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CLASS 21025 UNIT 10 CARDIO > 4.1-4.2 OVERVIEW > Flashcards

4.1-4.2 OVERVIEW Flashcards

1
Q
  1. What are the two parts of the pericardium
A

a. Fibrous and serous

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2
Q
  1. Two layers of the serous
A

a. Parietal

b. visceral

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3
Q
  1. Which pericardium layer is tough and anchors down
A

a. Fibrous?

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4
Q
  1. What side of the heart pumps blood to the lungs
A

a. Right ventricle

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5
Q
  1. What side of the heart pumps blood to the heart
A

a. Left ventricle

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6
Q
  1. Lubricating fluid that prevents friction between the heart and something else is located where
A

a. Pericardial cavity

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7
Q
  1. Heart is made up of what three layers
A

a. Endo, myo, and epicardium

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8
Q
  1. Heart is composed of four chambers, what are they
A

a. R/L Ventricles and atrium

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9
Q
  1. Which chamber is the thickest and wide
A

a. L ventricle. It has to pump to the rest of the body

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10
Q
  1. The four valves respond to what two mechanisms
A

a. AV-electrical, Semilunar- pressure???

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11
Q
  1. AV valves
A

a. Tricuspid and mitral

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12
Q
  1. Semilunar valves
A

a. Pulmonic and aortic

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13
Q
  1. Which valve has 3 cusps and 2 cusps
A

a. 3-tricuspid/2-mitral

b. Does semilunar have 3 valves too?

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14
Q
  1. What are the parachute thingamabobs thaqrst attach to the valves
A

a. Coradae tendanae

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15
Q
  1. Deox blood-drains into the r atrium-what are the three main vessels
A

a. Sup/inf vena cava and coronary sinus

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16
Q
  1. Know the electrical structure of the heart
A

a. SA node-bachman bundle-AV node-bundle of HIS-bundle branches-purkinje fibers

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17
Q
  1. P wave represents
A

a. Atrial depolar

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18
Q
  1. QRS
A

a. Ventricalur depolarization

b. Atrial repolarization (masked by the ventricular depolarization)

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19
Q
  1. T
A

a. Ventricular repolarization

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20
Q
  1. Three phase of cardiac cycle
A

a. Relaxation, atrial systole, and ventricular systole

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21
Q
  1. Relaxation-what % of blood is in ventricle
A

a. 75%?

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22
Q
  1. Wheres the rest of the blood (25%)
A

a. Atrial systole

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23
Q
  1. CO
A

a. Stroke volume x heart rate

24
Q
  1. 5 types of blood vessels in the body
A

a. Arteries, artioles, capillaries, venules, veins

25
Q
  1. Three layer blood vessels
A

Va. Arteries, veins

26
Q
  1. Blood pressure is highest in which vessel and why
A

a. Ascending aorta-bc its right off the l ventricle

27
Q
  1. Autoregulation in your own words
A

a. The ability to constrict and dilate due to wahy

28
Q
  1. Typical amount of L of blood in body
A

a. 5L

29
Q
  1. Volume of blood loss is life threatening
A

a. 10%

30
Q
  1. Factors that regulat blood flow and bp
A

a. Vasoconst
b. Weight gain
c. Viscosity

31
Q
  1. Med oblong-hormonal FB-three types of receptors
A

a. Propiorec-joints and muscles
b. Chemorec-carotid bodies and aorta arch
c. Barorec-aorta and carotid

32
Q
  1. 2 main Circulation pathways
A

a. Systemic and pl,omary

33
Q
  1. Where does gas exchange happen
A

a. Alveoli capillaries

34
Q
  1. Arterial circulation-4 prinicpal branchs of the aorta
A

a. Ascending- r and l coronary arteries
b. Arch-r brachiocephalic, L common carotid, l subclvian
c. Descending thoracic
d. Descending abdominal

35
Q
  1. Ext carotid feeds what structures
A

a. Skull

36
Q
  1. Int carotid
A

a. Eyes ears brain

37
Q
  1. Sup phrenic arteries feed what structure
A

a. Diaphragm

38
Q
  1. Sup renal arteries feed what structure
A

a. Adrenal

39
Q
  1. Gonadal arteries
A

a. Testicular and ovarian arteries

40
Q
  1. Transporting blood back to heart via pressure, 3 mechanisms
A

a. Contraction of heart
b. Skeletal muscle pump
c. Resp pump

41
Q
  1. Resp pump?
A

a. Inhale- decreases thoracic pressure and increases abdominal pressure, enhancing blood to flow heart
b. Exhale- refilling of abdominal veins, which is then pumped to the thoracic veins and to the heart

42
Q
  1. Aprox blood pressure in the r atriums
A

a. 0mmHg

43
Q

hree main veins that drain blood away from the head

A

a. Int/ext jugular and vertebral veins

44
Q
  1. Basilic vein
A

a. Superficial

45
Q
  1. Ulnar
A

a. Deep

46
Q
  1. Axillary
A

a. Deep

47
Q
  1. Basilic vein
A

a. Superficial

48
Q
  1. Brachial
A

a. Deep

49
Q
  1. Median antecubital
A

a. Superficial

50
Q
  1. Assessing pulse-how long do you hold finger on their pulse
A

a. 1min

51
Q
  1. Common arteries for pulse assessment
A

a. Carotid radial periapical popliteal and brachial??

52
Q
  1. Def of bradycardia
A

a. Bpm below 60

53
Q
  1. Tachy
A

a. Bpm above 100

54
Q
  1. Normal systolic
A

a. 120mmhg and below

55
Q
  1. Normal diastole
A

a. 80mmHg and below. Less than 80s gravy

56
Q
  1. Benefits of exercise
A

a. Reduce of BP and heart rate and fibrolytic clots and reduces depression

CLASS 21025 UNIT 10 CARDIO (13 decks)

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