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Question 1 of 32
3.0/ 3.0 Points
What is the bursting of a blood vessel called?

A.embolus
B.aneurysm
C.thrombus
D.myocardial
infarction
E.stroke

Question 2 of 32
3.0/ 3.0 Points
At any one time, where is the majority of the blood found in
the body?

A.veins
B.lungs
C.lymphatic vessels
D.capillaries
E.arteries

Question 3 of 32
3.0/ 3.0 Points
Blood pressure ______ with distance from the left ventricle
while the total cross-sectional area of the blood vessels __________.

A.decreases,
increases
B.increases,
decreases
C.stays the same,
decreases
D.stays the same,
increases
E.decreases, stays
the same

Question 4 of 32
3.0/ 3.0 Points
Which of the following blood vessels are small, thin, and
porous enough to exchange substances at the tissue level of organization?

A.arterioles
B.capillaries
C.venules
D.small arteries
E.veins

Question 5 of 32
0.0/ 3.0 Points
What is the instrument called that is used to measure blood
pressure?

A.stethoscope
B.CPR
C.sphygmomanometer
D.ECG
E.AED

Question 6 of 32
3.0/ 3.0 Points
Which of the following activities is not recommended for
prevention of cardiovascular disease?

A.Know your
cholesterol level.
B.Take antioxidant
vitamins (A, E, and C).
C.Raise the LDL
intake.
D.Use olive and
canola oil rather than butter/cream.
E.Exercise
moderately.

Question 7 of 32
3.0/ 3.0 Points
RBCs are better known as ________ and WBCs are better known
as ___________.

A.lymphocytes,
monocytes
B.erythrocytes,
eosinophils
C.leukocytes,
erythrocytes
D.erythrocytes,
leukocytes
E.macrophages,
neutrophils

Question 8 of 32
3.0/ 3.0 Points
After blood clots, the yellowish fluid that escapes from the
clot is called

A.thrombin.
B.fibrinogen.
C.serum.
D.lymph.
E.plasma.

Question 9 of 32
3.0/ 3.0 Points
Hemoglobin that carries carbon dioxide is called

A.oxyhemoglobin.
B.betahemoglobin.
C.carbaminohemoglobin.
D.alphahemoglobin.
E.deoxyhemoglobin.

Question 10 of 32
3.0/ 3.0 Points
How many globin chains are found in hemoglobin?

A.0
B.1
C.2
D.3
E.4

Question 11 of 32
3.0/ 3.0 Points
Which term refers to uncontrolled growth of white blood
cells?

A.leukemia
B.infectious
mononucleosis
C.thrombocytopenia
D.hemophilia
E.thromboembolism

Question 12 of 32
3.0/ 3.0 Points
Certain complement proteins kill foreign microbes by

A.creating
interferon.
B.causing them to
burst.
C.inactivating their
ribosomes.
D.agglutinating them.
E.destroying their
nucleic acids.

Question 13 of 32
3.0/ 3.0 Points
The RhoGAM shot given to Rh negative mothers with an Rh
positive fetus is an example of what type of immunity?

A.active
B.passive
C.nonspecific
D.general
E.neutral

Question 14 of 32
3.0/ 3.0 Points
Shaun was in need of a kidney transplant. What is the most
important thing that needs to match between him and the kidney donor?

A.TCR
B.MHC
C.PCR
D.HCG
E.EKG

Question 15 of 32
3.0/ 3.0 Points
Which of the following is not a sign of inflammation?

A.redness
B.heat
C.swelling
D.pain
E.difficulty
breathing

Question 16 of 32
0.0/ 3.0 Points
Which of the following is not an autoimmune disease?

A.hay fever
B.rheumatic fever
C.rheumatoid
arthritis
D.systemic lupus
erythematosus
E.myasthenia gravis

Question 17 of 32
0.0/ 3.0 Points
What is the name of the lymphatic vessels located in the
small intestines?

A.tonsils
B.nodes
C.polyps
D.adenoids
E.Peyer patches

Question 18 of 32
3.0/ 3.0 Points
Which category of disease classification is described as
having more cases than expected in a given period of time?

A.epidemic
B.outbreak
C.pandemic
D.None of these
E.opportunistic
infection

Question 19 of 32
3.0/ 3.0 Points
There are normally 1-2 cases of measles per month in a
particular city. However, in the month of September, there were 15 cases. Is
this an epidemic?

A.YES
B.NO

Question 20 of 32
3.0/ 3.0 Points
In which phase of an HIV infection is the person typically
asymptomatic?

A.acute phase (A)
B.chronic phase (B)
C.AIDS (C)
D.AIDS (D)
E.terminal phase

Question 21 of 32
0.0/ 3.0 Points
The HIV virus contains a genome composed of

A.double stranded
DNA.
B.single stranded
RNA.
C.double stranded
RNA.
D.single stranded
RNA.
E.one strand of DNA
and one strand of RNA.

Question 22 of 32
0.0/ 3.0 Points
How long does the treatment for TB take?

A.1-2 days
B.1-2 weeks
C.1 month
D.2 months
E.6+ months

Question 23 of 32
3.0/ 3.0 Points
Research shows that in the absence of neural and hormonal
influences, the sinoatrial (SA) node generates action potentials at a frequency
of about 100 times per minute. However, the resting heart rate is about 70
beats per minute. What would the approximate heart rate be if the vagus nerve
were
severed?
A.about 70 beats per
minute
B.faster than 100
beats per minute
C.slower than 70
beats per minute
D.about 100 beats per
minute

Question 24 of 32
0.0/ 3.0 Points
Which of the following types of muscle are capable of
autorhythmicity?
A.Cardiac
B.Smooth
C.Skeletal
D.Cardiac and smooth
E.Cardiac and
skeletal

Question 25 of 32
3.0/ 3.0 Points
What happens during Phase 3 of cardiac muscle
depolarization?
A.Membrane potential
falls slightly and then rebounds as potassium flow out of the cell decreases
and calcium flows into the cell.
B.”The plateau
phase”; when the membrane remains in a depolarized state; potassium
channels stay closed and calcium channels stay open.
C.Period of resting
potential until the next depolarization.
D.repolarization to
reach the resting membrane potential.

Question 26 of 32
0.0/ 3.0 Points
In the simulation, when vagus nerve stimulation was applied
to the frog heart, _______.
A.the force of
contraction increased and the heart rate slowed and eventually stopped
B.the heart rate
slowed and eventually stopped
C.the force of
contraction decreased
D.the force of
contraction increased
E.the force of
contraction decreased and the heart rate slowed and eventually stopped

Question 27 of 32
3.0/ 3.0 Points
In the simulation, delivering single shocks in succession to
stimulate the frog heart _______.
A.resulted in fused
tetanus
B.resulted in wave
summation
C.did not increase
the height of the ventricular systole wave
D.increased the
height of the ventricular systole wave

Question 28 of 32
3.0/ 3.0 Points
The effect of vagus nerve stimulation on the heart is to
_______.
A.decrease the heart
rate
B.increase the heart rate
C.increase the heart
rate and increase the force of contraction
D.decrease the heart
rate and decrease the force of contraction

Question 29 of 32
3.0/ 3.0 Points
The repolarization of cardiac muscle is due to _______.
A.sodium exiting the
cell
B.potassium exiting
the cell
C.potassium entering
the cell
D.sodium entering the
cell

Part 6 of 7 – 0.0/
8.0 PointsAnswer the following question in your own words without using any
resources. Your answer should be written in complete sentences using correct
grammar, spelling, and terminology.

Question 30 of 32
0.0/ 4.0 Points
Briefly explain why wave summation and tetany would be
deadly in cardiac muscle.

Question 31 of 32
0.0/ 4.0 Points
Briefly explain how the sympathetic and parasympathetic
nervous systems work together to regulate heart rate.

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