MED SURG TEST 1 Flashcards

1
Q

Two pathways to clotting

A

Intrinisic pathway

Extrinsic pathway

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2
Q

Intrinsic pathway

A

must be stimulated by the extrinsic pathway.

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3
Q

Whats Anemia

A

deficiency in the

  • number of erythrocytes. (RBCs)
  • Quantity of hemoglobin
  • Volume of packed red blood cells (hematocrit)
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4
Q

Difference between Hemoglobin and Hematocrit

A

Hemoglobin is a physical count and Hematocrit is a percentage and should be 3 times hemoglobin

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5
Q

Three causes of anemia

A
  1. decreased Red Blood Cell production. not making enough
  2. Blood loss. Acute of Chronic loss. usually from slow Gi bleed.
  3. Increased RBC destruction. hemolysis related anemia.
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6
Q

what results will you have with a Upper Gi bleed

A

coffee ground emesis

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7
Q

what results will you have with a lower GI bleed

A

black.thick tarry stool

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8
Q

what are causes of increased red blood cell destruction

A

medications, sickle cell disease, transfusions, invasive medical products like dialysis

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9
Q

Clinical manifestations of anemia.

A

caused by bodies response to tissue hypoxia

-hbg levels are used to determine the severity of anemia.

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10
Q

ranges for mild, moderate and severe anemia

A

MILD- hbg 10-12 g/dl
MODERATE- hbg 6-10 g/dl
SEVERE- hbg < 6 g/dl

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11
Q

Integumentary manifestations

A

Pallor- from decreased hbg and blood flow to the skin
Jaundice- from increased concentration of serum bilirubin caused from destruction of RBC
Pruitis- from increased serum and skin salt concentrations. salt comes thru skin.

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