Download Cardiovascular

Cardiovascular Quiz
What causes blood to leave the heart?
a.
b.
c.
d.
2.
Coronary arteries
a.
b.
c.
d.
3.
carries oxygenated blood
is a branch of the main coronary artery
is the main artery feeding the ventricles
is a vein that drains heart muscle tissue
The hepatic portal system
a.
b.
c.
d.
7.
their endothelial layer is thicker
they have more connective tissue
they have narrow lumens
they contain more smooth muscle
The coronary sinus
a.
b.
c.
d.
6.
the intrinsic conduction system of the heart
blood pressure in the heart
the nodal system
the autonomic nervous system
Arteries have thicker walls than veins because
a.
b.
c.
d.
5.
are branches of the pulmonary trunk
have valves, unlike other arteries
originate in the base of the aorta
take blood to the tissues of the lungs
Which of these does NOT regulate heart activity?
a.
b.
c.
d.
4.
atrial contraction
ventricular contraction
increasing pressure in the heart chambers
the action of atrioventricular valves
insures that nutrients from digestion are processed by the liver
is a series of arteries between the digestive system and the liver
carries nutrient rich blood to all parts of the body
carries oxygenated blood
Which of these is true about blood vessels?
a.
b.
the renal artery serves the liver
the radial artery passes along the medial bone in the forearm
c.
d.
8.
The correct pathway of impulses through the conducting system of the heart is
a.
b.
c.
d.
9.
the internal iliac artery serves the intestine
the common carotid arteries are located in the neck
Purkinje fibers, AV node, bundle branches, SA node, AV bundle
AV node, AV bundle, Purkinje fibers, bundle branches, SA node
SA node, AV node, Purkinje fibers, bundle branches, AV bundle
SA node, AV node, AV bundle, bundle branches, Purkinje fibers
Congestive heart failure
a.
b.
c.
d.
occurs in the fetus
normally occurs as we age
can be cured
is a progressive weakening of the heart
10. On an ECG, which of these represents the depolarization of the ventricles?
a.
b.
c.
d.
11.
P wave
P-Q interval
QRS complex
T wave
Blood returns to the heart from the lower extremities through the
a.
b.
c.
d.
superior vena cava
inferior vena cava
coronary sinus
aorta
12. The Circle of Willis takes blood to the
a.
b.
c.
d.
brain
liver
heart
shoulder
13. The apex of the heart is the
a.
b.
c.
d.
top of the ventricles and lies under the third rib
bottom of the ventricles and is at the level of the fifth intercostal space
top of the atria and under the first rib
division between left and right ventricles
14. Blood leaves the heart during
a.
b.
c.
d.
atrial diastole
ventricular diastole
ventricular systole
atrial systole
15. Which of these is between the left atrium and the left ventricle?
a.
b.
c.
d.
aortic semilunar valve
bicuspid valve
tricuspid valve
pulmonary semilunar valve
16. Which of these does not increase cardiac output?
a.
b.
c.
d.
sympathetic stimulation to the heart
parasympathetic stimulation to the heart
fever
exercise
17. Which of these is true about the heart sounds?
a.
b.
c.
d.
the
the
the
the
first sound is caused by semilunar valves closing
second sound is caused by AV valves closing
second sound is normally louder than the first
first sound is caused by AV valves closing
18. Which of these is true about the cardiovascular system?
a.
b.
c.
d.
in early diastole the ventricles begin to contract
the SA node is the pacemaker of the heart because it has the fastest rate of spontaneous depolarization
all heart muscle cells are capable of spontaneous contraction
pulmonary arteries carry oxygenated blood to the lungs from the right heart
19. Which of these is NOT true about ions and the heart?
a.
b.
c.
d.
high calcium can stop the heart
low calcium depresses the heart
high potassium causes weak heartbeat
low potassium can cause abnormal heart rhythms
20. Vessels in which exchange of nutrients and blood gasses occur are the
a.
b.
c.
d.
arteries
arterioles
venules
capillaries