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PARAMEDIC SCHOOL > A&P CHAPTER 19: VASCULAR SYSTEM > Flashcards

A&P CHAPTER 19: VASCULAR SYSTEM Flashcards

1
Q

WHAT IS ANGIOGENESIS

A

FORMATION OF NEW BLOOD VESSELS

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2
Q

WHAT CAUSES VARICOSE VEINS

A

VALVES OF VEIN LEAK AND BECOME DIALATED

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3
Q

ARTERY

A

HIGH PRESSURE BLOOD FROM HEART TO ARTERIOLES

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4
Q

ARTERIOLE

A

CONTROLS BLOOD FLOW FROM ARTERIES TO CAPILLARIES BY CONSTRICTING OR DILATING

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5
Q

CAPILLARY

A

MEMBRANE ALLOWING NUTRIENTS, GAS, AND WASTE TO BE EXCHANGED BETWEEN BLOOD AND TISSUE FLUID

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6
Q

VENULE

A

CONNECTS CAPILLARIES TO VEINGS

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7
Q

VEIN

A

CARRIES LOW PRESSURE BLOOD TO HEART
PREVENTS BLOOD BACKFLOW
BLOOD RESERVOIRS

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8
Q

WHAT ARE ANASTOMOSES

A

CONNECTIONS/MERGING OF BLOOD FLOW (VEINS OR ARTERIES) THAT SUPPLY BLOOD TO SAME BODY TISSUES
EX. IF THERE’S A CLOT RO CUT, OTHER CHANNEL CAN KEEP PROVIDING BLOOD TO REGION

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9
Q

BLOOD FLOW

A

AMOUNT OF BLOOD THAT FLOWS THROUGH CIRCULATION PER MINUTE IN MILLILITERS (SAME AS CARDIAC OUTPUT)

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10
Q

BLOOD PRESSURE

A

FORCE THAT BLOOD EXERTS AGAINST INNER WALLS OF BLOOD VESSELS

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11
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

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12
Q

VISCOCITY

A

EASE WITH WHICH FLUID’S MOLECULES FLOW PAST ONE ANOTHER

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13
Q

HOW IS BLOOD PRESSURE CALCULATED

A

MULTIPLYING CARDIAC OUTPUT BY PERIPHERAL RESISTANCE

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14
Q

SYSTOLIC VS DIASTOLIC PRESSURE

A

SYSTOLIC: (PERIOD OF CONTRACTION) MAX PRESSURE DURING VENTRICULAR CONTRACTION
DIASTOLIC: (PERIOD OF RELAXATION) LOWEST PRESSURE THAT REMAINS IN ARTERIES BEFORE NEXT VENTRICULAR CONTRACTION

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15
Q

DIFFERENCE BETWEEN SYSTOLIC AND DIASTOLIC PRESSURE IS WHAT

A

PULSE PRESSURE

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16
Q

ANTIDIURETIC HORMONE

A

ADH AKA VASOPRESSIN
PRODUCED BY HYPOTHALAMUS RELEASED FROM PITUITARY GLAND
HELPS RESTORE DROPPED BP

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17
Q

ANGIOTENSIN II

A

PRODUCED BY SPECIALIZED CELLS IN THE KIDNEYS BY EZYME ACTIONS OF RENIN
CAUSES SODIUM RETENTION AND POTASSIUM LOSS BY KIDNEYS
STIMULATES SECRETION OF ADH AND THIRST

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18
Q

WHEN DO KIDNEYS RELEASE RENIN

A

WHEN BP OR VOLUME IS LOW

19
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

20
Q

ATRIAL NATRIURETIC PEPTIDE

A

PRODUCED BY RIGHT ATRIUM OF HEART IN RESPONSE TO EXCESSIVE STRETCHING DURING DIASTOLE
REDUCED BP AND VOLUME

21
Q

ADRENAL MEDULLA HORMONES

A

RELEASED BY ADRENAL GLAND DURING STRESS
RELEASES EPI AND NOREPI
CAUSES VASOCONSTRICTION AND INCREASED BP

22
Q

ERYTHROPOIETIN

A

RELEASED BY KIDNEYS WHEN BP FALLS OR OXYGEN IS TOO LOW

23
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

24
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

25
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

26
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

27
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

28
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

29
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

30
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

31
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

32
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

33
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

34
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

35
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

36
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

37
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

38
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

39
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

40
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

41
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

42
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

43
Q

RESISTANCE

A

FRICTION BETWEEN BLOOD AND BLOOD VESSEL WALLS

PARAMEDIC SCHOOL (74 decks)

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