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Blood Group Compatibility Table

Type O: Universal Donor
Type AB: Universal Recipient

Diagrammatic Representation of Differences Between Artery, Vein, and Capillary

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Simplistic Diagram to Remember Double Circulation

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Frequently Tested Topics:

  • Blood vessels entering and leaving the heart

  • Circulation of blood in the heart

  • Heart sounds and reason for sound

  • Difference in structure of artery, vein, and capillary

  • Blood vessels that supply blood to the heart

  • Structure of RBCs, WBCs, types of WBCs

  • Pulse

  • Double circulation

Important Past Questions:

  • Name the following:

i) the compound formed when haemoglobin combines with carbon dioxide in the blood. (2019)

ii) the blood vessel which supplies blood to the liver. (2018)

iii) The vein that carries oxygenated blood. (2015)

iv) The phase of cardiac cycle in which the auricles contract. (2012)

v) the blood vessels that supply oxygenated blood to the heart muscles. (2011, 2012, 2017)

  • Give biological/ technical terms for the following:

i) squeezing out of the white blood cells from the capillaries into the surrounding tissues (2012, 2018)

ii) The relaxation phase of the heart. (2018)

iii) The vein which drains blood from the intestine to the liver. (2016)

iv) The sound produced when the atrio-ventricular valves close in the heart. (2015)

v) The process by which white blood cells engulf bacteria. (2015)

  • Choose the correct answer:

i) a muscular wall is absent in:

A] Capillary B] Venule C] Arteriole D] Vein     (2019)

ii) Pulse wave is mainly caused by the:

A] Systole of atria B] Diastole of atria C] Systole of left ventricle D] Systole of right ventricle    (2013)

  • ​Choose between the 2 options to answer the question specified in the brackets for the following:

Blood in the pulmonary artery or pulmonary vein (which one contains less oxyhaemoglobin?) 

(2018)

  • Given below are sets of five terms. In each group the first pair indicates the relationship between the 2 terms. Rewrite and complete the second pair on a similar basis.

Example: Oxygen : Inspiration : Carbon dioxide : Expiration

Foetus : Amnion : Heart :________

(2017)

  • Given below are sets of five terms each. Rewrite the terms in correct order in logical sequence.

Fibrin, Platelets, Thromboplastin, Fibrinogen, Thrombin.

(2017)

  • Differentiate between the following pairs on the basis of what is given in the brackets:

i) LUBB and DUPP (names of valves whose closure produce the sound)       (2016)

ii) RBC and WBC (shape)         (2015)

  • Oxygen combines with haemoglobin present in RBC and forms ___________.

(2015)

  • Give biological reasons for:

i) the left ventricle of the heart has a thicker wall than the right ventricle. (2017)

ii) a matured mammalian erythrocyte lacks nucleus and mitochondria. (2011)

iii) Carbon monoxide is highly dangerous when inhaled. (2014)

  • State the main functions of: lymphocytes in blood.

(2016)

  • Choose the odd one out from the following terms given and name the category to which the others belong:

Lumen, muscular tissue, connective tissue, pericardium

(2018)

DIAGRAM BASED QUESTIONS

The diagram given below represents a section of the human heart. Answer the question that follow:
i) Which parts of hearts are in the diastolic phase? Give a reason to support your answer.
ii) Label the parts numbered 1 and 2 in the diagram. What type of blood flows through them?
iii) What causes the heart sounds 'LUBB' and 'DUP'?
iv) Name the blood vessels that supply oxygenated blood to the heart muscles.
v) Draw neat labelled diagrams of a cross section of an artery and a vein.
(2017)

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The diagrams given below are cross sections of blood vessels.
i) Identify the blood vessels A, B and C.

ii) Name the parts labelled 1 to 3.
iii) Name the type of blood that flows through A.
iv) Mention one structural difference between A and B.
v) In which of the above vessels does exchange of gases actually take place?

(2015)

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The diagram below represents the human heart in one phase of its functions. Study the diagram and answer the questions that follow.

i)  Name the phase.

ii) Which part of the heart is contracting in this phase? Give a reason to support your answer.

iii) Name the parts labelled 1 to 4.

iv) What type of blood flows through '2'?

v) State the function of the part numbered '5'.

vi) Name the membrane that covers the heart. 

(2015)

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The diagram below represents the simplified pathway of the circulation of blood. Study the same and answer the following questions.
i) Name the blood vessels labelled 1 and 2.
ii) State the function of blood vessels labelled 5 and 8.
iii) What is the importance of the blood vessel labelled 6?
iv) Which blood vessel will contain a high amount of glucose and amino acids after a meal ?
v) Draw a diagram of the different blood cells as seen in an amino acids smear of human blood. 

(2014)

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The diagram given below represents the human heart in one phase of its functional activities. Study the same and answer the questions that follow :

i) Name the phase.  

ii) Label the parts 1, 2, and 3 

iii) Which part of the heart is contracting in this phase? Give a reason to support your answer. 

iv) Draw well labelled diagrams of part 1 and 2 to show the structural differences between them.

(2013)

The diagrams given below show the cross section of two kinds of blood vessels:

i) Identify the blood vessels A and B. In each case give a reason to support your answer.
ii) Name the parts numbered 1 and 2.
iii) When are the sounds “LUBB” and “DUPP” produced during a heartbeat?
iv) Name the blood vessel that
(a) begins and ends in capillaries.
(b) supplies blood to the walls of the heart.

(2012)

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The diagram below represents circulation in the human body. Answer the question that follow:
i) Name the blood vessels labelled 1, 3, 6, and 7. 
ii) Name the blood vessel that supplies the walls of the heart with oxygen. 
iii) Draw a neat labelled diagram of the blood vessel numbered ‘2’ as seen in a cross section. 
iv) Mention one structural difference between blood vessels numbered 4 and 5.
(2011)

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Given below is a diagram of a human blood smear.  Study the diagram and answer the questions that follow :
i) Name the components numbered '1' to '4'. 
ii) Mention two structural differences between the parts '1' and '2'.
iii) Name the soluble protein found in part '4' which forms insoluble threads during clotting of blood.
iv) What is the average lifespan of the component numbered '1' ? 
v) Component numbered '1' do not have certain organelles but are very efficient in their function. Explain.
(2018)

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Study the following diagram carefully and then answer the questions that follow:
i) Name the cell labelled 1.
ii) Identify the phenomenon occurring in A.
iii) Mention two structural differences between 1 and 2.
iv) Name the process occurring in B and C and state the importance of this process in the human body.
(2011)

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