Systemic heart refers to (a) the heart that contracts under stimulation from nervous system (b) left auricle and left ventricle in higher vertebrates (c) entire heart in lower vertebrates (d) the two ventricles together in humans.

Systemic heart refers to
(a) the heart that contracts under stimulation from
nervous system
(b) left auricle and left ventricle in higher vertebrates
(c) entire heart in lower vertebrates
(d) the two ventricles together in humans.
by

1 Answer

Answer :

(b) left auricle and left ventricle in higher vertebrates
by

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Impulses from the pace -maker cause the (a) ventricles to contract (b) auricles to contract (c) both the ventricle and auricle to contract (d) heart to relax

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Last Answer : Ans:(b)

The chamber of the mammalian heart from which deoxygenated blood is sent for oxygenation is (a) right auricle (b) right ventricle (c) left auricle (d) left ventricle

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Tricuspid valve is found in between (a) sinus venosus and right auricle (b) right auricle and right ventricle (c) left ventricle and left auricle (d) ventricle and aorta.

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Last Answer : b) right auricle and right ventricle

When the Left Ventricle in the human heart contracts, the blood moves to the - (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

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Last Answer : (3) Aorta Explanation: As the left ventricle contracts, the oxygenated blood is pumped into the main artery of the body — the aorta. To get to the aorta, blood passes through the aortic semilunar valve, which serves to keep blood flowing from the aorta back into the left ventricle.

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Bundle of His is a network of (a) muscle fibres distributed throughout the heart walls (b) muscle fibres found only in the ventricle wall (c) nerve fibres distributed in ventricles (d) nerve fibres found throughout the heart.

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The chamber of the heart that receives deoxygenated blood from the various parts of the body is (a) Sinus venous (b) Left auricle (c) Right auricle (d) Right venous

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Why the left ventricle has the strongest wall in human heart?

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Central venous pressure is measured in which of the following heart chambers? a) Right atrium The pressure in the right atrium is used to assess right ventricular function and venous blood return to the heart. b) Left atrium The left atrium receives oxygenated blood from the pulmonary circulation. c) Left ventricle The left ventricle receives oxygenated blood from the left atrium. d) Right ventricle The right ventricle is not the central collecting chamber of venous circulation.

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Blood vessel which brings oxygenated blood to left auricle is

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Systemic heart refers to

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The nervous system of vertebrates is derived from :

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True or false? The two chambers at the bottom of your heart are called ventricles.

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In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart? (a) S - start of systole (b) T - end of diastole (c) P - depolarisation of the atria (d) R - repolarisation of ventricles

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What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL ? (a) 125 beats per minute (b) 50 beats per minute (c) 75 beats per minute (d) 100 beats per minute

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Last Answer : (d) 100 beats per minute

(a) Draw a sectional view of the human heart and label on it – Aorta, Right ventricle and Pulmonary veins. (b) State the functions of the following components of transport system: (i) Blood (ii) Lymph -Biology

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An increase in the number of new cells in an organ or tissue that is reversible when the stimulus for production of new cells is removed is termed a) Hyperplasia. Hyperplasia occurs as cells multiply and are subjected to increased stimulation resulting in tissue mass enlargement. b) Hypertrophy. Hypertrophy is an increase in size and bulk of tissue that does not result from an increased number of cells. c) Atrophy. Atrophy refers to reduction in size of a structure after having come to full maturity. d) Neoplasia. With neoplasia, the increase in the number of new cells in an organ or tissue continues after the stimulus is removed.

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Last Answer : a) Hyperplasia. Hyperplasia occurs as cells multiply and are subjected to increased stimulation resulting in tissue mass enlargement.

What is the diastolic flow of blood from the aorta into left ventricle called?

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The wall of the left ventricle is much thicker than that of right ventricle because (a) it accommodates more blood (b) it receives oxygenated blood with tremendous force from various parts of the body (c) it pumps oxygenated blood with tremendous force to various parts of the body (d) it is engineered to carry blood with a high quantum of oxygen and nutrients Questions

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Last Answer : Ans:(c)

What is the function of the left ventricle? Where does the blood go after leaving the left ventricle?

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Last Answer : The function of the left ventricle is to get blood from the left atrium and to pump the blood under high pressure to the systemic circulation. After leaving the left ventricle the blood enters the aorta, the largest artery of the body. The Circulatory System - Image Diversity: aorta

What is the correct route for blood flow in a human? Left atrium " Left ventricle " Lungs " Right ventricle " Right atrium Left atrium " Left ventricle " Right ventricle " Right atrium " Lungs (c) Right atrium " Right ventricle " Left ventricle " Left atrium " Lungs (d) Right atrium " Right ventricle " Lungs " Left atrium " Left ventricle

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Last Answer : (d) Right atrium " Right ventricle " Lungs " Left atrium " Left ventricle

Blood pressure in the mammalian aorta is maximum during (a) systole of the left ventricle (b) diastole of the right atrium (c) systole of the left atrium (d) diastole of the right ventricle

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Last Answer : (a) systole of the left ventricle

Match the items given in column I with those in column II and select the correct option given below. Column I Column II A. Tricuspid valve (i) Between left atrium and left ventricle B. Bicuspid valve (ii) Between right ventricle and pulmonary artery C. Semilunar valve (iii) Between right atrium and right ventricle A B C (a) (iii) (i) (ii) (b) (i) (iii) (ii) (c) (i) (ii) (iii) (d) (ii) (i) (iii)

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Last Answer : (a) (iii) (i) (ii)

Which of the following ECG waveforms characterizes conduction of an electrical impulse through the left ventricle? a) QRS complex The QRS complex represents ventricular depolarization b) P wave The P wave is an ECG characteristic reflecting conduction of an electrical impulse through the atria. c) PR interval The PR interval is a component of an ECG tracing reflecting conduction of an electrical impulse through the AV node. d) QT interval The QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.

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Last Answer : a) QRS complex The QRS complex represents ventricular depolarization