[A&P II] EXAM #2 -- PRACTICE TEST WITH 100%
CORRECT ANSWERS 2026
1) Which of the following is false regarding blood vessels?
a. They are dynamic structures.
b. Part of the cardiovascular system.
c. Capillaries are the site of gas and nutrient exchange.
d. Arteries carry blood away from the heart.
e. All of the above are true. - correct answer-e. All of the above are true.
2) Which statement(s) is/are true regarding the 3 layers that make blood vessels?
a. The tunica media is the dynamic portion of the vessel that will dilate and constrict.
b. The tunica intera is composed of one layer of endothelium.
c. The tunica externa anchors the blood vessel through elastic and collagen fibers.
d. A and B
e. A, B, and C - correct answer-e. A, B, and C
3) Which is not matched up with a general characteristic?
a. Elastic Arteries-
> Their recoil from stretching during ventricular systole will help with blood movement.
b. Muscular Arteries->Contain a large amount of cardiac muscle in their tunica media.
c. Arterioles-> Have the largest influence on overall blood pressure.
d. Veins-> Have much thinner walls compared to arteries.
e. Metarteriole-> contains a precapillary sphincter that regulates blood flow into a capillary bed. -
correct answer-b. Muscular Arteries->Contain a large amount of cardiac muscle in their tunica media.
4) What is the benefit of forming an anastomosis?
a. Prevents collateral circulation.
b. Act as nozzles to regulate the amount of blood that enters capillaries.
c. Prevent backflow of blood in arteries.
,d. Allows for an alternative route of blood to an organ if a blood vessel becomes blocked.
e. Increase the rate of diffusion of nutrients and gases. - correct answer-
d. Allows for an alternative route of blood to an organ if a blood vessel becomes blocked.
5) Which is not matched up with a general characteristic?
a. Capillaries Composed of a single layer of endothelial cells with a basement membrane.
b. Continuous Capillaries Except at intercellular clefts, do not contain holes.
c. Fenestrated Capillaries Found in the kidneys, small intestine, and endocrine glands.
d. Sinusoid Capillaries Allow very large molecules to get through (e.g. RBCs).
e. All of the above are matched with their general characteristics. - correct answer-
e. All of the above are matched with their general characteristics.
6) Which of the following is true regarding veins?
a. Lack valves.
b. Are under greater pressures than arteries.
c. Have large amounts of muscle and elastic tissue.
d. Utilize skeletal and respiratory pumps to return blood back to the heart.
e. None of the abovez arez true.z -z correctz answer-
d.z Utilizez skeletalz andz respiratoryz pumpsz toz returnz bloodz backz toz thez heart.
7)z Whichz ofz thez followingz containsz thez greatestz percentagez ofz totalz bloodz volume?
a.z Heart.
b.z Pulmonaryz vessels.
c.z Systemicz arteriesz andz arterioles.
d.z Systemicz capillaries.
e.z Systemicz veinsz andz venules.z -z correctz answer-e.z Systemicz veinsz andz venules.
8)z Whatz wouldz causez az decreasez inz systemicz vascularz resistancez (SVR)?
a.z Polycythemia.
b.z Decreasedz bodyz size.
c.z Increasedz bloodz viscosity.
,z
d.z Increasedz totalz bloodz vesselz length.
e.z Vasoconstriction.z -z correctz answer-b.z Decreasedz bodyz size.
(lessenedz vesselz lengthz makesz itz easier)
9)z Whichz ofz thez followingz isz falsez regardingz thez receptorsz thatz detectz changesz inz bloodz compositionz an
d
pressure?
a.z Wez havez baroreceptorsz inz thez carotidz sinusz andz aorticz arch.
b.z Wez havez chemoreceptorsz inz thez carotidz arteriesz andz aorticz bodies.
c.z Chemoreceptorsz andz baroreceptorsz sendz informationz toz thez cardiovascularz centerz inz thez brain.
d.z Allz ofz thez abovez arez true.z -z correctz answer-d.z Allz ofz thez abovez arez true.
10)z Whatz endocrinez responsez wouldz notz increasez bloodz pressurez andz volume?
a.z Reninz releasez fromz thez kidney.
b.z Antidiureticz hormonez (ADH)z release.
c.z Atrialz Natureticz Peptidez (ANP)z release.
d.z Allz ofz thez abovez wouldz increasez bloodz pressurez andz volume.z -z correctz answer-
c.z Atrialz Natureticz Peptidez (ANP)z release.
(decreasesz pressurez andz volume)
11)z Whichz ofz thez followingz isz falsez regardingz az person'sz pulse?
a.z Itz isz thez resultz ofz expansionz andz recoilz ofz elasticz arteriesz afterz systole.
b.z Typicallyz thez samez asz thez heartz rate.
c.z Becomesz weakerz inz vesselsz farz fromz thez heart.
d.z Commonlyz checkedz inz thez commonz carotidz orz radialz artery.
e.z Allz ofz thez abovez arez true.z -z correctz answer-e.z Allz ofz thez abovez arez true.
12)z Shockz thatz isz causedz byz az decreasedz bloodz volumez is
a.z Vascularz shock
b.z Obstructivez shock
c.z Cardiogenicz shock
d.z Hypovolemicz shockz -z correctz answer-d.z Hypovolemicz shock
CORRECT ANSWERS 2026
1) Which of the following is false regarding blood vessels?
a. They are dynamic structures.
b. Part of the cardiovascular system.
c. Capillaries are the site of gas and nutrient exchange.
d. Arteries carry blood away from the heart.
e. All of the above are true. - correct answer-e. All of the above are true.
2) Which statement(s) is/are true regarding the 3 layers that make blood vessels?
a. The tunica media is the dynamic portion of the vessel that will dilate and constrict.
b. The tunica intera is composed of one layer of endothelium.
c. The tunica externa anchors the blood vessel through elastic and collagen fibers.
d. A and B
e. A, B, and C - correct answer-e. A, B, and C
3) Which is not matched up with a general characteristic?
a. Elastic Arteries-
> Their recoil from stretching during ventricular systole will help with blood movement.
b. Muscular Arteries->Contain a large amount of cardiac muscle in their tunica media.
c. Arterioles-> Have the largest influence on overall blood pressure.
d. Veins-> Have much thinner walls compared to arteries.
e. Metarteriole-> contains a precapillary sphincter that regulates blood flow into a capillary bed. -
correct answer-b. Muscular Arteries->Contain a large amount of cardiac muscle in their tunica media.
4) What is the benefit of forming an anastomosis?
a. Prevents collateral circulation.
b. Act as nozzles to regulate the amount of blood that enters capillaries.
c. Prevent backflow of blood in arteries.
,d. Allows for an alternative route of blood to an organ if a blood vessel becomes blocked.
e. Increase the rate of diffusion of nutrients and gases. - correct answer-
d. Allows for an alternative route of blood to an organ if a blood vessel becomes blocked.
5) Which is not matched up with a general characteristic?
a. Capillaries Composed of a single layer of endothelial cells with a basement membrane.
b. Continuous Capillaries Except at intercellular clefts, do not contain holes.
c. Fenestrated Capillaries Found in the kidneys, small intestine, and endocrine glands.
d. Sinusoid Capillaries Allow very large molecules to get through (e.g. RBCs).
e. All of the above are matched with their general characteristics. - correct answer-
e. All of the above are matched with their general characteristics.
6) Which of the following is true regarding veins?
a. Lack valves.
b. Are under greater pressures than arteries.
c. Have large amounts of muscle and elastic tissue.
d. Utilize skeletal and respiratory pumps to return blood back to the heart.
e. None of the abovez arez true.z -z correctz answer-
d.z Utilizez skeletalz andz respiratoryz pumpsz toz returnz bloodz backz toz thez heart.
7)z Whichz ofz thez followingz containsz thez greatestz percentagez ofz totalz bloodz volume?
a.z Heart.
b.z Pulmonaryz vessels.
c.z Systemicz arteriesz andz arterioles.
d.z Systemicz capillaries.
e.z Systemicz veinsz andz venules.z -z correctz answer-e.z Systemicz veinsz andz venules.
8)z Whatz wouldz causez az decreasez inz systemicz vascularz resistancez (SVR)?
a.z Polycythemia.
b.z Decreasedz bodyz size.
c.z Increasedz bloodz viscosity.
,z
d.z Increasedz totalz bloodz vesselz length.
e.z Vasoconstriction.z -z correctz answer-b.z Decreasedz bodyz size.
(lessenedz vesselz lengthz makesz itz easier)
9)z Whichz ofz thez followingz isz falsez regardingz thez receptorsz thatz detectz changesz inz bloodz compositionz an
d
pressure?
a.z Wez havez baroreceptorsz inz thez carotidz sinusz andz aorticz arch.
b.z Wez havez chemoreceptorsz inz thez carotidz arteriesz andz aorticz bodies.
c.z Chemoreceptorsz andz baroreceptorsz sendz informationz toz thez cardiovascularz centerz inz thez brain.
d.z Allz ofz thez abovez arez true.z -z correctz answer-d.z Allz ofz thez abovez arez true.
10)z Whatz endocrinez responsez wouldz notz increasez bloodz pressurez andz volume?
a.z Reninz releasez fromz thez kidney.
b.z Antidiureticz hormonez (ADH)z release.
c.z Atrialz Natureticz Peptidez (ANP)z release.
d.z Allz ofz thez abovez wouldz increasez bloodz pressurez andz volume.z -z correctz answer-
c.z Atrialz Natureticz Peptidez (ANP)z release.
(decreasesz pressurez andz volume)
11)z Whichz ofz thez followingz isz falsez regardingz az person'sz pulse?
a.z Itz isz thez resultz ofz expansionz andz recoilz ofz elasticz arteriesz afterz systole.
b.z Typicallyz thez samez asz thez heartz rate.
c.z Becomesz weakerz inz vesselsz farz fromz thez heart.
d.z Commonlyz checkedz inz thez commonz carotidz orz radialz artery.
e.z Allz ofz thez abovez arez true.z -z correctz answer-e.z Allz ofz thez abovez arez true.
12)z Shockz thatz isz causedz byz az decreasedz bloodz volumez is
a.z Vascularz shock
b.z Obstructivez shock
c.z Cardiogenicz shock
d.z Hypovolemicz shockz -z correctz answer-d.z Hypovolemicz shock
