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IPHY > Cardiovascular System: Blood > Flashcards

Cardiovascular System: Blood Flashcards

1
Q

formed elments in the blood

A

erythrocytes, leukocytes, platelets

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2
Q

erythrocytes

A

anucleate and no organelles, anaerobic (glycolysis = energy, short life span (3-4 mo), biconcave (large surface area)

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3
Q

sickle cell disease

A

hemoglobin is off by one amino acid
abnormal hemoglobin can crystalize; causes sickling
-only survive 10-20 days
-cause pain
-often block blood flow

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4
Q

anemia

A

low oxygen carrying capacity
not enough Fe= hemoglobin not made
not enough Oxygen carried to tissues = fatigue

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5
Q

leukocytes

A

complete cells (nucleus and organelles)
immune response; increase in number with infection

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6
Q

how are leukocytes able to move through capillary walls?

A

diapedesis

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7
Q

A blood type antigen

A

A-antigen

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8
Q

A blood type antibody

A

Anti-B

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9
Q

B blood type antigen

A

B-antigen

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10
Q

B blood type antibody

A

Anti-A

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11
Q

AB blood type antibody

A

NONE

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12
Q

AB blood type antigen

A

A-antigen, B-antigen

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13
Q

O blood type antibody

A

Anti-A, Anti-B

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14
Q

O blood type antigen

A

NONE

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15
Q

____ is needed in erythropoiesis

A

Fe

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16
Q

erythropoiesis

A

production of RBCs from stem cells in red bone marrow

17
Q

RBC production occurs in

A

the red bone marrow

18
Q

Surprisingly, the abnormal cytoskeleton of the “abnormal” RBCs due to sickle cell disease diminish chances of dying from

A

malaria parasite (pathway used by parasite is disrupted)

19
Q

When does the Rh factor become a problem?

A

Rh(-) woman / Rh(+) man > conceive child
Rh (-) woman has Rh(+) fetus
–> cells from Rh positive (+) fetus enter womans Rh(-) blood stream
=woman becomes sensitized to antibodies to fight Rh (+) blood cells
–> in next Rh positive pregnancy, maternal antibodies attack fetal RBCs

20
Q

Rh factor either present (+) or absent (-) on

A

erythrocytes

IPHY (5 decks)

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