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Biology : Human Circulatory System I


Given the QUESTION, identify the ANSWER

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Multiple choice

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1.

This statement is not true regarding hemoglobin :

  Percentage of hemoglobin in a healthy young man is 10/12 gm%.

  Hemoglobin carries oxygen.

   Hemoglobin deficiency leads to anemia.

   Hemoglobin is found in RBCs.

  Half-n-half Clue
 

2.

This statement is not true :

  Right ventricle pumps blood to various parts of the body.

  Valves are present between auricles and ventricles to prevent backflow of blood.

  Left side of the heart contains oxygenated blood.

  Pulmonary veins carry oxygenated blood.

 
Hint      

3.

This statement is true regarding platelets :

  Platelets contain an ill-defined nucleus.

  Platelets do not contain nucleus.

  Platelets contain many nuclei.

  Platelets contain single nucleus.

 
Hint      

4.

Identify the blood vessel 'A' in this diagram.
 heart

  Inferior vena cava

  Pulmonary artery

  Aorta

  Carotid artery

  Half-n-half Clue
 

5.

Which of these does not cause an increase in pulse rate?

  Fever

  Exercise

  Anxiety

  Sleep

 
Hint      

6.

Due to presence of _______ , back flow of blood is prevented in veins.

  Thick walls

  Arteries

  Septa

  Valves

  Half-n-half Clue
 

7.

Pulse rate in a healthy adult man is _______ beats / minute. (at rest)

  62-66

  72-78

  86-90

  90-94

  Half-n-half Clue
 


 
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