Cardiovascular System Practice Questions Guaranteed A+
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Cardiovascular System Practice Question Guarantee
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Cardiovascular System Practice Question Guarantee
Cardiovascular System Practice Questions Guaranteed A+
The muscles that contract to tension the chordae tendinae are called
a. Atrioventricular node
b. Atrial myocardium
c. Papillary muscles
d. Pectinate muscles ️C.
Blood flowing through the heart travels from the right atrium to the...
Cardiovascular System Practice Questions Guaranteed A+
The muscles that contract to tension the chordae tendinae are called
a. Atrioventricular node
b. Atrial myocardium
c. Papillary muscles
d. Pectinate muscles ✔️C.
Blood flowing through the heart travels from the right atrium to the right ventricle then up through the
semilunar valve into the ___________ on its way to the lungs
a. Aorta
b. Inferior vena cava
c. Pulmonary arteries
d. Pulmonary veins
e. Superior vena cava ✔️C.
Blood returning to the heart from the systemic circulation first enters the
a. Aorta
b. Left atrium
c. Left ventricle
d. Right atrium
e. Right ventricle ✔️D.
The differences in structure of the left ventricle compared to the right ventricle include
a. Contains less muscle mass
b. Develops less pressure
c. Muscle encircles the ventricle
d. Relatively thin walls
, e. Smaller in size ✔️C.
Which of the following components of the conducting system of the heart occurs earliest in normal
conduction pathway?
a. AV node
b. Bundle branches
c. Bundle of HIS
d. Moderator band
e. Purkinje fibers ✔️A.
The following are events during a single cardiac cycle
(i) Atria contract
(ii) AV valves close
(iii) AV valves open
(iv) Semilunar valves close
(v) Semilunar valves open
(vi) Ventricles contract
The sequence in which these events would occur during a cardiac cycle is
a. i, vi, ii, v, iv, iii
b. i, iii, vi, ii, v, iv
c. ii, i, iii, vi, iv, v
d. v, iv, i, ii, iii, vi
e. i, iii, ii, vi, v, iv ✔️B.
The P wave on an ECG tracing represents
a. Ventricular depolarisation
b. Atrial depolarisation
c. Ventricular repolarisation
d. Atrial repolarisation
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