Test Bank
Cardiovascul &ystem
CAnatemy 4 phgsicogu)
5o Ques tions with answQYs 9 iationales
4. Which laye of the he0st wall is Composed of
Cardiac hTusco2
A. eodo cavcium
B. Myocarelium
c. epicardium
D. Pericardiu
Answer i B Myocardium
Hationale : The myocardiunm is the thick, muscuiaa
middle laycr Tesponsible for heart Contractians
The endlcavdium lines the chambers, and
the epicavdium is the cutor layer.
&. The mitral cbicuspid) valve rogulatos blocd leuw
botwecn ohich two chambers ?
A. igbt atrium and rigbt Verntaicte
B. loft atium ad left Varzicle
C. Right Ventricla
D. loft Venticle and aota
Angwer B. Lott atium and ott vanticle
, Rationale: The mitral vale preventS backflo uw fr
lhe oftoft vo rtaicle to the eft atrium.
3.Tbe Sincatriat cSA) node is locatod in the:
A. Intorveiculan &eptum
atium
B
Fiight
Latt ventricle
D Aortic arch
Ansur: B. Right atrium
Rationale: The RA node. the heart's atural
pacemaker, initiates electrical ioplses in the
right atrium.
44. Which vassol
Vessel deoxgenatad blccd to tse
Lungs?
A. Puloonang vein
B Aorta
c. Pulmona arterg
D Cortnarg arteg
D.
Answer : c. tulnorany ortony
Palional : The pulmnany arten cavix cecygunated
bloocl froIm the night venticle to the
lungs
Cardiovascul &ystem
CAnatemy 4 phgsicogu)
5o Ques tions with answQYs 9 iationales
4. Which laye of the he0st wall is Composed of
Cardiac hTusco2
A. eodo cavcium
B. Myocarelium
c. epicardium
D. Pericardiu
Answer i B Myocardium
Hationale : The myocardiunm is the thick, muscuiaa
middle laycr Tesponsible for heart Contractians
The endlcavdium lines the chambers, and
the epicavdium is the cutor layer.
&. The mitral cbicuspid) valve rogulatos blocd leuw
botwecn ohich two chambers ?
A. igbt atrium and rigbt Verntaicte
B. loft atium ad left Varzicle
C. Right Ventricla
D. loft Venticle and aota
Angwer B. Lott atium and ott vanticle
, Rationale: The mitral vale preventS backflo uw fr
lhe oftoft vo rtaicle to the eft atrium.
3.Tbe Sincatriat cSA) node is locatod in the:
A. Intorveiculan &eptum
atium
B
Fiight
Latt ventricle
D Aortic arch
Ansur: B. Right atrium
Rationale: The RA node. the heart's atural
pacemaker, initiates electrical ioplses in the
right atrium.
44. Which vassol
Vessel deoxgenatad blccd to tse
Lungs?
A. Puloonang vein
B Aorta
c. Pulmona arterg
D Cortnarg arteg
D.
Answer : c. tulnorany ortony
Palional : The pulmnany arten cavix cecygunated
bloocl froIm the night venticle to the
lungs
