The Blood (part 2) - Review For Quiz #6 On Thurs. 8/19/10

32 Questions  I  By Geekee68
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Blood Quizzes & Trivia

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Questions and Answers

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1.  White blood cells are characterized by the presence or absence of ___________ in the cytoplasm when the cells are stained.
2.  Of the leukocytes, the 2 types of agranulocytes are...
3.  Of the leukocytes, the 3 types of granulocytes are...
4.  What are the two classifications for leukocytes based on the presence or absence of granules?
5.  Another name for white blood cells is ______________.
6.  _____________ are the most numerous of the WBC's.
7.  These white blood cells protect the body from invading microorganisms through the process of phagocytosis.
8.  Which 2 WBC's take microorganisms into their own cell bodies and digest them in a process called phagocytosis?
9.  The WBC's that are involved in the process of phagocytosis are referred to as what type of cells?
10.  This type of leukocyte shows lavender granules when stained.
11.  These leukocytes show bead-like bright pink granules when stained.
12.  These leukocytes serve as weak phagocytes and protect against infection caused by certain parasites and parasitic worms.
13.  Name the Leukocyte:They have large dark blue granules that often obscure the nucleus.
14.  Name the Leukocyte:Secretes the chemical histamine, which is released during inflammatory reactions.
15.  Name the Leukocyte:They produce heparin, a powerful anticoagulant that helps prevent blood clots.
16.  Name the Leukocyte:The 2nd most common of the white blood cells.
17.  Name the Leukocyte:These are the largest of the leukocytes and are aggressive phagocytes.
18.  Another name for platelets is...
19.  ____________ are the smallest of the formed elements.  They are not cells but rather fragments of cells.
20.  _____________ are essential to blood coagulation.
21.  The substances released from damaged tissue cells stimulates the formation of _____________  ______________.
22.  At the site of injury, platelets become sticky and accumulate near the opening in the broken blood vessel forming a __________  ___________.
23.  In this step of blood clotting, calcium must be present in the blood for prothrombin activators to convert prothrombin to _____________.
24.  In the last step of blood clotting, thrombin reacts with fibrinogen to change it to a fibrous gel called _________.
25.  In the clotting process, _________ forms a network of threads that entrap plasma and blood cells to form a clot.
26.  The fluid that remains after blood clotting has occurred is called __________.
27.  _______________ is the process that prevents blood loss from the circulation when a blood vessel is ruptured by an injury.
28.  Step 1 in Hemostasis:
29.  Step 3 in Hemostasis:
30.  Step 2 in Hemostasis:
31.  All of the formed elements of the blood are produced in the _____  ______ from stem cells with the exception of _____________ (type of WBC).
32.  Lymphocytes are formed in the __________  __________, unlike the rest of the formed elements of blood.
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