“BIO 235 - FINAL EXAM QUESTION BANK
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Exam Bank BIO 235 - Final Exam
The volume of blood that circulates through the systemic (or pulmonary) blood
vessels per minute is called
a) stroke volume.
b) tidal volume.
c) cardiac output.
d) cardiac reserve.
e) total peripheral resistance
c) cardiac output.
Cardiac output is dependent on both
a) heart rate and stroke volume.
b) stroke volume and systemic vascular resistance.
c) heart rate and systemic vascular resistance.
d) blood type and stroke volume.
e) blood pressure and heart rate
a) heart rate and stroke volume.
Which of the following would NOT result in an increase in arterial blood
pressure?
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a) Increased blood volume
b) Increased sympathetic stimulation
c) Increased heart rate
d) Increased stroke volume
e) Increased arteriolar vasodilation
e) Increased arteriolar vasodilation
Which of the following would NOT result in an increase in systemic vascular
resistance?
a) Decreased diameter of systemic arterioles
b) Increased blood viscosity
c) Decreased length of the systemic circulatory route
d) Increased vasoconstriction of systemic arterioles
e) Increased red blood cell count
c) Decreased length of the systemic circulatory route
Which of the following characteristics of blood depends mostly on the ratio of
RBCs to plasma volume?
a) total blood volume
b) blood viscosity
c) venous return
d) clotting time
e) immunoglobulin profile
b) blood viscosity
Which of the following is NOT a contribution of the cardiovascular system to
other body systems?
a) Blood delivers clotting factors and WBCs that aid in hemostasis when skin
is damaged.
b) Blood delivers calcium and phosphate ions that are needed for building
bone extracellular matrix.
c) Blood carries carbon dioxide to body tissues and removes oxygen for use
by other organs.
d) Blood carries newly absorbed nutrients and water to the liver.
e) Blood circulates cells and chemicals that carry out immune functions.
c) Blood carries carbon dioxide to body tissues and removes oxygen for use by other
organs.
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The cardiovascular center is located
a) in the thoracic cavity.
b) in the cerebral cortex.
c) in the cerebellum.
d) in the medulla oblongata.
e) in the hypothalamus.
d) in the medulla oblongata.
All of the following aid in venous return of blood to heart EXCEPT
a) the skeletal muscle pump.
b) the respiratory pump.
c) blood viscosity.
d) venoconstriction
e) venous valves.
c) blood viscosity.
Which of the following would be a normal response of the cardiovascular
system to a decreased frequency of action potentials arising from the
baroreceptors?
a) Increased systemic vascular resistance
b) Increased parasympathetic stimulation
c) Decreased heart rate
d) Decreased stroke volume
e) Decreased cardiac output
a) Increased systemic vascular resistance
) Which of the following hormones would NOT stimulate changes that lead to
an increase in arterial blood pressure?
a) Atrial natriuretic peptide(ANP)
b) Antidiuretic hormone(ADH)
c) Aldosterone
d) Angiotensin
e) Epinephrine
a) Atrial natriuretic peptide(ANP)
When chemoreceptors in blood vessels detect high levels of carbon dioxide in
the blood, they stimulate all of the following changes EXCEPT
a) increased vasoconstriction of arterioles.
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b) increased blood pressure.
c) decreased respiratory rate.
d) increased sympathetic stimulation of arterioles and veins.
e) increased vasoconstriction of veins.
c) decreased respiratory rate.
The myogenic response of smooth muscle results in
a) more forceful contractions when stretched.
b) more forceful contractions when relaxed
c) tetany.
d) relaxation of smooth muscle when stretched.
e) formation of new desmosomes.
a) more forceful contractions when stretched.
In which of the following types of blood vessels is blood pressure NOT
pulsing?
1. Arteries
2. Capillaries
3. Arterioles
4. Venules
a) 1 only
b) 2 only
c) 3 only
d) 4 only
e) Both 2 and 4
e) Both 2 and 4
Abnormal conditions such as atherosclerosis and patent ductus arteriosus
cause an large increase in the
a) blood colloid osmotic pressure.
b) central venous pressure.
c) pulse pressure.
d) venular hydrostatic pressure.
e) capillary hyrdostatic pressure.
c) pulse pressure.
This type of shock is due to decreased blood volume.
a) Hypovolemic