Body Fluids And Circulation- Double Circulation Flashcards

1
Q

Pulmonary circulation

A

RA to Lungs to LA

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2
Q

Systemic circulation

A

LV to body to RA

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3
Q

Portal system ≠

A

Renal portal system
Hepatic
Hypophyseal
Coronary

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4
Q

Renal

A

Kidney
When glomerular filtration is absent
Reduced in reptiles and Bird, absent in mammal, lampreys, hagfish

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5
Q

Hypophyseal

A

From hypothalamus to anterior lobe of Pituitary gland

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6
Q

Hepatic

A

Liver and digestive track
Liver 2 blood supply
1: O2 feom hepatic artery
2: CO2 from hepatic portal vein but with nutrition

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7
Q

Coats or Tunics +

A

Tunica externa: fibrous, collagen
Tunica media: smooth, elastic
Tunica intima/ interna: 1 ellastic (yello fibers), thicker in artery
2 endothelium, flattened squamous lining the lumen, elongated in artery

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8
Q

Nodal tissue

A

Heart is autoregulated by specialised muscle

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9
Q

Nervous control

A

Medulla oblongata

Sympathetic and parasympathetic cause depolarisation of sa node

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10
Q

. sympathetic and parasympathetic

A

Symp, noradrenaline accelerates heartbeat,

Para, acetylecholine

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11
Q

Angina Pectoris

A

Chest pain, o2 less

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12
Q

Coronary artery disease

A

Atherosclerosis
Deposition of calcium, fat, cholesterol
It makes lumen of artery narrow

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13
Q

ECG:

PQ or PR

A

Spreading of impulse in atria
Rehumatic fever, arteriosclerosis
0.16 s
Enlarges if heart attack

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14
Q

ST ECG

A

Impulse and repolarization time

Inc in heart attack, depressed in low o2

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15
Q

T ECG

A

Flat in AP

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16
Q

Pulse rate

A

0.8s

Same as heart rate

17
Q

Frank starling law

Marry law

A

1: more streach, more output

Heart rate indirectly to systemic blood pressure

18
Q

Cardiomegaly

A

Enlargement of heart

19
Q

Varicose vien

A

Accumulation of blood in leg

20
Q

Pernicious anemia

A

Vit B12

21
Q

Tachycardia
Bradycardia
Arrythmia

A

Hi heartbeat
Low
Irregular

22
Q

Coronary thrombosus

A

Clot in coronary artery

23
Q

Heart block

A

Impulse not passed

24
Q

Ischaemia

A

iskeemia

Inadequate blood flow

25
Q

Aneurysm

A

Weak wall of blood vessel

26
Q

CAD

A
HDL
Good lipoprotein
40 to 45 protien
5 to 10 triglycerides
30 phospholipid
20 cholesterol
Decrease risk
LDL
25 protien
50 cholesterol
Bad
Inc risk