Skip to content
doubtly
Sign up

Circulation: heart, cardiac cycle, ECG, double circulation, regulation, disorders

11 solved questions

Ask a question

Every question from past board papers on Circulation: heart, cardiac cycle, ECG, double circulation, regulation, disorders, newest paper first. Open any question for its full worked answer.

NEET UG 2025 question paper (official, booklet 45)

Full paper →

  1. Cardiac activities of the heart are regulated by :

    A. Nodal tissue

    B. A special neural centre in the medulla oblongata

    C. Adrenal medullary hormones

    D. Adrenal cortical hormones

    Choose the correct answer from the options given below :

    4 marks · See worked answer →

NEET UG 2024 question paper (official, booklet S6)

Full paper →

  1. Following are the stages of pathway for conduction of an action potential through the heart:

    A. AV bundle

    B. Purkinje fibres

    C. AV node

    D. Bundle branches

    E. SA node

    Choose the correct sequence of pathway from the options given below :

    4 marks · See worked answer →

  2. Match List I with List II :

    List I:

    A. P wave

    B. QRS complex

    C. T wave

    D. T-P gap

    List II:

    I. Heart muscles are electrically silent.

    II. Depolarisation of ventricles.

    III. Depolarisation of atria.

    IV. Repolarisation of ventricles.

    Choose the correct answer from the options given below :

    4 marks · See worked answer →

NEET UG 2023 question paper (official, booklet G6)

Full paper →

  1. Match List I with List II.

    List I: A. P - wave; B. Q - wave; C. QRS complex; D. T - wave

    List II: I. Beginning of systole; II. Repolarisation of ventricles; III. Depolarisation of atria; IV. Depolarisation of ventricles

    Choose the correct answer from the options given below:

    4 marks · See worked answer →

NEET UG 2022 question paper (official, booklet R6)

Full paper →

  1. Which one of the following statements is correct ?

    4 marks · See worked answer →

NEET UG 2020 question paper (official, booklet E1)

Full paper →

  1. The QRS complex in a standard ECG represents :

    4 marks · See worked answer →

NEET UG 2019 question paper (official, booklet P1)

Full paper →

  1. Match the Column - I with Column - II :

    Column - I | Column - II

    (a) P - wave | (i) Depolarisation of ventricles

    (b) QRS complex | (ii) Repolarisation of ventricles

    (c) T - wave | (iii) Coronary ischemia

    (d) Reduction in the size of T - wave | (iv) Depolarisation of atria

    | (v) Repolarisation of atria

    Select the correct option.

    4 marks · See worked answer →

  2. 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 ?

    4 marks · See worked answer →

NEET UG 2018 question paper (official, booklet EE)

Full paper →

  1. 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

    4 marks · See worked answer →

NEET UG 2017 question paper (official, booklet B)

Full paper →

  1. The hepatic portal vein drains blood to liver from :

    4 marks · See worked answer →

NEET UG 2016 Phase 1 question paper (official, booklet A)

Full paper →

  1. Blood pressure in the pulmonary artery is :

    4 marks · See worked answer →