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AP > Heart > Flashcards

Heart Flashcards

1
Q

What makes up the myocardium tissue

A

Muscle tissue

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2
Q

6) The Myocardium is made up of:
a) Connective tissue
b) Squamous epithelial tissue
c) Muscle tissue
d) None of the above

A

C. Muscle tissue

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3
Q

How many chambers are in the heart

A

4

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4
Q

How many chambers are there in the internal structure of the heart?
a) 1
b) 2
c) 4
d) 5

A

C. 4 chambers

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5
Q

Which of the following sequence occurs during one cardiac cycle?
a) Heart rests, Electrical Impulse travels across the atria, Atria contract pumping
blood out, Impulse travels down the septum and up the purkinje fibres,
Ventricles contract pumping blood out into the aorta
b) Heart rests, Electrical Impulse travels across the ventricles, Ventricles
contract pumping blood out into the aorta, Impulse travels up the septum and
up the purkinje fibres, Electrical Impulse travels across the atria, Atria contract
pumping blood out

A

A. Heart rests, Electrical Impulse travels across the atria, Atria contract pumping
blood out, Impulse travels down the septum and up the purkinje fibres,
Ventricles contract pumping blood out into the aorta

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6
Q

What events occur in the cardiac cycle

A

Heart rests, Electrical Impulse travels across the atria, Atria contract pumping
blood out, Impulse travels down the septum and up the purkinje fibres,
Ventricles contract pumping blood out into the aorta

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7
Q

How long does the cardiac cycle last

A

0.8 seconds

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8
Q

The tricuspid valve is located between:
a) Left atrium and left ventricle
b) Right atrium and pulmonary artery
c) Right atrium & ventricle
d) Left atrium and aorta

A

C. Right atrium and ventricle

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9
Q

Where is the tricuspid valve located

A

right atrium and right ventricle

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10
Q

Where is the mitral valve located

A

Left atrium and left ventricle

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11
Q

The mitral valve is located between:
a) The left ventricle and the Aorta
b) The left atrium & left ventricle
c) The left atrium & ventricle
d) The right atrium and right ventricle

A

B. The left atrium and left ventricle

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12
Q

One complete cardiac cycle at rest lasts for
a) 0.6 seconds
b) 0.4 seconds
c) 0.8 seconds
d) 0.3 seconds

A

C. 0.8 seconds

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13
Q

Right coronary artery consists of:
a) Interventricular artery and circumflex artery
b) Marginal artery and circumflex artery
c) Marginal artery and posterior interventricular artery
d) Circumflex artery and the interventricular artery

A

C. Marginal artery and posterior interventricular artery

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14
Q

What does the right coronary artery consist of

A

Marginal artery and posterior interventricular artery

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15
Q

What does the left coronary artery consist of

A

Circumflex artery and anterior interventricular artery

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16
Q

Left coronary artery consists of:
a) Marginal artery and posterior interventricular artery
b) Circumflex artery and anterior interventricular artery
c) Circumflex artery and the marginal artery
d) Marginal artery and posterior interventricular artery

A

B . Circumflex artery and anterior interventricular artery

17
Q

14) Cardiac Conduction System is composed of
a) Sinoatrial (SA) node, atrioventricular (AV) node
b) Sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular bundle
(bundle of His), right & left bundle branches and Purkinje fibres
c) Atrioventricular (AV) node, atrioventricular bundle (bundle of His), right & left
bundle branches and Purkinje fibres and cardiac centre in the medulla
oblongata
d) Atrioventricular (AV) node, atrioventricular bundle (bundle of His), right & left
bundle branches

A

B. Sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular bundle
(bundle of His), right & left bundle branches and Purkinje fibres

18
Q

What is the cardiac conduction system composed of

A

Sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular bundle
(bundle of His), right & left bundle branches and Purkinje fibres

19
Q

What is the pacemaker of the heart called

A

SA Node(sinoatrial node)

20
Q

15) The pacemaker of the heart is known as
a) the ‘sinoatrial node’
b) the ‘atrioventricular node’

A

A. Sinoatrial node

21
Q

Which chamber of the heart has the thicker muscle layer?
13
a) Atria
b) Ventricles

A

B. Ventricles

22
Q

What chamber of the heart has thicker muscles

A

Ventricles

23
Q

The pericardium is the:
a) Outer layer of the heart
b) Middle layer of the heart
c) Inner layer of the heart
d) Is not a layer of the heart

A

A. Outer layer of the heart

24
Q

Which Chamber pumps blood to the lungs
a) Left atrium
b) Left ventricle
c) Right Atrium
d) Right Ventricle

A

D. Right ventricle

25
Q

Which chamber pumps blood to the lungs

A

Right ventricle

26
Q

Aortic valve is located between:
a) Left atrium and left ventricle
b) Right ventricle and aorta
c) Right atrium & ventricle
d) Left ventricle and aorta

A

D. Left ventricle and aorta

27
Q

Pulmonic valve is located between:
a) The left ventricle and the pulmonary artery
b) The left atrium & left ventricle
c) The left atrium & ventricle
d) The right ventricle and pulmonary artery

A

D. Right ventricle and pulmonary artery

28
Q

Pulmonic valve is located between:
a) The left ventricle and the pulmonary artery
b) The left atrium & left ventricle
c) The left atrium & ventricle
d) The right ventricle and pulmonary artery

A

D. The right ventricle and pulmonary artery

AP (10 decks)

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