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PHS Medical Terminology > Chapter 9 - Circulation > Flashcards

Chapter 9 - Circulation Flashcards

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USMLE® Step 1 flashcards
1
Q

Endocardium

A

Thin membrane that lines the chambers and valves

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2
Q

Myocardium

A

Thick muscle layer that makes up most of the heart wall

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3
Q

Epicardium

A

Thin membrane that covers the heart

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4
Q

Pericardium

A

Fibrous sac that contains the heart and anchors it to surrounding structures.

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5
Q

Septum

A

Heart wall

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6
Q

Pulmonary circuit

A

Low in oxygen. Pumped to lungs. On the right side

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7
Q

Systemic circuit

A

High in oxygen. Pumped to the body. On the left side

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8
Q

Functional murmur

A

Normal heart sounds

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9
Q

Systole

A

Contraction of the heart

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10
Q

Diastole

A

Relaxation of the heart

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11
Q

Sinoatrial node (SA)

A

Upper right atrium. Called the pacemaker as it sets the heart rate

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12
Q

Atrioventrical node (AV)

A

Bottom of the right atrium near the ventricle

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13
Q

AV Bundle

A

At the top of the interventricular septum

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14
Q

Bundle branches

A

Travel along the left and ride sides of the septum

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15
Q

Purkinje fibers

A

Carry stimulation throughout the walls of the ventricles.

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16
Q

ECG

A

Electrocardiography. Measures hearts electrical functions

17
Q

Angi/o

A

Vessel

18
Q

Vas/o, vascul/o

A

Vessel, duct

19
Q

Arteriol/o

A

Arteriole

20
Q

Aort/o

A

Aorta

21
Q

Ven/o, ven/i

A

Veni

22
Q

Phleb/o

A

Vein

23
Q

Atherosclerosis

A

Accumulation of fatty deposits within the lining of an artery

24
Q

Ischemia

A

Reducing blood flow tissues

25
Q

Lymph/o

A

Lymph, lymphatic system

26
Q

Lympaden/o

A

Lymph node

27
Q

Lymphangi/o

A

Lymphatic vessel

28
Q

Spel/o

A

Spleen

29
Q

Thym/o

A

Thymus

30
Q

Tonsil/o

A

Tonsil

31
Q

Arter/o, arteri/o

A

Artery

32
Q

Muscle of the heart

A

Myocardium

PHS Medical Terminology (23 decks)

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