General Concepts #5 – Cardiovascular and Lymphatic Systems (2009)

Question 1

Which component of blood plasma accounts for the SECOND highest percentage?

a) Water
b) Protein
c) Other solutes
d) Electrolytes
e) Platelets

Answer 1

b) Protein

Question 2

Once interstitial fluid has been pushed into special capillaries, it is called:

a) Red blood cells
b) White blood cells
c) Lymph
d) Platelets
e) Plasma

Answer 2

c) Lymph

Question 3

What chamber of the heart first receives oxygenated blood?

a) Right ventricle
b) Right atrium
c) Left ventricle
d) Left atrium

Answer 3

d) Left atrium

Question 4

After blood leaves the right ventricle, what structure does it enter next?

a) Pulmonary artery
b) Left atrium
c) Right atrium
d) Aorta
e) Pulmonary trunk

Answer 4

e) Pulmonary trunk

Question 5

What layer of the heart is considered visceral?

a) Myocardium
b) Pericardium
c) Endocardium
d) Epicardium
e) Cardium

Answer 5

d) Epicardium

Question 6

What great vessel receives blood from the arms?

a) Superior vena cava
b) Inferior vena cava
c) Aorta
d) Greater vena cava
e) Lesser vena cava

Answer 6

a) Superior vena cava

Question 7

What type of tissue is the tunica media made of?

a) Endothelium
b) Smooth muscle
c) Connective
d) Skeletal muscle
e) Cardiac muscle

Answer 7

b) Smooth muscle

Question 8

Baroreceptors are located in the aortic arch and carotid sinuses. They are responsible
for sensing:
a) CO2 changes
b) O2 changes
c) Vasoconstriction
d) Vasodilation
e) Pressure changes

Answer 8

e) Pressure changes

Question 9

Certain vessels of the eye, kidney, and endocrine glands have standard endothelial
cells but holes for the movement of molecules. These vessels are called:
a) Venules
b) Sinusoid
c) Fenestrated capillary
d) Continuous capillary
e) Vasa vasorium

Answer 9

c) Fenestrated capillary

Question 10

During an abdominal procedure, a surgeon ligates (cuts) the single terminal arterial
branch to an organ. This organ will:
a) Anastomose
b) Backup from collateral circulation
c) Become a vascular shunt
d) Remain intact
e) Necrose (die)

Answer 10

e) Necrose (die)

Question 11

Lymphatic vessels are drained from:

a) The inferior vena cava (IVC)
b) The superior vena cava (SVC)
c) Arteries
d) Capillaries
e) Veins

Answer 11

d) Capillaries

Question 12

All lymph from the body drains to the thoracic duct except the:

a) Right arm
b) Right leg
c) Left arm
d) Left leg
e) Abdomen

Answer 12

a) Right arm

Question 13

Movement of lymph through the lymphatic system involves all of the following
EXCEPT:
a) Contraction of muscles
b) Lymph node dilation
c) Respiratory movement
d) Arterial pulsation
e) Smooth muscle in the vessels

Answer 13

b) Lymph node dilation