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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
26. Three layer blood vessels
Va. Arteries, veins
26
27. Blood pressure is highest in which vessel and why
a. Ascending aorta-bc its right off the l ventricle
27
28. Autoregulation in your own words
a. The ability to constrict and dilate due to wahy
28
29. Typical amount of L of blood in body
a. 5L
29
30. Volume of blood loss is life threatening
a. 10%
30
31. Factors that regulat blood flow and bp
a. Vasoconst b. Weight gain c. Viscosity
31
32. Med oblong-hormonal FB-three types of receptors
a. Propiorec-joints and muscles b. Chemorec-carotid bodies and aorta arch c. Barorec-aorta and carotid
32
33. 2 main Circulation pathways
a. Systemic and pl,omary
33
34. Where does gas exchange happen
a. Alveoli capillaries
34
35. Arterial circulation-4 prinicpal branchs of the aorta
a. Ascending- r and l coronary arteries b. Arch-r brachiocephalic, L common carotid, l subclvian c. Descending thoracic d. Descending abdominal
35
36. Ext carotid feeds what structures
a. Skull
36
37. Int carotid
a. Eyes ears brain
37
38. Sup phrenic arteries feed what structure
a. Diaphragm
38
39. Sup renal arteries feed what structure
a. Adrenal
39
40. Gonadal arteries
a. Testicular and ovarian arteries
40
41. Transporting blood back to heart via pressure, 3 mechanisms
a. Contraction of heart b. Skeletal muscle pump c. Resp pump
41
42. Resp pump?
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
43. Aprox blood pressure in the r atriums
a. 0mmHg
43
hree main veins that drain blood away from the head
a. Int/ext jugular and vertebral veins
44
45. Basilic vein
a. Superficial
45
46. Ulnar
a. Deep
46
47. Axillary
a. Deep
47
48. Basilic vein
a. Superficial
48
49. Brachial
a. Deep
49
50. Median antecubital
a. Superficial
50
51. Assessing pulse-how long do you hold finger on their pulse
a. 1min
51
1. Common arteries for pulse assessment
a. Carotid radial periapical popliteal and brachial??
52
53. Def of bradycardia
a. Bpm below 60
53
54. Tachy
a. Bpm above 100
54
55. Normal systolic
a. 120mmhg and below
55
56. Normal diastole
a. 80mmHg and below. Less than 80s gravy
56
57. Benefits of exercise
a. Reduce of BP and heart rate and fibrolytic clots and reduces depression

CLASS 21025 UNIT 10 CARDIO (13 decks)

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