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In which week afer conception, the heart rate is maximum ?

4th week
8th week
12th week
16th week

EHR.jpg

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The human heart and its disorders are the subjects under

Neurology
Sociology
Cardiology
Terology

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What is the aprox. mass of heart ?

87 to 115 grams
105 to 140 grams
180 to 220 grams
280 to 330 grams

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How many valves does a human heart has ?

3
4
5
6

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These are tricuspid valve, the mitral valve, the aortic valve, and the pulmonary valve.

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Which of these is not a valve ?

Tricuspid
Mitral
Aortic
Purkinje

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These are tricuspid valve, the mitral valve, the aortic valve, and the pulmonary valve.

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Which of the following is a heart function

Metabolism
All
Pumping blood
Exchange oxygen

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The heart pumps blood through the network of arteries and veins called the cardiovascular system. The coronary arteries run along the surface of the heart and provide oxygen-rich blood to the heart muscle.

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Oxygenated blood is carried to the body organs by the

Arteries
Veins
Nerves
Valves

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Arteries carry oxygenated blood from the heart to the organs while the veins carry impure blood from the organs to the heart.

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The 'lub' 'dub' sound detected through the stethoscope is the sound of the

Blood rushing through the heart
Valves opening-closing
Electric impulses from the SA nod
None

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The "lub dub" is the sound of valves opening-closingafter blood has passed through.

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What is infarction ?

Heart attack
A tool used to restart the heart
Death of cells
Oxygen Transfuse

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If cell death occurs, it's called infarction. Since a heart attack is cell death of heart muscle, it's called a myocardial infarction.

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If the coronary artery is blocked, it causes

Autism
Alzheimer
Stroke
Angina

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Narrowed coronary arteries cause predictable chest pain or discomfort with exertion. The blockages prevent the heart from receiving the extra oxygen needed for strenuous activity. Symptoms typically get better with rest.

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