CARDIOVASCULAR SYSTEM

Question 1

a muscular pump consisting 2 receiving chamber (atria) two pumping chambers (ventricles)

Answer 1

heart

Question 2

apex anteriorly and inferiorly to the left at ______________

Answer 2

5th ICS, MCL

Question 3

the heart is located in the _____ mediastinum

Answer 3

middle mediastinum

Question 4

invaginated sac consisting of fibrous and serous

Answer 4

fibrous pericardium

Question 5

tough covering
provide protection and anchors the heart into mediastinum

Answer 5

fibrous pericardium

Question 6

two types of serous pericardium

Answer 6

parietal and visceral pericardium

Question 7

outer layer of the serous pericardium membrane lines the fibrous coat

Answer 7

parietal pericardium

Question 8

inner layer of the serous membrane

Answer 8

visceral pericardium

Question 9

3 walls of the heart

EME

Answer 9

epicardium
myocardium
endocardium

Question 10

external layer, the visceral layer of the serous pericardium

Answer 10

epicardium

Question 11

middle muscular layer of the heart

Answer 11

myocardium

Question 12

inner layer of the endothelium

Answer 12

endocardium

Question 13

fibrous skeleton of the heart
surrounds the AV pulmonic, aortic valves

Answer 13

annulus fibrosis

Question 14

fibrous skeleton between aortic and AV openings

Answer 14

fibrous trigones

Question 15

fibrous skeleton of the heart

AFM

Answer 15

annulus fibrosis
fibrous trigones
membranous portion of the IV septa

Question 16

structures separating the chambers

Answer 16

septa

Question 17

separates the right and left atrium

Answer 17

interatrial septum

Question 18

separates the right and left ventricles

Answer 18

interventricular septum

Question 19

the right atrium receives blood from the

S, I, A, V, CS

Answer 19

superior vena cava
inferior vena cava
anterior cardiac veins
vena cordis minimae
coronary sinus

Question 20

irregular muscular ridges probably to hold more blood

Answer 20

trabeculae carnae

Question 21

conical in shape with the base attached to the ventricular wall and the apices receiving the end of the chordae tendinae

Answer 21

papillary muscles

Question 22

thickest wall of the arteries

Answer 22

tunica media

Question 23

thickest wall of the veins

Answer 23

tunica adventitia

Question 24

the main arterial trunk of the systemic circularion

Answer 24

aorta

Question 25

aorta divides into AADA

Answer 25

ascending, arch, descending, abdominal

Question 26

right coronary artery originates from right aortic sinus left coronary artery originates from left aortic sinus

Answer 26

ascending aorta

Question 27

direct branches of the ascending aorta RCC, LCC

Answer 27

right coronary artery, left coronary artery

Question 28

direct arch of aorta BA, LCC, LS

Answer 28

branchiocephalic left common carotid left subclavian

Question 29

branch that supplies the brain

Answer 29

left common carotid artery

Question 30

begins at lvl 4 and descends to diaphragm to become abdominal aorta

Answer 30

descending aorta

Question 31

lvl of T12 ends lvl L4 paired terminal branches right common iliac, left common iliac

Answer 31

abdominal aorta

Question 32

PAIRED VISCERAL OF THE ABDOMINAL AORTA MSA, RA, T/O A

Answer 32

middle suprarenal renal testicular/ovarian

Question 33

UNPAIRED VISCERAL ABDOMINAL AORTA C, S&I M

Answer 33

coeliac artery superior mesenteric inferior mesenteric

Question 34

PARIETAL PAIRED BRANCHES OF THE ABDOMINAL AORTA IP, L, CI

Answer 34

inferior phrenic lumbar common iliac

Question 35

UNPAIRED BRANCH OF THE ABDOMINAL AORTA m.sac

Answer 35

median sacral

Question 36

blood supply of the brain ICA, V, CofW

Answer 36

internal carotid artery vertebral artery circle of willis

Question 37

________________ becomes the popliteal artery that divides into anterior tibial and posterior tibial artery

Answer 37

femoral artery

Question 38

travelling pressure that causes an alternating expansion and recoil of elastic arteries

Answer 38

pulse

Question 39

parasympathetic ____- nerve which is inhibitory to the heart

Answer 39

vagus nerve