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VMP810 Anatomy 1 > Lecture 12 9/27/23 > Flashcards

Lecture 12 9/27/23 Flashcards

1
Q

What two structures form the atrium?

A

-sinus centrum
-auricle

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2
Q

What is the auricle?

A

space for extra blood that can be seen on the outside of the heart

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3
Q

What is special about the intercostal arteries?

A

-connected to both the aorta and the internal thoracic artery
-cutting one does not significantly damage the blood flow to the surrounding tissue

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4
Q

Which veins combine to form the brachiocephalic vein?

A

-external jugular vein
-subclavian vein

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5
Q

What do the two brachiocephalic veins form?

A

cranial vena cava

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6
Q

What are the first two vessels to branch off the heart?

A

left and right coronary arteries

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7
Q

What is the role of the coronary arteries?

A

send blood to the heart

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8
Q

What is the third branch off the aorta?

A

brachiocephalic trunk

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9
Q

What is the fourth branch off the aorta?

A

left subclavian artery

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10
Q

What is the first branch off the brachiocephalic trunk?

A

left common carotid artery

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11
Q

What does the brachiocephalic trunk “split” into?

A

-right common carotid artery
-right subclavian artery

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12
Q

How do arteries flow?

A

away from heart

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13
Q

How do veins flow?

A

towards the heart

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14
Q

What does the pulmonary trunk split into?

A

left and right pulmonary arteries

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15
Q

What arteries branch off the aorta in the thoracic cavity?

A

intercostal arteries

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16
Q

What are the four chambers of the heart?

A

-right atrium
-left atrium
-right ventricle
-left ventricle

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17
Q

What are the atrioventricular valves?

A

valves between the atria and the ventricles

18
Q

What are tendinous cords?

A

cords of tissue that attach the AV valves to the ventricular walls

19
Q

What are the functions of the AV valves?

A

-allow blood flow from atria to ventricles
-prevent blood flow from ventricles to atria
-one way valves

20
Q

What is papillary muscle?

A

thickened muscular areas in the ventricular walls where the tendinous cords attach

21
Q

What is the pulmonary valve?

A

valve within the pulmonary artery that separates the artery from the RV

22
Q

What is the aortic valve?

A

valve within the aorta that separates the artery from the LV

23
Q

What is the caudal vena cava?

A

large vein structure that brings blood from the caudal body to the RA

24
Q

What is the cranial vena cava?

A

large vein structure that brings blood from the cranial body to the RA

25
Q

What is the great cardiac vein?

A

vein that brings blood back to the heart from the coronary system

26
Q

What is the coronary sinus?

A

the dilated opening of the great cardiac vein into the RA

27
Q

What is the role of pulmonary veins?

A

to bring blood from the lungs to the LA

28
Q

What is the purpose of the portal system?

A

to filter out harmful things from the blood that are picked up in the stomach

29
Q

What is a portal system?

A

a series of veins between multiple capillary beds

30
Q

What are the three unbranched arteries that shoot off the aorta?

A

-celiac artery
-cranial mesenteric artery
-caudal mesenteric artery

31
Q

What does the celiac artery supply?

A

stomach and spleen

32
Q

What does the cranial mesenteric artery supply?

A

intestines

33
Q

What does the caudal mesenteric artery supply?

A

intestines

34
Q

Which arteries supply the kidneys?

A

renal arteries

35
Q

Which arteries supply the gonads?

A

ovarian or testicular arteries

36
Q

Which arteries supply the back legs?

A

external iliac arteries

37
Q

Which arteries supply the pelvic cavity?

A

internal iliac arteries

38
Q

Which two veins combine to form the portal vein?

A

-cranial mesenteric vein
-caudal mesenteric vein

39
Q

Which veins run from the liver to the RA?

A

hepatic veins

40
Q

Which two veins combine to form the common iliac vein?

A

-external iliac vein
-internal iliac vein

41
Q

What do the two common iliac veins combine to form?

A

caudal vena cava

VMP810 Anatomy 1 (26 decks)

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