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Read the following statements carefully (i) In fishes, the hea
Question

Read the following statements carefully
(i) In fishes, the heart pumps out deoxygenated blood which is oxygenated by the gills and supplied to the body part from where deoxygenated blood is returned to the heart
(ii) The openings of the right and the left ventricles into pulmonary artery and aorta respectively are provided with the mitral valves
(iii) The nodal musculature has the ability to generate action potential without any external stimuli, i,e., it is autoexcitable
(iv) The T-wave of ECG represent depolarisation of the ventricles.
Which of the above two statements are incorrect ?

A
(i) and (ii)

B
(ii) and (iv)

C
(i) and (ii)

D
(iii) and (iv)

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Read the following statements carefully
(i) In fishes, the heart pumps out deoxygenated blood which is oxygenated by the gills and supplied to the body part from where deoxygenated blood is returned to the heart
(ii) The openings of the right and the left ventricles into pulmonary artery and aorta respectively are provided with the mitral valves
(iii) The nodal musculature has the ability to generate action potential without any external stimuli, i,e., it is autoexcitable
(iv) The T-wave of ECG represent depolarisation of the ventricles.
Which of the above two statements are incorrect ?
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Text SolutionText solutionverified iconVerified

Answer: BSolution: The opening of the right and the left ventricles into the pulmonary artery and the aorta respectively are provided with semilunar valves. The T-wave of ECG represents repolarisation of ventricles.
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Question Text
Read the following statements carefully
(i) In fishes, the heart pumps out deoxygenated blood which is oxygenated by the gills and supplied to the body part from where deoxygenated blood is returned to the heart
(ii) The openings of the right and the left ventricles into pulmonary artery and aorta respectively are provided with the mitral valves
(iii) The nodal musculature has the ability to generate action potential without any external stimuli, i,e., it is autoexcitable
(iv) The T-wave of ECG represent depolarisation of the ventricles.
Which of the above two statements are incorrect ?
Answer TypeText solution:1
Upvotes150