Lungs/heart

Question 1

Label arteries 1-7

Answer 1

Question 2

ausculation point for murmur of patent ductus arteriosus

Answer 2

just lateral to pulmonary semilunar valve sound point

(just lateral to left of sternum over 2nd intercostal space)

Question 3

What empties into coronary sinus and what is each vein paired with?

Answer 3

• great cardiac vein (w/ anterior interventricular artery)
• middle cardiac vein (w/ posterior interventricular artery)
• small cardiac vein (w/ right marginal artery)

Question 4

where is opening of coronary sinus

Answer 4

right atrium

Question 5

right atrium receives blood from what cardiac veins?

Answer 5

anterior cardiac veins

Question 6

bronchial arteries carry what kind of blood where?

Answer 6

bronchial arteries carry oxygenated blood from thoracic aorta to supporting tissues of lungs and visceral pleura

Question 7

3 layers of pericardium

Answer 7

• inner serous layer
  
  • visceral
  • parietal
• outer fibrous layer

Question 8

where is the oblique pericardial sinus?

Answer 8

cul-de-sac in the pericardial cavity posterior to the heart

Question 9

chordae tendinae (where and function)

Answer 9

in right ventricle

stabilize valve cusps

Question 10

papillary muscles (where and function)

Answer 10

in right ventricle

contract to tighten chordae tendinae

Question 11

Ausculation area for mitral valve sound

Answer 11

apex of the heart at the 5th intercostal space below left nipple

Question 12

At what level does the trachea bifurcate/ what does it bifurcate into?

Answer 12

bifuracates at level of transverse thoracic plane into

2 main (primary) bronchi

Question 13

pulmonary trunk divides into?

Answer 13

right and left pulmonary arteries

Question 14

where is the transverse pericardial sinus?

Answer 14

posterior to the intrapericardial parts of the pulmonary trunk and ascending aorta and anterior to the SVC and superior to the atria of the heart

Question 15

name the 4 valves

Answer 15

Question 16

where are pectinate muscles found?

Answer 16

wall of right atrium

Question 17

where is fossa ovales

Answer 17

in right atrium towards left atrium

Question 18

name the 4 chambers

Answer 18

Question 19

moderator band (where and function)

Answer 19

part of conduction system in right ventricle

Question 20

Label the following

Answer 20

A) arch of aorta

B) SVC

C) right atrium

D) auricle of right atrium

E) right ventricle

F) left ventricle

G) apex of heart

H) auricle of left atrium

Question 21

crista terminalis

Answer 21

between smooth and muscular portions of atrium

Question 22

pulmonary arteries divide into?

Answer 22

lobar and segmental arteries within the lungs

Question 23

carina

Answer 23

midline cartilaginous ridge separating the lumens of the two primary bronchi (@last tracheal ring)

Question 24

Ausculation area for tricuspid valve sound

Answer 24

midline and to the left side of sternum at 5th intercostal space

Question 25

describe difference between right and left main bronchus

Answer 25

right is wider, shorter and runs more vertically

left runs inferior to arch of aorta and anterior to esophagus and thoracic aorta

Question 26

pulmonary embolism

Answer 26

• occurs when blood clot, fat globule, air bubble travels to lungs (usually originates from leg vein)
• then may block pulmonary artery
• causes acute respiratory distress becuase of decrease in blood oxygenation

Question 27

CABF

Answer 27

coronary artery bypass graft

vein taken from leg and used to bypass narrowed coronary arteries (used as collaterols)

Question 29

Ausculation area for aortic semilunar valve sound

Answer 29

right of sternum over 2nd intercostal space

also in the neck over carotid artery

Question 30

function of auricle

Answer 30

can increase capacity of atrium

Question 31

Ausculation area for pulmonary semilunar valve sound

Answer 31

left of sternum over 2nd intercostal space

Question 32

describe general flow of coronary circulation

Answer 32

• aorta
  
  • right coronary artery
    
    • sinoatrial nodal artery
    • right marginal artery
    • posterior interventricular artery
  • left coronary artery
    
    • anterior interventricular (LAD)
    • circumflex artery

Question 33

trabeculae carnae (where and function)

Answer 33

muscular ridges in right ventricle