Straighterline Anatomy and Physiology 2 BIO202
Topic 3: Cardiovascular System: Blood Vessels and
Circulation Quiz 2023
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BIO202_MH_V3
Topic 3: Cardiovascular System: Blood Vessels and Circulation
Started on Saturday, June 10, 2023, 11:49 AM
State Finished
Completed on Saturday, June 10, 2023, 12:11 PM
Time taken 22 mins 12 secs
Grade 38.00 out of 40.00 (95%)
Question 1
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When a person rises quickly from a lying position, there is
Select one:a. an increase in the frequency of action potentials produced by the baroreceptors.
b. an increase in vasomotor sympathetic stimulation to the blood vessels
causing vasoconstriction.
c. reflexive slowing of the heart.
d. an increase of parasympathetic stimulation of the heart.
e. a decrease in heart rate and stroke volume.
Question 2
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A thrombus in the second branch (not including coronary arteries) off of the aortic arch would affect
the flow of blood to the
Select one:
a. left side of the head and neck.
b. myocardium of the heart.
c. right side of the head and neck and right upper extremity.
d. left upper extremity.
e. right arm.
Question 3
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Blood is moved through the vascular system by
Select one:
a. valves in the wall of the blood vessels.
b. peristalsis caused by smooth muscle in the blood vessel walls.
c. pressure gradients created by the heart.d. osmotic pressure.
e. viscosity of the blood.
Question 4
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Which of the following is NOT a vasodilator substance produced in the extracellular fluid?
Select one:
a. ATP
b. lactic acid
c. ADP
d. carbon dioxide
Question 5
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A vein responsible for draining blood from the upper limb is the
Select one:
a. azygos vein.
b. portal vein.
c. cephalic vein.
d. peroneal vein.
e. common iliac vein.
Question 6
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As the popliteal vein ascends the leg, it becomes the
Select one:
a. peroneal vein.
b. saphenous vein.
c. common iliac vein.
d. femoral vein.
e. deep femoral vein.
Question 7
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As viscosity of the blood increases,
Select one:
a. the pressure required to force it to flow increases.
b. the pressure required to force it to flow decreases.
c. the fluid becomes thinner.
d. the hematocrit decreases.
e. the flow does not change.
Question 8
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Which of the following thoracic organs is supplied by a parietal branch of the thoracic aorta?Select one:
a. the heart
b. the lungs
c. the esophagus
d. the intercostal muscles
e. the thymus gland
Question 9
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Which of the following functions is associated with vessels that carry blood directly from arterioles
to veins without passing through capillaries?
Select one:
a. thermoregulation
b. nutrient supply to tissues
c. removal of metabolic waste products from tissues
d. oxygen supply to tissues
e. pH regulation
Question 10
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The largest fenestrae are seen in _____ capillaries while the smallest fenestrae are seen in
____ capillaries.
Select one:
a. fenestrated; sinusoidal
b. continuous; sinusoidal
c. continuous; fenestratedd. sinusoidal; continuous
e. sinusoidal; fenestrated
Question 11
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Which type of capillaries have large fenestrae and are found in endocrine glands?
Select one:
a. sinusoidal capillaries
b. continuous capillaries
c. fenestrated capillaries
d. sinusoids
Question 12
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Which kind of vessel provides a bypass for a capillary bed?
Select one:
a. sinusoid
b. portal vein
c. thoroughfare channel
d. vasa vasorum
e. metarteriole
Question 13
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The lining of a capillary is called the
Select one:
a. endothelium.
b. adventitia.
c. pericapillary layer.
d. thoroughfare layer.
e. tunica adventitia.
Question 14
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The exchange of nutrients and gases between the blood and tissue cells is the primary function of
Select one:
a. veins.
b. arteries.
c. arterioles.
d. capillaries.
e. venules.
Question 15
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What are vasa vasorum?Select one:
a. Blood vessels that connect primary and secondary capillary networks.
b. Structures within veins that keep blood flowing in one direction.
c. Connective tissue that surrounds large vessels.
d. Nerve plexuses surrounding the blood vessel.
e. Blood vessels that nourish the tunica adventitia and tunica media.
Question 16
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A force that causes the movement of fluid out of the capillary is
Select one:
a. blood pressure.
b. positive interstitial pressure.
c. blood colloid osmotic pressure.
d. critical closing pressure.
e. lymph pressure.
Question 17
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Arteriosclerosis results in decreased compliance, which in turn causes the pulse pressure to
Select one:
a. increase.
b. decrease.
c. increase, then decrease.
d. decrease, then increase.e. remain the same.
Question 18
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Case study:
Dale Fremore was back home after spending the day at a picnic where he ate some "spoiled" potato
salad. He developed severe abdominal pain and cramps, vomiting, and diarrhea. After about ten to
twelve episodes of water diarrhea, Mr. Fremore became so pale and weak he could hardly walk. His
wife took him to the hospital where he was diagnosed with severe dehydration
(decreased plasma volume). Mr. Fremore was suffering from shock.
The body has several mechanisms that can come into play to try to maintain blood pressure and
blood flow when a person goes into shock.
Compensatory shock is characterized by a narrowed pulse pressure. Which of the following blood
pressure readings is an example of a narrowed pulse pressure?
Select one:
a. 99/40
b. 70/20
c. 92/64
d. 82/40
e. 100/50
Question 19
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In response to circulatory shock,
Select one:a. the body decreases ADH secretion.
b. the renin-angiotensin mechanism is activated.
c. atrial natriuretic factor is released.
d. the vasomotor center is inhibited.
e. the baroreceptors and chemoreceptors are inactivated.
Question 20
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Art is 75. He has advanced arteriosclerosis. He is suffering from a number of manifestations, which
are consistent with his arteriosclerosis. Over the past several years he has developed hypertension
and he is beginning to show signs of renal failure. Which of the following are consistent with his
condition?
Select one:
a. increased resistance to blood flow
b. increased renin secretion from the kidneys
c. increased aldosterone secretion from the adrenal cortex
d. increased angiotensinogen formation
e. All of these choices is correct. [Show Less]