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Body Fluids and Circulation · Question 40

NEET 2013 (Karnataka)MCQMedium📈 Topic in 12% papers+4−1
1

The figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part. [Figure]

  1. A - Artery-Thick walled and blood flows evenly
  2. C - Vein-Thin walled and blood flows in jerks/spurts
  3. D - Pulmonary vein-Takes oxygenated blood to heart, pO2 = 95 mmHg
  4. B - Capillary-Thin without muscle layer and wall two cell layers thick

Answer

(3) D - Pulmonary vein-Takes oxygenated blood to heart, pO2 = 95 mmHg

Solution

• A (artery) is thick walled, but blood flows in it in jerks/spurts ⇒ (1) wrong.

• C (vein) is thin walled, but blood flows in it evenly ⇒ (2) wrong.

• D is the pulmonary vein, which carries oxygenated blood from the lungs to the left atrium; as per NCERT, pO2 of oxygenated blood is 95 mmHg ⇒ (3) correct.

• B (capillary) has no muscle layer and its wall is only one cell layer thick (endothelium) ⇒ (4) wrong.

Answer: (3)

NEET 2013 (Karnataka)

Keep practising — Body Fluids and Circulation

2

The figure shows a human blood cell. Identify it and give its characteristics. [Figure]

  1. Blood cell Monocyte, Characteristics Life span of 3 days, produces antibodies
  2. Blood cell B-lymphocyte, Characteristics Forms about 20% of blood cells involved in immune response
  3. Blood cell Basophil, Characteristics Secretes serotonin, inflammatory response
  4. Blood cell Neutrophil, Characteristics Most abundant blood cells, phagocytic
NEET 2013 (Karnataka)
3

Which one of the following human organs is often called the "graveyard" of RBCs?

  1. Gall bladder
  2. Kidney
  3. Spleen
  4. Liver
AIPMT 2012 (Mains)
4

A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?

  1. Blood group B
  2. Blood group AB
  3. Blood group O
  4. Blood group A
AIPMT 2012 (Prelims)
5

Given below is the ECG of a normal human. Which one of its components is correctly interpreted below? [figure]

  1. Complex QRS - one complete pulse
  2. Peak T - initiation of total cardiac contraction
  3. Peak P and peak R together - systolic and diastolic blood pressures
  4. Peak P - initiation of left atrial contraction only
AIPMT 2011 (Mains)
6

'Bundle of His' is a part of which one of the following organs in humans?

  1. Brain
  2. Heart
  3. Kidney
  4. Pancreas
AIPMT 2011 (Prelims)
7

Which one of the following plasma proteins is involved in the coagulation of blood?

  1. Albumin
  2. Serum amylase
  3. Globulin
  4. Fibrinogen
AIPMT 2011 (Prelims)
8

Arteries are best defined as the vessels which

  1. supply oxygenated blood to the different organs
  2. carry blood away from the heart to different organs
  3. break up into capillaries which reunite to form a vein
  4. carry blood from one visceral organ to another visceral organ.
AIPMT 2011 (Prelims)
9

Which one of the following statements is correct regarding blood pressure?

  1. 130/90 mm Hg is considered high and requires treatment.
  2. 100/55 mm Hg is considered an ideal blood pressure.
  3. 105/50 mm Hg makes one very active.
  4. 190/110 mm Hg may harm vital organs like brain and kidney.
AIPMT 2011 (Prelims)
10

A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His friend who has valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend?

  1. Type B
  2. Type AB
  3. Type O
  4. Type A
AIPMT 2011 (Prelims)
11

Fastest distribution of some injectable material/medicine and with no risk of any kind can be achieved by injecting it into the

  1. muscles
  2. arteries
  3. veins
  4. lymph vessels
AIPMT 2010 (Mains)

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