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A & P second semester > Ch. 19 Cardiovascular System > Flashcards

Ch. 19 Cardiovascular System Flashcards

1
Q

*** Which of these is a function of blood?

  1. clot formation
  2. protection against foreign substances
  3. maintenance of body temperature
  4. regulation of pH and osmosis
  5. all of these are correct
A
  1. all of these are correct
  2. clot formation
  3. protection against foreign substances
  4. maintenance of body temperature
  5. regulation of pH and osmosis
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2
Q

Which of these is NOT a component of plasma?

  1. nitrogen
  2. sodium ions
  3. platelets
  4. water
  5. urea
A
  1. platelets
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3
Q

Which of these plasma proteins plays an important role in maintaining the osmotic concentration of the blood?

  1. albumin
  2. fibrinogen
    3, platelets
  3. hemoglobin
  4. globulins
A
  1. albumin
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4
Q

Red blood cells

  1. are the least numerous formed element in blood
  2. are phagocytic cells
  3. are produced in the yellow marrow
  4. do not have a nucleus
  5. all of these are correct
A
  1. do not have a nucleus
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5
Q

Given these ways of transporting carbon dioxide in the blood, choose the arrangement that lists them in the correct order from largest to smallest percentage of carbon dioxide transported.

  1. bicardonate ions
  2. combined with blood proteins
  3. dissolved in plasma
A
  1. bicardonate ions
  2. combined with blood proteins
  3. dissolved in plasma
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6
Q

Each hemoglobin molecule can become associated with ______ O2 molecules.

1
2
3
4
an unlimited number
A

4

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7
Q

*** Erythropoietin

  1. is produced mainly by the heart
  2. inhibits the production of red blood cells
  3. production increases when blood O2 decreases
  4. production is inhibited by testosterone
  5. all of these are correct
A
  1. production increases when blood O2 decreases
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8
Q

Which of the these changes occur(s) in the blood in response to the initiation of a vigorous exercise program?

  1. increased erythropoietin production
  2. increased concentration of reticulocytes
  3. decreased bilirubin formation
  4. both 1 and 2
  5. all of these are correct
A
  1. both 1 and 2
  2. increased erythropoietin production
  3. increased concentration of reticulocytes
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9
Q

Which of the components of hemoglobin is correctly matched with its fact following the destruction of a red blood cell?

  1. heme-reused to form a new hemoglobin molecule
  2. globin - broken down into amino acids
  3. iron-mostly secreted in bile
  4. all of these are correct
A
  1. globin - broken down into amino acids
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10
Q

The blood cells that protect against worm parasites are

  1. eosinophils
  2. basophils
  3. neutrophils
  4. monocytes
  5. lymphocytes
A
  1. eosinophils
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11
Q

The most numerous type of WBC, whose primary function is phagocytosis

  1. eosinophils
  2. basophils
  3. neutrophils
  4. monocytes
  5. lymphocytes
A
  1. neutrophils
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12
Q

*** Monocytes

  1. are the smallest white blood cells
  2. increase in number during chronic infections
  3. give rise to neutrophils
  4. produce antibodies
A
  1. increase in number during chronic infections
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13
Q

The smallest WBC, which include B cells and T cells are

  1. eosinophils
  2. basophils
  3. neutrophils
  4. monocytes
  5. lymphocytes
A
  1. lymphocytes
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14
Q

Platelets

  1. are derived from megakaryocytes
  2. are cell fragments
  3. have surface molecules that attach to collagen
  4. play an important role in clot formation
  5. all of these are correct
A
  1. all of these are correct
  2. are derived from megakaryocytes
  3. are cell fragments
  4. have surface molecules that attach to collagen
  5. play an important role in clot formation
  6. all of these are correct
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15
Q

*** Given these processes in platelet plug formation, choose the arrangement that lists the processes in the correct order after a blood vessel is damaged.

  1. platelet adhesion
  2. platelet aggregation
  3. platelet release reaction
A

1, 3, 2

  1. platelet adhesion
  2. platelet release reaction
  3. platelet aggregation
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16
Q

A constituent of blood plasma that forms the network of fibers in a clot is

  1. fibrinogen
  2. tissue factor
  3. platelets
  4. thrombin
  5. prothrombinase
A
  1. fibrinogen
17
Q

Given these chemicals, arrange the list in the order they are used during clot formation

  1. activated factor XII
  2. fibrinogen
  3. prothrombinase
  4. thrombin
A

1, 3, 4, 2

  1. activated factor XII
  2. prothrombinase
  3. thrombin
  4. fibrinogen
18
Q

The extrinsic pathway

  1. begins with the release of thromboplastin (tissue factor)
  2. leads to the production of activated factor X
  3. requires Ca2+
  4. all of these are correct
A

all of these are correct

  1. begins with the release of thromboplastin (tissue factor)
  2. leads to the production of activated factor X
  3. requires Ca2+
19
Q

The chemical involved in the breakdown of a clot (fibrinolysis) is

  1. antithrombin
  2. fibrinogen
  3. plasmin
  4. sodium citrate
A
  1. plasmin
20
Q

A person with type A blood

  1. has anti-A antibodies
  2. has type B antigens
  3. will have a transfusion reaction is given type B blood
  4. all of these are correct
A
  1. will have a transfusion reaction is given type B blood
21
Q

In the United States, the most common blood type is

  1. A+
  2. B+
  3. O+
  4. O-
  5. AB -
A
  1. O+

A & P second semester (15 decks)

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