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Animal Science > CARDIOVASCULAR SYSTEM > Flashcards

CARDIOVASCULAR SYSTEM Flashcards

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Biology 101 flashcards
1
Q

consists of the heart, blood, and the blood vessels

A

CVS

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2
Q

aortic arterial pressure rises to its highest point

A

systole

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3
Q

aortic arterial pressure falls to its lowest point

A

diastole

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4
Q

initiated by depolarization of the sino-atrial node, contraction is spontaneous

A

heart

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5
Q

mammalian heart 4 chambers

A

upper: 2atria
lower: 2 ventricles

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6
Q

prevents backflow of blood from the ventricle to the atrium during ventricular systole

A

A-V valve or atrio-ventricular valve

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7
Q

prevent backflow of the blood from the blood vessels into the ventricles during diastole

A

aortic and pumonary valves

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8
Q

valve on the right

A

tricuspid

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9
Q

valve on the left

A

bicuspid (mitral)

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10
Q

cardiac pacemaker

A

sino-atrial node (SA node)

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11
Q

caused by the closure of mitral and tricuspid valve

A

first sound (low and slight): “lub”

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12
Q

caused by the closure of ortic and pulmonary valves just after the end of the ventricular systole

A

second sound (shorter and high pitch) “dub”

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13
Q

sequence

A

atrial systole - ventricular systole - diastole (relaxation of heart muscles)

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14
Q

arterial palpation of a heartbeat;
wave of systolic pressure w/c starts at the heart and spreads throughout the arterial network;
occurs due to the filling of the arteries from the left venticles w/ oxygenated blood during systole
determine to measure the rate or heartbeat

A

pulse or pulse wave

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15
Q

pulse rate per minute and location in feeling of artery in carabao and cattle

A

54 - external maxillary artery lower jaw; and at the coccygeal artery at the base of the underneath of tail

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16
Q

pulse rate per minute and location in feeling of artery in goat

A

78 - femoral artery

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17
Q

pulse rate per minute and location in feeling of artery in horse

A

38 - external maxillary artery; middle of lower jaw

18
Q

pulse rate per minute and location in feeling of artery in chicken

A

200-400 - auscultation method using stethoscope at chest region

19
Q

blood vessel that carries oxygenated blood away from the heart (except pulmonary artery)

A

artery

20
Q

carries unoxygenated blood back to the heart

except pulmonary veins

A

vein

21
Q

carries unoxygenated blood from the right ventricle into the lungs

A

pulmonary artery

22
Q

carries oxygenated blood from the lungs into the lungs to the left atrium of the heart

A

pulmonary veins

23
Q

supplies blood to the heart

A

coronary circulation

24
Q

supplies arterial blood into the liver

A

hepatic circulation

25
Q

supplies arterial blood into the brain

A

cerebral circulation

26
Q

supplies arterial blood into the kidney

A

renal circulation

27
Q

supplies arterial blood into the digestive tract

A

splanchic circulation

28
Q

thick suspension of cellular elements in an aqueous solution of electrolytes;
circular tissue composed of blood cells, plasma, and other dissolved substances

A

BLOOD

29
Q

2 CATEGORIES OF BLOOD

A
  1. cells

2. plasma

30
Q

fluid portion of the blood containing a number of ions, inorganic molecules, and organic molecules w/c are in transport of other substances

A

BLOOD PLASMA

31
Q

normal plasma volume

A

3-5% of the body weight

32
Q

three blood cells

A
  1. leukocytes (WBC)
  2. erythrocytes (RBC)
  3. thrombocytes (platelets)
33
Q

classification of leukocytes (WBC)

A
  1. granulocytes
  2. monocytes
  3. lymphocytes
34
Q

(neutrophils, eosinophils, basophils), most numerous WBC; main function is to phagocyte

A
  1. granulocytes
35
Q

large and non-nuclear; actively phagocytic

A
  1. monocytes
36
Q

mostly formed in the lymph nodes, spleen and thymus; believed to produce antibodies and counteract toxins

A
  1. lymphocytes
37
Q

responsible for the defense/protection of the body.

A
  1. leukocytes (WBC)
38
Q

contain red pigment hemoglobin
biconcave disks manufacturede in the bone marrow
carries oxygen for distribution to the different tissues

A
  1. erythrocytes (RBC)
39
Q

collects itself amd stick into the wall of the injured site, and liberate serotonin w/c leads to local vasoconstriction;
liberates thromboplasrin w/c is essential for blood clotting

A
  1. thrombocytes (platelets)
40
Q

complex conjugated globular protein containing iron responsible for its oygen-carrying property

A

hemoglobin

Animal Science (20 decks)

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