Week 3

Question 1

interventricular grooves

Answer 1

between

ventricles

Question 2

crista terminalis

Answer 2

terminal crest, a crest of tissue separating the rough and smooth
portions of the right atrium

Question 3

musculi pectinati

Answer 3

pectinate muscles, the ridges of the rough portion of the atrium

Question 4

coronary sinus

Answer 4

drains blood from the coronary circulation back into the right
atrium.

Question 5

where is the fossa ovalis

Answer 5

the oval depression in the thin interatrial septum

Question 6

what can i find in the right atrium

Answer 6

crista terminalis
musculi pectinati
coronary sinus
fossa ovalis

Question 7

what can i find in the right ventricle

Answer 7

tricuspid valve
papillary muscles of the tricuspid valve
chorda tendineae
trabeculae carnae
pulmonary valve
outflow tract of the right ventricle

Question 8

what is the pulmonary valve

Answer 8

a semilunar valve

Question 9

rough part

Answer 9

trabeculae carnae

Question 10

smooth part

Answer 10

infundibulum

Question 11

how many cusps in the tricuspid valve

Answer 11

three

Question 12

how many cusps in the mitral valve.

Answer 12

two

Question 13

how can i tell its the left auricle

Answer 13

its muscular ridges

Question 14

what is above the three aortic valuve cusps?

Answer 14

the aortic sinuses

Question 15

where does the right coronary artery arise from

Answer 15

the anterior aortic sinus

Question 16

where does the left coronary artery arise from

Answer 16

the left posterior aortic sinus.

Question 17

what are the atrioventricular sulci

Answer 17

grooves between the atria and ventricles

Question 18

where is the heart

Answer 18

in the mid thorax with 2/3 to the left of the sternum and 1/3 to the right.

Question 19

where are the auscultatory areas on the skeleton

Answer 19

tricuspid area
pulmonary area
mitral area
aortic area

Question 20

tricuspid area

Answer 20

located at the lower left sternal border

Question 21

pulmonary area

Answer 21

Located at the left second intercostal space adjacent to the left
sternal border.

Question 22

mitral area

Answer 22

located at the left fifth intercostal space in the left midclavicular line

Question 23

aortic area

Answer 23

Located at the right second intercostal space adjacent to the right sternal border.

Question 24

The visceral pericardium is known as

Answer 24

the epicardium.

Question 25

are the Parietal and visceral pericardium continuous?

Answer 25

yes

Question 26

Pericardial cavity

Answer 26

is a potential space normally containing a small amount

of serous fluid.

Question 27

Heart position and

surface markings

Answer 27

Long axis runs infero-laterally towards left
 Right side runs between 3rd and 6th costal cartilages in parasternal line.
 Left side runs from 2nd CC to 5th IC space near the midclavicular line.
 1/3 of the heart is right of the midline.
 2/3 of the heart is left of the midline.
 Posterior surface is between T5 and T8.