Chapter 24 Hematologic Emergencies Flashcards
- Regulatory functions of blood include:
A) carrying nutrients throughout the body.
B) transporting hormones to their target organs.
C) transporting oxygen from the lungs to the tissues.
D) carrying antibodies that protect against foreign organisms.
Ans: B
Page: 1245
Type: General Knowledge
- The volume of plasma in an adult with a total blood volume of 6.5 liters is approximately:
A) 3.6 liters.
B) 4.1 liters.
C) 4.5 liters.
D) 5.1 liters.
Ans: A
Page: 1245
Type: General Knowledge
- Formed elements of the blood account for approximately ___% of the total blood volume.
A) 25
B) 35
C) 45
D) 55
Ans: C
Page: 1245
Type: General Knowledge
- Most of the blood’s formed elements are:
A) platelets.
B) leukocytes.
C) electrolytes.
D) erythrocytes.
Ans: D
Page: 1245
Type: General Knowledge
- Red blood cell production is stimulated by erythropoietin, which is secreted by the:
A) liver.
B) spleen.
C) kidneys.
D) bone marrow.
Ans: C
Page: 1245
Type: General Knowledge
- The hematocrit is the:
A) ratio of red blood cells to platelets.
B) overall proportion of red blood cells in the blood.
C) percentage of blood accounted for by the plasma.
D) percentage of hemoglobin found within red blood cells.
Ans: B
Page: 1245
Type: General Knowledge
- You would expect a person’s hematocrit to be low if he or she:
A) is dehydrated.
B) is hemorrhaging.
C) has polycythemia.
D) is losing plasma.
Ans: B
Page: 1245-1246
Type: General Knowledge
- Approximately one third of the body’s platelets:
A) are stored in the spleen.
B) are produced by the liver.
C) circulate in the bloodstream.
D) have a life span of 72 hours.
Ans: A
Page: 1246
Type: General Knowledge
- A patient with thrombocytopenia:
A) is severely anemic.
B) has blood that clots rapidly.
C) has a decreased platelet count.
D) is at high risk for a pulmonary embolism.
Ans: C
Page: 1246, 1253
Type: General Knowledge
- Which of the following is NOT a major component of the hematologic system?
A) Liver
B) Spleen
C) Pancreas
D) Bone marrow
Ans: C
Page: 1246
Type: General Knowledge
- The primary site for cell production in the human body is the:
A) kidney.
B) spleen.
C) liver.
D) bone marrow.
Ans: D
Page: 1246
Type: General Knowledge
- Production of clotting factors is a function of the:
A) kidney.
B) liver.
C) spleen.
D) bone marrow.
Ans: B
Page: 1246
Type: General Knowledge
- The primary component of the immune system is the:
A) leukocyte.
B) neutrophil.
C) eosinophil.
D) lymphocyte.
Ans: A
Page: 1245, 1247
Type: General Knowledge
- If an individual has A-positive blood:
A) he or she can receive type AB blood.
B) his or her blood contains no ABO antigens.
C) his or her blood contains the Rh antigen.
D) his or her blood contains anti-A antibodies.
Ans: C
Page: 1248
Type: General Knowledge
- In which of the following situations would a transfusion reaction MOST likely occur?
A) A person with type AB blood receives type O blood
B) A person with type O blood receives type AB blood
C) A person with type A-negative blood receives type O blood
D) A person with type B-positive blood receives type B-positive blood
Ans: B
Page: 1248, 1258
Type: General Knowledge
- Anemia would result from all of the following conditions, EXCEPT:
A) acute blood loss.
B) an increase in iron.
C) chronic hemorrhage.
D) erythrocyte hemolysis.
Ans: B
Page: 1253
Type: General Knowledge
- Anemia resulting from an autoimmune disorder occurs when:
A) the body’s red blood cells destroy certain white blood cells.
B) a patient receives blood of a type different than his or her own.
C) hemoglobin becomes desaturated due to a massive infection.
D) red blood cells are destroyed by the body’s own antibodies.
Ans: D
Page: 1253
Type: General Knowledge
- Which of the following statements regarding leukemia is correct?
A) Leukemia may cause leukocytosis, a low white blood cell count.
B) A hallmark of leukemia is an excess production of platelets.
C) Leukemia is the result of abnormal white blood cell development.
D) Most patients with leukemia have a normal white blood cell count.
Ans: C
Page: 1254-1255
Type: General Knowledge
- Which of the following is NOT typically associated with leukemia?
A) Absence of fever
B) Frequent bleeding
C) Chronic infections
D) Bruising from minor trauma
Ans: A
Page: 1254-1255
Type: General Knowledge
- In contrast to chronic leukemia, acute leukemia occurs when:
A) bone marrow is replaced with abnormal lymphoblasts.
B) abnormal lymphoid cells accumulate in the bone marrow.
C) the patient experiences easy bruising and frequent bleeding.
D) mutated fibroblasts rapidly accumulate in the circulatory system.
Ans: A
Page: 1254
Type: General Knowledge
- A patient who presents with petechiae is MOST likely:
A) anemic.
B) leukopenic.
C) polycythemic.
D) thrombocytopenic.
Ans: D
Page: 1253
Type: General Knowledge
- Indolent non-Hodgkin lymphoma:
A) is the most aggressive form of the disease.
B) may never spread from the lymphoid system.
C) affects multiple organs over a long period of time.
D) most frequently occurs in men over 50 years of age.
Ans: B
Page: 1255
Type: General Knowledge
- A painless, progressive enlargement of the lymphoid glands that most commonly affects the spleen and lymph nodes is called:
A) sarcoma.
B) adenocarcinoma.
C) Hodgkin lymphoma.
D) non-Hodgkin lymphoma.
Ans: C
Page: 1255
Type: General Knowledge
- Common signs and symptoms of lymphoma include:
A) an increased appetite.
B) night sweats and chills.
C) weight gain and nausea.
D) irritability and a skin rash.
Ans: B
Page: 1255
Type: General Knowledge