Question 1

An examination in which the different kinds of white blood cells are counted and reported as percentages of the total examined or absolute (actual number) is called

Accepted Answer

A differential white blood cell count is an examination in which the different kinds of WBCs are counted and reported as percentages of the total examined.

Question 2

A patient is to begin taking iron supplements. The nurse evaluates the patient's understanding of the use of this drug. Which indicates that she has an adequate knowledge base?

Accepted Answer

An oral iron supplement may turn the stool black.

Question 3

The patient has a history of iron deficiency anemia. The value most indicative of iron deficiency anemia is

Accepted Answer

Blood studies will show RBC count and hemoglobin and hematocrit levels to be below normal. The normal hemoglobin level is 14 to 18 g/dL for males.

Question 4

In an adult, erythrocytes are continuously produced in the

Accepted Answer

Erythrocytes are continuously produced in the red bone marrow, principally in the vertebrae, ribs, and sternum.

Question 5

The patient has agranulocytosis with a neutrophil count of 10%. The most important nursing intervention would be

Accepted Answer

Nursing interventions are directed toward protecting the patient from potential sources of infection. Neutrophils ingest bacteria and dispose of dead tissue. They are the primary phagocytic cells involved in acute inflammatory response.

Question 6

When developing a care plan for a patient just diagnosed with leukemia, which two nursing diagnoses are the most appropriate to use?

Accepted Answer

Coping mechanisms may be strained because of pain, change of body image, or fear of death.

Question 7

The patient, age 35, is admitted with aplastic anemia. He asks the nurse what aplastic anemia is. An accurate response would be that

Accepted Answer

Aplastic anemia or aplasia (a hematological term for a failure of the normal process of cell generation and development) has two etiologic classifications: congenital and acquired. All three major blood elements (RBCs, WBCs, platelets) are reduced or absent.

Question 8

Erythrocytes are also known as

Accepted Answer

Erythrocytes (red blood cells) give blood its rich, red color.

Question 9

Pernicious anemia results from inadequate absorption of

Accepted Answer

Because the intrinsic factor is not available to combine with B₁₂, transport of this necessary vitamin to the ileum is prevented.

Question 10

Which is a normal blood value for lymphocytes?

Accepted Answer

Normal values of lymphocytes are 20% to 40%.

Question 11

A patient, age 24, is admitted with idiopathic thrombocytopenic purpura and a platelet count of 18,000/mm³. An appropriate nursing intervention would be to

Accepted Answer

Significant risk for serious bleeding occurs when the count is below 20,000/mm³.

Question 12

The element that makes up 55% of the blood is

Accepted Answer

Plasma constitutes 55% of the blood's volume; the remaining 45% is composed of the blood cells and platelets.

Question 13

Leukocytes are also known as

Accepted Answer

Unlike the erythrocytes, the leukocytes (white blood cells) have nuclei, are colorless, and live from a few days to several years.

Question 14

The spleen stores how many milliliters of blood that can be released in emergencies?

Accepted Answer

The spleen stores 1 pint of blood, which can be released during emergencies.

Question 15

A patient, an African American, is the mother of a 9-year-old child with sickle cell anemia. She asks the nurse if sickle cell anemia occurs frequently in her race. The correct response is that

Accepted Answer

Approximately one of every 10 African Americans has sickle cell traits, and approximately one of every 500 has sickle cell anemia.

Question 16

A patient has a test ordered to determine why he is having fatigue and soreness of the tongue. A test that will measure the absorption of radioactive vitamin B₁₂ is

Accepted Answer

The Schilling test is a laboratory blood test for diagnosing pernicious anemia. The test measures the absorption of radioactive vitamin B₁₂.

Question 17

The process by which certain cells engulf and digest microorganisms and cellular debris is called

Accepted Answer

Phagocytosis is the process by which bacteria, cellular debris, and solid particles are destroyed and removed.

Question 18

The presence of excess bands in the peripheral blood that indicate severe infection is called

Accepted Answer

The presence of excess bands in the peripheral blood is called a shift to the left (i.e., a shift toward immature cells) and indicates severe infection.

Question 19

Which is a normal blood value for eosinophils?

Accepted Answer

Normal values of eosinophils are 1% to 4%.

Question 20

Which nursing intervention does the nurse plan for a patient who has multiple myeloma?

Accepted Answer

Increase fluid intake to 3000 to 4000 mL/day.

Quiz 7: Care of the Patient With a Blood or Lymphatic Disorder