Chapter 16: Interpreting Clinical Laboratory Data

Chapter 16: Interpreting Clinical Laboratory Data

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. Which of the following is NOT one of the formed elements in the blood?

ANS:  D

The complete blood count (CBC) is routinely performed from a venous blood sample and examines the formed elements in the blood. It provides a detailed description of the number of circulating white blood cells (WBCs), called leukocytes, red blood cells (RBCs), called erythrocytes, and platelets, called thrombocytes.

DIF:    Recall             REF:   p. 358            OBJ:   2

2. What term is used to describe a white blood cell (WBC) count that is above normal values?

ANS:  A

Elevation of the WBC count is known as leukocytosis.

DIF:    Recall             REF:   p. 358            OBJ:   2

3. What term is used to describe a white blood cell (WBC) count that is below normal values?

ANS:  C

A WBC count that is below normal is known as leucopenia.

DIF:    Recall             REF:   p. 358            OBJ:   2

4. Which of the following is NOT a cause of leukopenia?

ANS:  D

Diseases of the bone marrow (e.g., leukemia, lymphoma) and chemotherapy and radiation therapy for cancer are common causes of leukopenia.

DIF:    Recall             REF:   p. 358            OBJ:   2

5. What type of white blood cell increases in response to allergic reactions?

ANS:  B

See Table 16-2 for a list of the normal differential counts in the adult patient and common causes for elevation of each cell type.

DIF:    Recall             REF:   p. 359            OBJ:   2