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NBS > Physiology Cardiovascular (15%) > Flashcards

Physiology Cardiovascular (15%) Flashcards

1
Q

What is the pacemaker of the heart

A

SA node

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2
Q

SA node is innervated by what nerve

A

Vagus

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3
Q

The SA node can help prevent

A

tetany

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4
Q

What is the closing of the mitral and tricusid vavle called

A

S1

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5
Q

What is the closign of the aortic and pulmonary valves called

A

S2

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6
Q

Which murmur is the most clicinly significant

A

Diastolic

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7
Q

What is the force exerted by fluid agaisnt a wall

A

Hydrostatic

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8
Q

What is created by plasma proteins unable to move throough the capillary membrane

A

Osmotic Pressure

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9
Q

This is the stroke voulume increasing in respone of blood filling the heart

A

Frank-Starlings law

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10
Q

This is when the muscle will increasein size when used

A

Davis’s law

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11
Q

This is the inversly porpotional relationship between absoulte pressure and volumne of a gas`

A

Boyles law

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12
Q

Megakaryocytes are

A

precursor platelets

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13
Q

Where are RBC made in Embryo, fetus, Adult

A

Embryo; yolk sac
Fetus: Liver, Spleen, lymph, Bpne marrow
Adults: Membranous bone marrow

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14
Q

What is the process of geneisis of RBC

A 
Hemocytoblast -
Normoblast-
Reticuloblast-
Erythrocyte
"HNRE"
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15
Q

What stimulates the production of RBC

A

Erythroprotein (made in kidney)

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16
Q

Life expencteny of RBC

A

120 days

17
Q

Iron is absorbed as

A

Fe2

18
Q

Leukocytes in the body

A 
Neutrophils 60
Lymphocytes 30
Monocytes 8
Eosinophils 3
Basophils 0
19
Q

Steps in Blood Clotting

A
  1. Injury
  2. Constriction
  3. Platelet plug
  4. Clot
  5. Repair
20
Q

What are the different type of granulocytes

A

“BEN” rice
Basophils
Esinophils
Neutrophils

21
Q

What are the macrophages on the alveoli called

A

Alveolar Macrophages

22
Q

What are the macrophages in the brain called

A

Microglial cell

23
Q

What are the macrophages in the Liver called

A

Kupffer cells

24
Q

What are the macrophages in tissue called

A

Histocyte or fixed macrophages

NBS (22 decks)

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