lab 7: circulation of the head, neck etc Flashcards

1
Q

what are the structures found in the right atrium

A
Superior vena cava
Inferior vena cava
Right auricle
Pectinate muscle
Fossa ovalis
Coronary sinus (opening of…)
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2
Q

what are the structures of the right ventricle

A
Right atrioventricular (tricuspid) valve
Chordae tendineae
Papillary muscles
Trabeculae carnae
Pulmonary Semilunar valve
Trunk of pulmonary arteries
Right and left branches of pulmonary arteries
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3
Q

what are thee strutures of the left atrium

A

Left auricle
Pulmonary veins (openings of…)
Pectinate muscle

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4
Q

what structures are found at the left veentricle

A
Left atrioventricular (bicuspid or mitral) valve
Chordae tendineae
Papillary muscles
Trabeculae carnae
Aortic Semilunar valve
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5
Q

pectinate muscle is located in the atrium or ventricle

A

atrium

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6
Q

what holds the chordia tendinae to the ventricl

A

papillary muscles

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7
Q

pulmonary trunk sends blood to the

A

lungs

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8
Q

the pulmonary arteries are carrying oxygenated or deoxy blood

A

deoxy blood

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9
Q

the pulm veins carry deoxy or oxy blood

A

oxy blood

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10
Q

explain the passage of blood through heart

A

deoxy blood comes in to the right atrium by SVC and IVC

tricuspid valve

right ventricle

up the pulm trunk through the pulmonary semi lunar valve

to the lungs by pulmary artries (left and right)

back to theart via pulm veins

left atrium

through bicupsid valve into the left ventricle

up through the aortic semilunar valve

up the aorta and out to circualtion

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11
Q

how does blood enter the right atrium

A

SVC and IVC

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12
Q

what are the cardiac veins

A
great
anterior 
small 
middle 
coronary sinus
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13
Q

what divides the iventricles

A

interventricular septum

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14
Q

what divides the atrium

A

interatrial septum

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15
Q

where are the openings of the coronnary rteries found

A

above the oartic semil lunar valves

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16
Q

what are the 4 chambers of the heart

A

two atria

two ventricles

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17
Q

aorta from the heart divides into what

A

acending aorta
aortic arch
descending aorta

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18
Q

what branches off the aortic artch

A

R brachiocephalic
L common caroid
L subvlaion

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19
Q

what vessel branches directly off the subclavian a

A

internal mammary

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20
Q

what branches off the internal mammary

A

anterior intercostals

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21
Q

what are the divisions of the aorta

A

aorta
thoracic aorta
abdominal aorta
common illiac

22
Q

when does abdominal aorta

A

begins at hiates (starts at diaphragm)

23
Q

where does the common illiac a bein

A

begins at umbilicit

24
Q

what arteries branche directly off the thoracic aorta

A

posterior intercostal aq

25
Q

what are the branches off the abdominal aorta

A
Inf. Phrenic a. (2)
Celiac Trunk (1)
Superior Mesenteric a. (1)
Adrenal (suprarenal) a. (2)
Renal a. (2)
Testicular / Ovarian a. (2)
Inf. Mesenteric a. (1
26
Q

how many inf phrenic a do we have

A

2

27
Q

how many adrenal a do we have

A

2

28
Q

how many renal a do we have

A

2

29
Q

how many testicular.ovarian a do we have

A

2

30
Q

inf phrenic goes up towards what msucle

A

diaphragm

31
Q

what are the two branches off the common illiac a

A

internal and external illiac a

32
Q

what are the 3 branches of the celiac trunk

A

left gastric
spenic a
common hepatic

33
Q

what a supply the lesser curvature of the stomach

A

right and left gastric a

34
Q

what supplies the greeater curvature of the stomach

A

gastroepiploic a

35
Q

what branches off the common hepatic a

A

R. Gastric a.
- Gastroduodenal a.

  • Right hepatic a.
  • Left hepatic a.
  • Cystic
36
Q

what branches off the gastroduodenal a

A
  • Gastroduodenal a.
    → Superior (anterior) pancreaticoduodenal a.
    → Right gastroepiploic a.
37
Q

what branches off the superior mesenteric

A

Inferior (anterior) pancreaticoduodenal a.

  • Middle colic a.
  • Right colic a.
  • Ileocolic a.
    o Ileal a.
    o Colic a.
  • Intestinal aa.
    o Jejunal aa.
    o Ileal aa
38
Q

what artery supplies the tranverse colon

A

middle colic

39
Q

what arteru supplies the ascending colon

A

right colic

40
Q

what branches off thee ileocolic a

A

ileal a

colic a

41
Q

what are the branches off the inteestinal a

A

jejunal and ileal

42
Q

what are the branchse off the inferior mesenteric

A

Left colic a.
→ Superior left colic
→ Inferior left colic

  • Sigmoid aa.
  • Superior rectal a.
43
Q

what branches off the left colic

A

superior and inferior left colic

44
Q

what supplies the decsending colon

A

left colic

45
Q

superior mesenteeric v

inferior mesenteric v and spenic v all join together to form what

A

portal v

46
Q

the portal vein enters what organ

A

hepatic

47
Q

what vessel acts an a collateral for IVC

A

azygos vein

48
Q

what are the branchees off the azygos vein

A

hemiazygos and accessory hemiazoygos

49
Q

what are the branches of the artery directly off the external cartoid

A
Sup. Thyroid a.
Lingual a.
Facial a.
Occipital a.
Posterior auricular a.

superficial temportal
maxillary

50
Q

put these in order from inferioe to superior Sup. Thyroid a., occipital a, posterior auricular, lingual a, facial a

A
Sup. Thyroid a.
Lingual a.
Facial a.
Occipital a.
Posterior auricular a.
51
Q

what are the branches off the superficial temportal

A

Transverse Facial a.
Zygomaticoorbital a.
Frontal a.
Parietal a.

52
Q

what are the branches off the maxillary a

A

middle minengeal

innfraorbital a