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Body Fluids and Circulation · Question 21

NEET (UG) 2019MatchingEasy📈 Topic in 25% papers+4−1
1

Match the Column-I with Column-II : Select the correct option.

  1. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
  2. (a)-(iv), (b)-(i), (c)-(ii), (d)-(v)
  3. (a)-(ii), (b)-(i), (c)-(v), (d)-(iii)
  4. (a)-(ii), (b)-(iii), (c)-(v), (d)-(iv)

Answer

(1) (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)

Solution

As per NCERT, in a standard ECG:

(a) The P-wave represents the electrical excitation (depolarisation) of the atria ⇒ (iv)

(b) The QRS complex represents the depolarisation of the ventricles ⇒ (i)

(c) The T-wave represents the return of the ventricles from excited to normal state (repolarisation) ⇒ (ii)

(d) A reduction in the size of the T-wave indicates insufficient blood (oxygen) supply to the heart muscle, i.e., coronary ischaemia ⇒ (iii)

∴ (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)

Answer: (1)

NEET (UG) 2019

Keep practising — Body Fluids and Circulation

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?

  1. 100 beats per minute
  2. 125 beats per minute
  3. 50 beats per minute
  4. 75 beats per minute
NEET (UG) 2019
3

Match the items given in column I with those in column II and select the correct option given below.

  1. (a)-(i), (b)-(ii), (c)-(iii)
  2. (a)-(iii), (b)-(i), (c)-(ii)
  3. (a)-(i), (b)-(iii), (c)-(ii)
  4. (a)-(ii), (b)-(i), (c)-(iii)
NEET 2018
4

Match the items given in column I with those in column II and select the correct option given below.

  1. (a)-(i), (b)-(iii), (c)-(ii)
  2. (a)-(iii), (b)-(ii), (c)-(i)
  3. (a)-(ii), (b)-(iii), (c)-(i)
  4. (a)-(i), (b)-(ii), (c)-(iii)
NEET 2018
5

Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?

  1. A only
  2. A, C and D only
  3. B and C only
  4. D only
NEET 2017
6

The hepatic portal vein drains blood to liver from

  1. stomach
  2. kidneys
  3. intestine
  4. heart.
NEET 2017
7

Blood pressure in the pulmonary artery is

  1. more than that in the pulmonary vein
  2. less than that in the venae cavae
  3. same as that in the aorta
  4. more than that in the carotid.
NEET 2016 (Phase 1)
8

Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.

  1. Erythrocytes
  2. Leucocytes
  3. Neutrophils
  4. Thrombocytes
NEET 2016 (Phase 2)
9

Serum differs from blood in

  1. lacking globulins
  2. lacking albumins
  3. lacking clotting factors
  4. lacking antibodies.
NEET 2016 (Phase 2)
10

Which one of the following animals has two separate circulatory pathways?

  1. Whale
  2. Shark
  3. Frog
  4. Lizard
AIPMT 2015
11

Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when

  1. AV node receives signal from SA node
  2. AV valves open up
  3. Ventricular walls vibrate due to gushing in of blood from atria
  4. Semilunar valves close down after the blood flows into vessels from ventricles.
AIPMT 2015

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