Quiz 19: Blood

-Identify the structure labeled "a." A)Erythrocyte B)Leukocyte C)Thrombocyte D)Platelet

-Identify the structure labeled "b." A)Thrombocyte B)Leukocyte C)Erythrocyte D)White blood cell

-Identify the structure labeled "c." A)Leukocyte B)Megakaryocyte C)Thrombocyte D)Erythrocyte

What does a megakaryocyte eventually become? A)Thrombocyte B)Eosinophil C)Erythrocyte D)Neutrophil

Which statement about blood is true? A)Oxygen is transported by the leukocyte. B)Leukocytes are the most common cell in blood. C)The neutrophil is the rarest type of white blood cell. D)Red bone marrow produces erythrocytes, leukocytes, and thrombocytes.

Which are found in plasma? A)Cerebrospinal fluid, gases, and sodium B)Synovial fluid, water, potassium, and sodium C)Collagen, chondrocytes, water, and sodium D)Hormones, gases, electrolytes, and nutrients

What is a hematocrit? A)Quantity of leukocytes in a blood sample B)Percentage of erythrocytes in a blood sample C)Ratio of fibrinogen to fibrin in a blood sample D)Volume of plasma in a blood sample

Why is heparin used in a capillary tube when performing a hematocrit? A)Heparin prevents the cells from coagulating. B)Heparin keeps the blood homogenized. C)Heparin draws the blood into the capillary tube. D)Heparin helps the cells separate by weight.

What tool is used to separate the cells when performing a hematocrit? A)Fume hood B)Stethoscope C)Centrifuge D)Sphygmomanometer

Which leukocyte is an agranulocyte? A)Lymphocyte B)Eosinophil C)Basophil D)Neutrophil

Which leukocyte is a granulocyte? A)Lymphocyte B)Neutrophil C)Monocyte D)Macrophage

Which trait distinguishes a granulocyte from an agranulocyte? A)Absence of the nucleus in the granulocytes B)A nucleus with an irregular shape C)Presence or absence of granules in the cytoplasm D)Granulocytes stain red, and agranulocytes stain blue.

Which best describes coagulation? A)It is a negative feedback mechanism. B)It is controlled by erythrocytes. C)It is controlled by monocytes. D)It is a positive feedback mechanism.

What is coagulation? A)When platelets form from megakaryocytes B)When blood cells replicate C)When blood clots D)When blood cells rupture or lyse

What term describes the various protein markers located in the plasma membrane of a red blood cell? A)Immunoglobulin B)Rh C)Antibody D)Antigen

What happens when antibodies encounter a foreign blood protein? A)Nothing in particular happens. B)Antibodies attach to the blood protein and cause clumping of the blood. C)Foreign blood protein lyses the antibody. D)Antibodies phagocytize the foreign antigen.

What protein marker is found on the red blood cells of a person with type A blood? A)A antigens only B)B antigens only C)Both A and B antigens D)No ABO antigens are present.

What antibody does a person with type A blood produce? A)Anti-A antibodies B)Anti-B antibodies C)Both Anti-A and Anti-B antibodies D)No antibodies are produced.

What blood type can donate blood to anyone? A)A B)O C)AB D)B

What blood type can receive blood from anyone? A)AB B)B C)A D)O

-Identify the formed element labeled "a." A)Platelet B)Eosinophil C)Lymphocyte D)Erythrocyte

-Identify the formed element labeled "c." A)Basophil B)Eosinophil C)Neutrophil D)Lymphocyte

-Identify the formed element labeled "e." A)Platelet B)Erythrocyte C)Neutrophil D)Monocyte

Which leukocyte is not shown in one of the three micrographs? A)Basophil B)Megakaryocyte C)Monocyte D)Eosinophil

Which two formed elements are both agranulocytes? A)C and D B)D and G C)B and F D)G and F

Which formed element contains hemoglobin? A)Leukocyte B)Erythrocyte C)Thrombocyte

Which formed element functions in blood clotting? A)Thrombocyte B)Erythrocyte C)Leukocyte

Which leukocyte becomes a macrophage when it moves into connective tissue? A)Basophil B)Neutrophil C)Monocyte D)Lymphocyte

Which leukocyte increases in number during parasitic infections? A)Eosinophil B)Neutrophil C)Basophil D)Lymphocyte

Which leukocyte becomes a mast cell when it movies into connective tissue? A)Lymphocyte B)Eosinophil C)Basophil D)Monocyte

What is a hematocrit? A)Percentage of erythrocytes in a blood sample B)Percentage of anemic cells in a blood sample C)Percentage of leukocytes in a blood sample D)Percentage of platelets in a blood sample

Which would be a normal hematocrit value for a healthy adult male? A)35 B)50 C)65 D)60

Which would be a normal hematocrit value for a healthy adult female? A)66 B)40 C)50 D)25

What might a low hematocrit value indicate? A)Polycythemia B)Blood doping C)Dehydration D)Anemia

What is the purpose of a differential white blood cell count? A)Determine the percentage of red blood cells in a blood sample B)Determine the percentage of thrombocytes in a blood sample C)Determine the percentage of each leukocyte in a sample of blood D)Determine the ratio of white to red blood cells in a blood sample

Which leukocyte is the second-to-least common? A)Basophil B)Neutrophil C)Monocyte D)Eosinophil

Which leukocyte is the second-to-most common? A)Neutrophil B)Lymphocyte C)Eosinophil D)Monocyte

Of the descriptions given, which is consistent with an abnormal blood smear? A)Eosinophils outnumbered lymphocytes. B)Neutrophils and lymphocytes were commonly found. C)More red than white blood cells were observed. D)Monocytes were observed but not common.

Which statement is the best reason for an elevated white blood cell count? A)Patient is having sudden, extreme hemorrhaging. B)Patient is dehydrated. C)Patient is anemic. D)Patient has a systemic bacterial infection.

Carol is a healthy 20-year-old female with no history of bleeding disorders. Which coagulation time is most likely hers? A)4 minutes B)12 minutes C)7 minutes D)1 minute

What do platelets do to aid coagulation? A)Inhibit excessive heparin secretion B)Directly convert fibrin into fibrinogen C)Release chemicals that stimulate clotting D)Directly precipitate fibrin out of solution

What protein is responsible for tagging foreign particles, pathogens, or blood for destruction? A)Antigens B)Antibodies C)Fibrinogen D)Agglutinins

What antigen is present on the surface of B+ erythrocyte? A)No ABO antigens and a +Rh antigen B)B antigen and +Rh antigen C)Anti-A antigen and an anti-Rh antigen D)A antigen and +Rh antigen

What antibodies are present in the plasma of a patient with O+ blood? A)Anti-AB, Anti-O B)Anti-A, Anti-B C)No antibodies present D)Anti-A, Anti-B, Anti-rH

Patient JT's blood-typing chart showed agglutination only to the anti-B serum. What is the patient's blood type? A)B- B)A- C)O+ D)B+

Patient MK's blood-typing chart showed agglutination with the Anti-A, Anti-B and Anti-Rh sera. What is the patient's blood type? A)AB+ B)B+ C)A+ D)O+

You are examining a human blood smear under the microscope and note a large cell with a bilobed nucleus and orange-red granules in the cytoplasm. Identify the cell. A)Eosinophil B)Basophil C)Neutrophil D)Lymphocyte

You are examining a human blood smear under the microscope and note a cell with a large, un-lobed nucleus that takes up almost the entire cell volume and violet granules in the cytoplasm. Identify the cell. A)Eosinophil B)Basophil C)Neutrophil D)Lymphocyte

What do the following statements have in common: overhydration, vitamin B₁₂ deficiency, bleeding, and decreased erythrocyte production? A)They are all causes of anemia. B)They are all causes of polycythemia. C)They are all associated with normal hematocrit levels. D)They are not associated with hematocrit levels in the human body.

What do the following statements have in common: dehydration, hypoxia, bleeding, and increased erythrocyte production? A)They are all causes of polycythemia. B)They are all causes of anemia. C)They are all associated with normal hematocrit levels. D)They are not associated with hematocrit levels in the human body.

You are about to examine a blood smear from a patient who is suspected of being infected by a parasitic worm. What white blood cells would be present in elevated numbers due to such an infection? A)Eosinophils B)Neutrophils C)Lymphocytes D)Basophils