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Question 1
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Question 2
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Heart, Blood, and Circulatory System
At rest, the majority of blood is found in which type of vessel?
arteries
arterioles
capillaries
venules
veins
Molecules like salts and water move into tissue through
.
capillary pores
protein pumps
protein channels
lymphatic vessels
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I Question 3
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Question 4
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venules
Movement of skeletal muscles helps propel blood through
.
arteries
arterioles
capillaries
venules
veins
Fluid that leaves the capillaries is returned to the blood by the
.
carotid artery
arterioles
arteries
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Question 5
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Question 6
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lymphatic system
hepatic portal system
Which circulation system carries blood from the small intestines to the liver?
coronary
systemic
hepatic portal
aortic
pulmonary
The largest vessel in the body is the
.
carotid artery
superior vena cava
femoral artery
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Question 7
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I Question 8
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ascending aorta
coronary artery
A heart rate above 100 beats per minute is known as
.
bradycardia
arrhythmia
tachycardia
atrial fibrillation
ventricular fibrillation
As the electrical impulse moves through the cardiac conduction system it
slows down at which structure to allow the atria to finish their contraction?
Purkinje fibers
Bundle branches
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Question 9
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Question 10
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AV node
SA node
gap junctions
Excessive amounts of blood lipids increases the risk of
.
arteriosclerosis
atherosclerosis
hypertension
a heart attack
angioplasty
In which structure would you find oxygenated blood?
right atrium
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Question 11
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Question 12
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right ventricle
pulmonary veins
pulmonary arteries
superior and inferior vena cava
The jugular veins drain blood from the
.
heart
lungs
liver
brain
arms
What regulates blood flow through a capillary bed?
arteriole flow
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Question 13
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Question 14
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venule flow
heart rate
precapillary sphincter status
amount of salt in the blood
Which blood type is rare?
A only
B only
AB
O
Both AB and O
Which disorder is caused by the Epstein-Barr virus?
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Question 15
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Question 16
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malaria
leukemia
infectious mononucleosis
anemia
toxemia
Blood in the veins looks purplish because
.
it contains less oxygen than arterial blood
most of the oxygen is dissolved in the plasma
less oxygen is in the plasma compared to bound to hemoglobin
it contains less carbon dioxide
veins run deeper than arteries
Which platelet hormone aids in the prevention of blood loss?
lOMoARcPSD|266586 02
Question 17
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ATP
serotonin
heparin
fibrinogen
thrombin
On average, how many red blood cells are there in a microliter of blood?
5,000
50,000
500,000
5,000,000
50,000,000
Question 18
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Question 19
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A chemical characteristic of a cell or particle that causes an immune
response is a(n)
.
allergy
antibody
antigen
blood type
Rh factor
A person with type AB blood has which cell markers?
A only
B only
A and B
neither A or B
O
lOMoARcPSD|266586 02
Question 21
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For an adult, average blood volume is about
.
1-2 liters
2-3 liters
3-4 liters
4-5 liters
more than 6 liters
The general term for disorder associated with decreased oxygen delivery by
blood is
.
malaria
leukemia
mononucleosis
anemia
Question 20
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Question 22
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I Question 23
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toxemia
The tough tendon-like structures that anchor the AV valves are the
.
endocardium
septum
chordae tendineae
semilunar valves
Purkinje fibers
The mitral valve
.
lies between the left and right ventricles
is found on the right side of the heart
prevents blood from back flowing into the aorta
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Question 24
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Question 25
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lies between the left atrium and left ventricle
closes when the left ventricle relaxes
The contraction phase of the cardiac cycle is known as
.
systole
diastole
cardiac output
mean arterial pressure
pulse pressure
A person with type B blood has which antibodies?
A only
B only
A and B
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neither A or B
O
