Clinical Laboratory Hematology 3rd Edition by McKenzie - Test Bank - Updated 2025

Chapter 1: Introduction

Multiple-Choice Questions

Level I

• Which two populations account for the greatest difference in reference intervals?
• Adults and 12-year-olds
• Newborns and 12-year-olds
• Newborns and adults
• Whites and blacks

Correct answer:  C

(Objective 1)

• What component of plasma assists in the transport of bilirubin?
• Enzymes
• Hydrogen
• Calcium
• Albumin

Correct answer:  D

(Objective 3)

• When bilirubin is increased above the reference range, what disease process should be suspected if liver disease is ruled out?
• Increased osmotic pressure
• Hormone imbalance
• Decreased albumin
• Increased metabolism of hemoglobin

Correct answer:  D

(Objective 3, 4)

• Which of the following can explain a decrease in the number of circulating erythrocytes?
• Blood loss
• Infection
• Dehydration
• Neutropenia

Correct answer:  A

(Objective 4)

• Platelets and coagulation proteins are circulating components responsible for what process?
• Hemolysis
• Hemostasis
• Normal cell production
• Immune defense

Correct answer:  B

(Objective 2)

6. The predominant blood leukocyte found in children is the:

a.     Monocyte

b.     Lymphocyte

c.      Neutrophil

d.     Eosinophil

Correct answer: B

(Objective 1)

7. The cellular component of blood that is involved in hemostasis is:

                  a. Leukocyte

                  b. Erythrocyte

                  c. Thrombocyte

                  d. Hemoglobin

Correct answer: C

(Objective 2)