CV Anatomy QuizDr Ella Kim

Dr Pip Green

Q1

The location of the heart is correctly described as

A) lateral to the lungs.

B) medial to the sternum.

C) superior to the diaphragm.

D) posterior to the spinal column.

Q2

The apex of the heart

A) is part of the left ventricle wall.

B) points inferiorly and laterally.

C) is at the approximate level of the 5th

intercostal space.

D) All of the above are correct concerning the

apex of the heart.

Q3

In normal individuals, about 2/3 of the total

mass of the heart is located

A) above the aortic arch

B) on the right side of the thoracic cavity

C) on the left side of the thoracic cavity

D) in the right ventricle

Q4

A needle being inserted into the heart would travel

through the layers of the heart wall and coverings in

which order, beginning on the outside?

A) fibrous pericardium, parietal pericardium, visceral

pericardium, myocardium, endocardium

B) parietal pericardium, fibrous pericardium, visceral

pericardium, myocardium, endocardium

C) endocardium, myocardium, fibrous pericardium,

parietal pericardium, visceral pericardium

D) visceral pericardium, parietal pericardium, fibrous

pericardium, endocardium, myocardium

Pericardium

Fibrous pericardium tough, loose fitting

Serous pericardium 2 layers, few drops of

pericardial fluid between layers

Parietal layer

Visceral layer (epicardium)

Structure of heart

Epicardium

Myocardium contractile cardiac muscle cells

Endocardium endothelial tissue, form trabeculae

and valves

Q5

What is located in the pericardial cavity?

A) the heart

B) the fibrous pericardium

C) the mediastinum

D) a small amount of serous fluid

Q6

The pericardial cavity is between the

A) fibrous pericardium and parietal pericardium

B) left atrium and left ventricle

C) visceral pericardium and parietal pericardium

D) endocardium and myocardium

Q7

The function of the pericardial fluid is to

A) reduce friction between the pericardial

membranes.

B) lubricate the heart valves.

C) replace any blood that is lost.

D) provide oxygen and nutrients to the

endocardium.

Q8

The visceral pericardium is also called the

A) endocardium.

B) epicardium.

C) myocardium.

D) mediastinum.

E

F D

H

C

B

G

A

Q9

The coronary sulcus is a groove on the outside of

the heart that marks the division between the

A) left and right atria

B) left and right ventricles

C) atria and ventricles

D) aorta and pulmonary trunk

Q10

The anterior and posterior interventricular sulci

mark the position of which internal heart

structure?

A) bicuspid and tricuspid valves

B) semilunar valves

C) fossa ovalis

D) interventricular septum

Q11

The chordae tendineae

A) attach the semilunar valves directly to the heart wall

B) prevent the atrioventricular valve cusps from prolapsing

into the atria during ventricular systole

C) open the atrioventricular valves during ventricular

systole

D) attach the heart to the pericardium

Q12

The heart valves

A) contract to pump blood through the heart.

B) separate the left and right sides of the heart.

C) prevent blood from flowing backward through

the heart.

D) cause the heart sound when they open.

Q13

Which of the following vessels is a branch of the

left coronary artery?

A) left posterior ascending artery

B) circumflex artery

C) posterior interventricular artery

D) left subclavian artery

Q14

A blood clot in the circumflex artery would cause a

myocardial infarction in part of the

A) walls of the left atrium and posterior left ventricle.

B) anterior walls of the left and right ventricles, and the

interventricular septum.

C) posterior walls of the left and right ventricles.

D) lateral walls of the right atrium and right ventricle.

Q15

All cardiac veins empty into the ______, which

then empties into the ______.

A) coronary sinus; left atrium

B) coronary sinus; right atrium

C) great cardiac vein; right atrium

D) great cardiac vein; left atrium

Q16

The right ventricle of the heart acts as a pump for

the

A) pulmonary circulation.

B) systemic circulation.

C) coronary circulation.

D) hepatic portal circulation.

Q17

The coronary sinus is a(n) ______ located in the

________.

A) vein; posterior atrioventricular sulcus

B) vein; posterior interventricular sulcus

C) artery; anterior atrioventricular sulcus

D) artery; interatrial septum

Q18

A point where two arteries connect and combine

their blood flow is called a(n)

A) anastomosis.

B) infarction.

C) divergence.

D) aneurysm.

Q19

In which choice are the components of the

cardiac conduction system listed in the correct

sequence?

A) SA node, AV bundle, AV node, Purkinje fibers

B) SA node, AV node, AV bundle, Purkinje fibers

C) AV node, AV bundle, SA node, Purkinje fibers

D) AV node, SA node, Purkinje fibers, AV bundle

Q20

Damage to cells of the AV bundle would prevent

the cardiac impulse from reaching the

A) SA node

B) atria

C) AV node

D) ventricles