1. Which of the following are true concerning erythrocytes? A. They rely on anaerobic respiration. B. A large part of their volume is hemoglobin. C. Their precursor is called a megakaryoblast. D....

1. Which of the following are true concerning erythrocytes?

A. They rely on anaerobic respiration.


B. A large part of their volume is hemoglobin.


C. Their precursor is called a megakaryoblast.


D. Their shape increases membrane surface area.


2. A serious bacterial infection leads to more of these cells in the blood.


A. Erythrocytes and platelets


B. Neutrophils


C. Erythrocytes and monocytes


D. All formed elements


3. Which of the following plasma proteins contributes to buffering blood pH?


A. Immunoglobulin G C. Fibrinogen


B. Albumin D. Hemoglobin


4. A child is diagnosed with sickle cell anemia. This means that:


A. one parent had sickle cell anemia.


B. one parent carried the sickle cell gene.


C. both parents had sickle cell anemia.


D. both parents carried the sickle cell gene.


5. The metal ion found in the hemoglobin molecule is:


A. sodium.


B. potassium.


C. zinc.


D. iron.


6. Which of the granulocytes contain large amounts of histamine?


A. Monocytes


B. Neutrophils


C. Eosinophils


D. Basophils


7. The blood cell that can attack a specific antigen is a(n):


A. monocyte.


B. neutrophil.


C. lymphocyte.


D. eosinophil.


8. Through which process do the blood vessels respond to damage?


A. Homeostasis C. Erythropoeisis


B. Diapedesis D. Hemostasis


9. Leukocytes share all of the following features
except:


A. diapedesis.


B. disease fighting.


C. distorted, lobed nuclei.


D. more active in connective tissues than in blood.


10. In leukemia:


A. the cancerous WBCs function normally.


B. the cancerous WBCs fail to specialize.


C. production of RBCs and platelets is


decreased.


D. infection and bleeding can be life threatening.


11. A condition resulting from thrombocytopenia is:


A. thrombus formation.


B. embolus formation.


C. petechiae.


D. hemophilia.


12. Which of the following can cause problems in a transfusion reaction?


A. Donor antibodies attacking recipient


RBCs


B. Clogging of small vessels by agglutinated


clumps of RBCs


C. Lysis of donated RBCs


D. Blockage of kidney tubules


Nov 11, 2021
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