Ch1 Anatomy

Question 1

What fraction of the heart sits on the left thoracic cavity?
A.) 1/2
B.) 1/3
C.) 2/3
D.) 3/4

Answer 1

C.) 2/3

Question 2

The heart of an average male weights how much?
A.) 280 - 340 grams 
B.) 230 - 280 grams 
C.) 180 - 220 grams 
D.) 150 - 180 grams

Answer 2

A.) 280 - 340 grams

Question 3

The heart of an average female weights how much?
A.) 280 - 340 grams 
B.) 230 - 280 grams 
C.) 180 - 220 grams 
D.) 150 - 180 grams

Answer 3

B.) 230 - 280 grams

Question 4

What are the dimensions of a heart?
A.) 15 X 9 X 5
B.) 14 X 8 X 5
C.) 13 X 7 X 6
D.) 12 X 8 X 6

Answer 4

D.) 12 X 8 X 6

Question 5

The atrial septum contains a central depression made of a thin FIBRINOUS material, what is it called?
A.) PFO
B.) ASD
C.) Fossa Ovalis 
D.) Primum Septum

Answer 5

C.) Fossa Ovalis

Question 6

The RA & RV are divided by what prominent boundary ?
A.) Right Atrioventricular sulcus 
b.) Basilar Sulcus 
C.) Crux
D.) Anterior Interventricular Sulcus

Answer 6

A.) Right Atrioventricular sulcus

Question 7

What coronary artery runs through the Right Atrioventricular Sulcus?
A.) RCA
B.) LCA
C.) LAD
D.) CIRC

Answer 7

A.) RCA

Question 8

What prominent structure separates the LV & RV from an exterior perspective?
A.) Right Atrioventricular sulcus 
b.) Basilar Sulcus 
C.) Crux
D.) Anterior Interventricular Sulcus

Answer 8

D.) Anterior Interventricular Sulcus

Question 9

What coronary artery runs through the Right Atrioventricular Sulcus?
A.) RCA
B.) LCA
C.) LAD
D.) CIRC

Answer 9

C.) LAD

Question 10

The coronary sinus lies on what prominent structure on the heart?

A.) Right Atrioventricular sulcus
B.) Posterior interventricular Sulcus
C.) Basilar Sulcus
D.) Anterior Interventricular Sulcus

Answer 10

B.) Posterior interventricular Sulcus

Question 11

The Posterior interventricular Sulcus also contains what other vessel?

A.) RCA
B.) Great Cardiac Vein
C.) PDA
D.) Conus

Answer 11

C.) PDA (Posterior Descending Artery) of the RCA

Question 12

What is the loose fibrous layer of the pericardium that becomes continuous with the outer layers of the great vessels?
A.) Fibrous Layer Pericardium
B.) Serous Layer Pericardium

Answer 12

A.) Fibrous Layer Pericardium

Question 13

Name the layers of the heart starting from the inside out?

Answer 13

1. ) Endocardium (Endothelial Cells)
2. ) Myocardium (Elongated-Interconnected Cells)
3. ) Serous Pericardium - Visceral Layer
4. ) 50 mL of Pericardial Fluid
5. ) Serous Pericardium - Parietal Layer
6. ) Fibrous Pericardium (Tough white connective tissue)