

Which of the following tests could be reflexed as the result of an abnormal prothrombin time?

Patients who are unable to dissolve a fibrin blood clot are likely to present with which of the following pathologies?

An abnormal test result is defined as:

Which of the following is not a cellular component of blood?

Explain how screening tests and reflexing testing are related.