ch 18 lec

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  1. _____ has infolding or transverse (T) Tubules that penetrate the cell and cary electrical current to cell interior.
    sarcolemma.
  2. ____ is a network around each myofibril, stores calcium, and sometimes form dilated end sacs called terminal cisternae (which are around the t-tubule).
    Sarcoplasmic reticulum (SR)
  3. list 4 sources of ATP produced during a 100 yard dash in accurate order?
    • 1) aerobic respiration
    • 2) Phosphagen system
    • 3)glycogen-lactic acid system
    • 4) aerobic respiration
  4. list 3 encircling tissues types that in muscle
    endomysium, parimysium, and epimysium
  5. where is the deep and superficial fascia?
    deep fascia is between muscles, and superficial fascia is between muscles and skin.
  6. Erythrocytes constitute less percentage of whole blood volume than plasma. However, they settle at the bottom because
    A)numerous red blood cells give this fraction a very high density.
    B)white blood cells and platelets are less dense.
    C)the plasma is ~ 98% water.
    D)All of the above are correct.
    A)numerous red blood cells give this fraction a very high density.
    (this multiple choice question has been scrambled)
  7. Another name for the erythrocyte fraction is the ________________.
    A)hematocrit
    B)leukocrit
    C)serum
    D)hemoglobin
    A)hematocrit
    (this multiple choice question has been scrambled)
  8. The term "formed elements" refers to
    A)Both non-cellular and cellular components of blood.
    B)the matrix of blood.
    C)the cellular components of blood.
    D)the non-cellular components of blood.
    C)the cellular components of blood.
    (this multiple choice question has been scrambled)
  9. Jaundice reflects an accumulation of ____ in the blood.
    A)iron
    B)urochrome
    C)bile
    D)bilirubin
    E)heme
    D)bilirubin
    (this multiple choice question has been scrambled)
  10. Individuals heterozygous for sickle cell anemia have higher resistance against what disease?
    A)iron-deficiency anemia
    B)malaria
    C)thalassemia
    D)erythroblastosis fetalis
    B)malaria
    (this multiple choice question has been scrambled)
  11. A person with type A blood has
    A)anti-A agglutinin.
    B)A agglutinin.
    C)anti-B agglutinin.
    D)anti-B and anti-A agglutinin.
    C)anti-B agglutinin.
    (this multiple choice question has been scrambled)
  12. A differential WBC count shows an abnormally high count of mature neutrophils. This is a sign of
    A)bacterial infection.
    B)myelocytic leukemia.
    C)lymphocytic leukemia.
    D)parasitic infestation.
    A)bacterial infection.
    (this multiple choice question has been scrambled)
  13. The largest of the formed elements is this WBC.
    A)neutrophils
    B)eosinophils
    C)basophils
    D)monocytes
    D)monocytes
    (this multiple choice question has been scrambled)
  14. Vascular spasm is triggered by all but which of the following?
    A)injury to smooth muscle of vessel
    B)pain receptor stimulation
    C)growth factors secreted by platelets
    D)serotonin released from platelets
    C)growth factors secreted by platelets
    (this multiple choice question has been scrambled)
  15. Most procoagulants are proteins produced by the ______.
    A)spleen
    B)liver
    C)red bone marrow
    D)hypothalamus
    B)liver
    (this multiple choice question has been scrambled)
  16. The most abundant plasma protein is ________________.
    A)erythropoietin
    B)antibody
    C)globulin
    D)fibrinogen
    E)albumin
    E)albumin
    (this multiple choice question has been scrambled)
  17. Which of the following statements about blood is false?
    A)As the protein content of the blood plasma drops, so does its osmolarity.
    B)The fluid remaining after blood clots is the same as blood plasma.
    C)Most adults have 4 to 6 liters of blood.
    D)An excess of plasma protein causes the blood to flow too sluggishly.
    C)Most adults have 4 to 6 liters of blood.
    (this multiple choice question has been scrambled)
  18. Which of the following organs produces all the plasma proteins except the gamma globulins, which come from plasma cells?
    A)spleen
    B)small intestine
    C)kidney
    D)liver
    D)liver
    (this multiple choice question has been scrambled)
  19. Which of the following statements is true about a male with a normal amount of red blood cells?
    A)His red blood cell count is 3.6 million/microliter.
    B)His blood is 69% plasma.
    C)His hematocrit reading is 43%.
    D)His hemoglobin concentration is 10g/dL.
    C)His hematocrit reading is 43%.
    (this multiple choice question has been scrambled)
  20. Which cell stage in the formation of erythrocytes has lost its nucleus and yet retains a fine network of endoplasmic reticulum?
    A)reticulocyte
    B)normoblast
    C)proerythroblast
    D)erythroblast
    A)reticulocyte
    (this multiple choice question has been scrambled)
  21. Ferrous iron travels in the plasma bound to the protein ____________.
    A)transferrin
    B)gastroferritin
    C)apoferritin
    D)D)ferrin
    A)transferrin
    (this multiple choice question has been scrambled)
  22. Each hemoglobin molecule can carry up to how many oxygen molecules bound to its heme group?
    A)2
    B)1
    C)6
    D)4
    D)4
    (this multiple choice question has been scrambled)
  23. Anemia can be caused by all of the following except
    A)hypoxemia from smoking or air pollution.
    B)failure of gastric production of intrinsic factor.
    C)kidney failure.
    D)nutritional deficiency of vitamin B12 or iron.
    A)hypoxemia from smoking or air pollution.
    (this multiple choice question has been scrambled)
  24. Hemolysis yields heme. After removal of iron, the remainder of the heme is first converted to ________________.
    A)bilirubin
    B)bile
    C)urobilinogen
    D)biliverdin
    E)hemoglobin
    D)biliverdin
    (this multiple choice question has been scrambled)
  25. Antibody B is present in the blood plasma of individuals with which blood types?
    A)types B and A
    B)types B and O
    C)types A and O
    D)type B
    C)types A and O
    (this multiple choice question has been scrambled)
  26. If an Rh negative mother has a second fetus with Rh positive blood, then
    A)the mother will begin to make Rh positive blood cells.
    B)anti-Rh antibodies may attack fetal cells.
    C)the mother should avoid RhoGAM.
    D)the mother needs phototherapy.
    E)the mother should be transfused.
    B)anti-Rh antibodies may attack fetal cells.
    (this multiple choice question has been scrambled)
  27. A person with type A blood has
    A)A agglutinin.
    B)anti-B and anti-A agglutinin.
    C)anti-B agglutinin.
    D)anti-A agglutinin.
    C)anti-B agglutinin.
    (this multiple choice question has been scrambled)
  28. Which of the following is incorrectly matched?
    A)neutrophils: nucleus divided into two or five lobes
    B)eosinophils: red cytoplasmic granules
    C)lymphocytes: dark purple cytoplasmic granules
    D)monocytes: large blood cells with round or kidney-shaped nucleus
    C)lymphocytes: dark purple cytoplasmic granules
    (this multiple choice question has been scrambled)
  29. These cells secrete histamine and may not have any phagocytic capabilities.
    A)basophils
    B)lymphocytes
    C)eosinophils
    D)neutrophils
    A)basophils
    (this multiple choice question has been scrambled)
  30. What percent of the WBCs are monocytes in a healthy individual?
    A)3–8%
    B)less than 1%
    C)65%
    D)25–33%
    A)3–8%
    (this multiple choice question has been scrambled)
  31. This white blood cell releases enzymes that weaken parasites.
    A)neutrophils
    B)basophils
    C)eosinophils
    D)monophils
    C)eosinophils
    (this multiple choice question has been scrambled)
  32. Platelets do all of the following except
    A)help a blood vessel repair itself.
    B)secrete vasoconstrictors which promote vascular spasms.
    C)help form blood clots.
    D)secrete clotting factors.
    E)carry oxygen to injured areas of tissue.
    E)carry oxygen to injured areas of tissue.
    (this multiple choice question has been scrambled)
  33. Which of the following is true?
    A)A vascular spasm is a short-lived constriction of a leaking vessel.
    B)Platelet plugs are formed when exposed collagen fibers in a broken blood vessel come in contact with platelets.
    C)Coagulation is the formation of fibrin threads from plasma fibrinogen.
    D)All of the above are true.
    D)All of the above are true.
  34. Which of the following is an example of a clot-dissolving drug used to dissolve clots in coronary arteries?
    A)Coumadin
    B)streptokinase
    C)thrombocytopenia
    D)antihemophilic factor
    B)streptokinase.
    (this multiple choice question has been scrambled)
  35. Most
    strokes and heart attacks are due to abnormal clotting of blood in an
    unbroken vessel. This process is called ________________.
    A)thrombosis
    B)cirrhosis
    C)thrombus
    D)embolus
    A)thrombosis
    (this multiple choice question has been scrambled)
Author:
studysuccess
ID:
314574
Card Set:
ch 18 lec
Updated:
2016-07-11 05:24:00
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