Colloquium 2 Version 2 (needs to be checked)

Question 1

1. The space between the parietal and visceral layers of the pericardium is normally filled by
   a) air
   b) blood
   c) serous fluid

Answer 1

c) serous fluid

Question 2

2.The layer of the heart wall responsible for its pumping action is the

 a) epicardium
 b) myocardium
 c) endocardium

Answer 2

b) myocardium

Question 3

3.Blood flows from the superior vena cava into the

   a) right atrium
   b) inferior vena cava
   c) left atrium

Answer 3

a) right atrium

Question 4

4.The fossa ovalis is a prominent depression seen in the

a) wall of the aorta
b) interventricular septum
c) interatrial septum

Answer 4

c) interatrial septum

Question 5

5.The myocardium is made of

 a) smooth muscle
 b) cardiac muscle
 c) skeletal muscle

Answer 5

b) cardiac muscle

Question 6

6.Blood flows from the pulmonary veins into the

 a) right atrium
 b) lungs
 c) left atrium

Answer 6

c) left atrium

Question 7

7.The bicuspid valve is located between the

a) right ventricle and the aorta
b) left atrium and the left ventricle
c) right and left ventricles

Answer 7

b) left atrium and the left ventricle

Question 8

8.There is a semilunar valve between the

a) right ventricle and the aorta
b) left ventricle and the pulmonary trunk
c) right ventricle and the pulmonary trunk

Answer 8

c) right ventricle and the pulmonary trunk

Question 9

9.Blood flows into the coronary arteries from the

a) coronary sinus
b) ascending aorta
c) superior vena cava

Answer 9

b) ascending aorta

Question 10

10.The function of the chordae tendineae is to

a) open semilunar valves
b) open the AV valves
c) prevent eversion of the AV valves 
    during ventricular systole

Answer 10

c) prevent eversion of the AV valves

Question 11

11.The atrioventricular valves close when the

a) atria contract
b) ventricles relax
c) ventricles contract

Answer 11

c) ventricles contract

Question 12

12.The atrioventricular valves open when

a) the chordae tendineae contract
b) ventricular pressure falls below atrial
pressure
c) atrial pressure falls below ventricular
pressure

Answer 12

b) ventricular pressure falls below atrial

Question 13

13.All deoxygenated blood returning from the systemic circulation flows into the

 a) left atrium
 b) coronary sinus
 c) right atrium

Answer 13

c) right atrium

Question 14

14.The cusps of the AV valves are anchored to the papillary muscles by

a) the epicardium
b) the chordae tendineae
c) pericardium

Answer 14

b) the chordae tendineae

Question 15

15.The initiation of the heart beat is the responsibility of the

a) cardiovascular center
b) SA node
c) AV node

Answer 15

b) SA node

Question 16

16.The SA node is located

a) near the fossa ovalis in the interatrial
septum
b) in the left atrial wall near the openings
of the right pulmonary veins
c) in the right atrial wall near the opening
of the superior vena cava

Answer 16

c) in the right atrial wall near the opening of the superior vena cava

Question 17

17.Valves are present in

 a) arteries
 b) arterioles
 c) veins

Answer 17

a) arteries

Question 18

18.Most fluid and proteins that escape from blood vessels to the interstitial fluid are normally

a) absorbed into tissue cells
b) returned to the blood via the hepatic system
c) returned to the blood via the lymphatic system

Answer 18

c) returned to the blood via the lymphatic system

Question 19

19.Baroreceptors are located in the

a) wall of the right ventricle
b) walls of the aorta and carotid arteries
c) SA node

Answer 19

b) walls of the aorta and carotid arteries

Question 20

20.The hepatic portal vein is formed by the union of the superior mesenteric vein and the

 a) hepatic vein
 b) splenic vein
 c) pancreatic vein

Answer 20

b) splenic vein

Question 21

21.The first major branch of the aorta below the diaphragm is the

a) superior mesenteric artery
b) celiac artery
c) renal artery

Answer 21

b) celiac artery

Question 22

22.Anterior to the elbows, the median cubital veins connect the

a) cephalic and brachial veins
b) cephalic and basilic veins
c) basilic and brachial veins

Answer 22

b) cephalic and basilic veins

Question 23

23.Which of the following flows directly into the inferior vena cava?

 a) internal iliac vein
 b) hepatic portal vein
 c) hepatic veins

Answer 23

c) hepatic veins

Question 24

24.Blood in the great saphenous vein flows into the

a) external iliac vein
b) femoral vein
c) popliteal vein

Answer 24

b) femoral vein

Question 25

25.Blood flows into the left common carotid artery from the

a) brachiocephalic trunk
b) arch of the aorta
c) (I think)left subclavian artery

Answer 25

b) arch of the aorta

Question 26

26.Blood flows directly into the superior vena cava from the

 a) brachiocephalic veins
 b) internal jugular veins
 c) subclavian veins

Answer 26

a) brachiocephalic veins

Question 27

27.The thoracic duct empties lymph into the

a) right lymphatic duct
b) left subclavian vein
c) cisterna chyli

Answer 27

b) left subclavian vein