[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 abovec arec true.c -c correctc answer-
d.c Utilizec skeletalc andc respiratoryc pumpsc toc returnc bloodc backc toc thec heart.
7)c Whichc ofc thec followingc containsc thec greatestc percentagec ofc totalc bloodc volume?
a.c Heart.
b.c Pulmonaryc vessels.
c.c Systemicc arteriesc andc arterioles.
d.c Systemicc capillaries.
e.c Systemicc veinsc andc venules.c -c correctc answer-e.c Systemicc veinsc andc venules.
8)c Whatc wouldc causec ac decreasec inc systemicc vascularc resistancec (SVR)?
a.c Polycythemia.
b.c Decreasedc bodyc size.
c.c Increasedc bloodc viscosity.
,c
d.c Increasedc totalc bloodc vesselc length.
e.c Vasoconstriction.c -c correctc answer-b.c Decreasedc bodyc size.
(lessenedc vesselc lengthc makesc itc easier)
9)c Whichc ofc thec followingc isc falsec regardingc thec receptorsc thatc detectc changesc inc bloodc compositionc an
d
pressure?
a.c Wec havec baroreceptorsc inc thec carotidc sinusc andc aorticc arch.
b.c Wec havec chemoreceptorsc inc thec carotidc arteriesc andc aorticc bodies.
c.c Chemoreceptorsc andc baroreceptorsc sendc informationc toc thec cardiovascularc centerc inc thec brain.
d.c Allc ofc thec abovec arec true.c -c correctc answer-d.c Allc ofc thec abovec arec true.
10)c Whatc endocrinec responsec wouldc notc increasec bloodc pressurec andc volume?
a.c Reninc releasec fromc thec kidney.
b.c Antidiureticc hormonec (ADH)c release.
c.c Atrialc Natureticc Peptidec (ANP)c release.
d.c Allc ofc thec abovec wouldc increasec bloodc pressurec andc volume.c -c correctc answer-
c.c Atrialc Natureticc Peptidec (ANP)c release.
(decreasesc pressurec andc volume)
11)c Whichc ofc thec followingc isc falsec regardingc ac person'sc pulse?
a.c Itc isc thec resultc ofc expansionc andc recoilc ofc elasticc arteriesc afterc systole.
b.c Typicallyc thec samec asc thec heartc rate.
c.c Becomesc weakerc inc vesselsc farc fromc thec heart.
d.c Commonlyc checkedc inc thec commonc carotidc orc radialc artery.
e.c Allc ofc thec abovec arec true.c -c correctc answer-e.c Allc ofc thec abovec arec true.
12)c Shockc thatc isc causedc byc ac decreasedc bloodc volumec is
a.c Vascularc shock
b.c Obstructivec shock
c.c Cardiogenicc shock
d.c Hypovolemicc shockc -c correctc answer-d.c Hypovolemicc 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 abovec arec true.c -c correctc answer-
d.c Utilizec skeletalc andc respiratoryc pumpsc toc returnc bloodc backc toc thec heart.
7)c Whichc ofc thec followingc containsc thec greatestc percentagec ofc totalc bloodc volume?
a.c Heart.
b.c Pulmonaryc vessels.
c.c Systemicc arteriesc andc arterioles.
d.c Systemicc capillaries.
e.c Systemicc veinsc andc venules.c -c correctc answer-e.c Systemicc veinsc andc venules.
8)c Whatc wouldc causec ac decreasec inc systemicc vascularc resistancec (SVR)?
a.c Polycythemia.
b.c Decreasedc bodyc size.
c.c Increasedc bloodc viscosity.
,c
d.c Increasedc totalc bloodc vesselc length.
e.c Vasoconstriction.c -c correctc answer-b.c Decreasedc bodyc size.
(lessenedc vesselc lengthc makesc itc easier)
9)c Whichc ofc thec followingc isc falsec regardingc thec receptorsc thatc detectc changesc inc bloodc compositionc an
d
pressure?
a.c Wec havec baroreceptorsc inc thec carotidc sinusc andc aorticc arch.
b.c Wec havec chemoreceptorsc inc thec carotidc arteriesc andc aorticc bodies.
c.c Chemoreceptorsc andc baroreceptorsc sendc informationc toc thec cardiovascularc centerc inc thec brain.
d.c Allc ofc thec abovec arec true.c -c correctc answer-d.c Allc ofc thec abovec arec true.
10)c Whatc endocrinec responsec wouldc notc increasec bloodc pressurec andc volume?
a.c Reninc releasec fromc thec kidney.
b.c Antidiureticc hormonec (ADH)c release.
c.c Atrialc Natureticc Peptidec (ANP)c release.
d.c Allc ofc thec abovec wouldc increasec bloodc pressurec andc volume.c -c correctc answer-
c.c Atrialc Natureticc Peptidec (ANP)c release.
(decreasesc pressurec andc volume)
11)c Whichc ofc thec followingc isc falsec regardingc ac person'sc pulse?
a.c Itc isc thec resultc ofc expansionc andc recoilc ofc elasticc arteriesc afterc systole.
b.c Typicallyc thec samec asc thec heartc rate.
c.c Becomesc weakerc inc vesselsc farc fromc thec heart.
d.c Commonlyc checkedc inc thec commonc carotidc orc radialc artery.
e.c Allc ofc thec abovec arec true.c -c correctc answer-e.c Allc ofc thec abovec arec true.
12)c Shockc thatc isc causedc byc ac decreasedc bloodc volumec is
a.c Vascularc shock
b.c Obstructivec shock
c.c Cardiogenicc shock
d.c Hypovolemicc shockc -c correctc answer-d.c Hypovolemicc shock
