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Read the statements regarding the cardi...

Read the statements regarding the cardiac system and choose the right option
Human heart is an ectodermal derivative
Mitral valve guards the opening between the right atrium and left ventricle
SAN is located on the left upper corner of the right atrium
Stroke volume `xx` Heart rate = Cardiac output

A

A alone is correct

B

A and B alone are correct

C

B and C alone are correct

D

B and D above are correct

Text Solution

Verified by Experts

The correct Answer is:
D
The amount of blood flowing from the heart over a given period of time is known as the cardiac output. It depends upon the heart rate and stroke volume. Cardiac output= stroke volume `xx`heat rate
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Which of the following statements (s) regarding the cardiac system is/are correct ? (i) Human heart is an ectodermal derivative (ii) Mitral valve guards the opening between the right atrium and left ventricle (iii) SAN is located on the left upper corner of the right atrium (iv) Stroke volume xx Heart rate = Cardiac output.

Choose the correct option. (i) Human heart is ectodermal in origin. (ii) Mitral valve guards the opening between right atrium and left ventricle. (iii) SAN is located on the left upper corner of right atrium (iv) Stroke volume xx heart rate = Cardiac output

The opening between the right atrium and the right ventricle is guarded by which valve ?

Trilobed valve present between right atrium and ventricle in mammalian heart in

The pathway of blood from left ventricle of the heart to the right atrium is

In order for the blood to flow right atrium to left ventricle in mammalian heart, it must flow through

Read the following statements about the internal structure of the human heart. I. Humans have a an auto - excitable , chambered , muscular and myogenic heat. II. The heart is mesodermal in origin and is present symmetrically between two lungs in the thoracic cavity. III. The opening between the right atrium and left ventricle is guarded by a tricuspid valve. IV. Only th sino - atrial node of the heart has hte ability to generate action potentials without any external stimuli. How many statement/s is/ are incorrect from the above ?

Assertion : The opening between the right atrium and the right ventricle is guarded by a bicuspid or mitral valve. Reason : The valves in the heart allows the flow of blood only in one direction.

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