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Histology Exam 2 Part 1 > Cardio Part 2- 1 > Flashcards

Cardio Part 2- 1 Flashcards

1
Q

What species have Atria 2 and Ventricles 2

A

Birds and Mammals

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2
Q

What species have Atria 2 and Ventricles 1

A

Amphibians and Turtles

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3
Q

What species have Atria 1 and Ventricles 1

A

Fish

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4
Q

Right atrium GETS _____ rich blood from body via vena cava

A

CO2

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5
Q

Right ventricles SEND CO2 rich blood to __________ via pulmonary arteries

A

Lungs

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6
Q

Left atrium GETS ____ rich blood from lungs via pulmonary veins

A

O2

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7
Q

Left ventricle SENDS O2 rich blood to ________ via aorta

A

Body

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8
Q

What is the heart enclosed with that is a fibrous sac?

A

Pericardium

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9
Q

What layer of the pericardium that:
Extension of the blood vessels in intima layer

A

Endocardium

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10
Q

What lines all internal surfaces of the heart?

A

Endothelium

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11
Q

What is the dense/compact collagenous connective tissue + elastic fibers?

A

Subendothelium

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12
Q

What is the loose collagenous connective tissue with impulse conduction system via Purkinje fibers?

A

Subendocardium

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13
Q

What three thing make up endocardium?

A

Endothelium
Subendothelium
Subendocardium

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14
Q

What layer of the pericardium that:
Thickest layer

A

Myocardium

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15
Q

Why is the myocardium thicker L than R?

A

More force required to pump blood to all body than just lungs

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16
Q

Myocardium is ____________ in ventricles and _______________ in atria

A

Thicker
Thinner

17
Q

What layer of the pericardium that:
Also called serosal membrane of hearts- outermost layer

A

Epicardium

18
Q

What layer of the pericardium that:
Mesothelium and Subepicardium

A

Epicardium

19
Q

What is supported by loose collagenous connective tissue- continuous with the inner surface of pericardial sac?

A

Epicardium

20
Q

What is loose collagenous connective tissue with:
Nervous ganglia
Adipose tissue
+ blood vessels and nerves

A

Subepicardium

Histology Exam 2 Part 1 (23 decks)

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