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Body Fluids and Circulation · Question 61

AIPMT 2007MCQEasy📈 Topic in 50% papers+4−1
1

A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?

  1. Blood serum
  2. Sample from the thoracic duct of lymphatic system
  3. Whole blood from pulmonary vein
  4. Blood plasma

Answer

(1) Blood serum

Solution

As per NCERT, plasma without the clotting factors is called serum.

Coagulation needs fibrinogen, which is converted into fibrin threads by thrombin.

Whole blood, plasma and lymph (from the thoracic duct) all contain fibrinogen and clotting factors, so they can clot.

∴ Blood serum, which lacks fibrinogen and clotting factors, will not coagulate.

Answer: (1)

AIPMT 2007

Keep practising — Body Fluids and Circulation

2

If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?

  1. Serum albumins
  2. Fibrinogen in the plasma
  3. Serum globulins
  4. Haemocytes
AIPMT 2007
3

Examination of blood of a person suspected of having anaemia shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms?

  1. Iron compounds
  2. Thiamine
  3. Folic acid and cobalamin
  4. Riboflavin
Out of syllabusAIPMT 2006
4

You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of these will you not use for the purpose?

  1. Test tube containing calcium bicarbonate
  2. Chilled test tube
  3. Test tube containing heparin
  4. Test tube containing sodium oxalate.
AIPMT 2004
5

Systemic heart refers to

  1. the heart that contracts under stimulation from nervous system
  2. left auricle and left ventricle in higher vertebrates
  3. entire heart in lower vertebrates
  4. the two ventricles together in humans.
AIPMT 2003
6

The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of

  1. atrioventricular bundle
  2. Purkinje system
  3. sino-atrial node
  4. atrioventricular node.
AIPMT 2003
7

Bundle of His is a network of

  1. muscle fibres distributed throughout the heart walls
  2. muscle fibres found only in the ventricle wall
  3. nerve fibres distributed in ventricles
  4. nerve fibres found throughout the heart.
AIPMT 2003
8

In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be

  1. B
  2. O
  3. AB
  4. A.
AIPMT 2003
9

Impulse of heart beat originates from

  1. SA node
  2. AV node
  3. vagus nerve
  4. cardiac nerve
AIPMT 2002
10

Which of the following statements is true for lymph?

  1. WBC + serum
  2. Blood - RBCs and some proteins
  3. RBCs + WBCs + plasma
  4. RBCs + proteins + platelets
AIPMT 2002
11

Continuous bleeding from an injured part of body is due to deficiency of

  1. vitamin A
  2. vitamin B
  3. vitamin K
  4. vitamin E.
Out of syllabusAIPMT 2002

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